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<h3>Trace Funct &nbsp;&nbsp;
<a href="javascript:void(0);" onClick="var e; if (parseInt(navigator.appVersion)>=4){e=event;}  if (parseInt(navigator.appVersion) >=2 && typeof(PopupMenu_Invoke) == 'function') PopupMenu_Invoke(e,'','Data Flow','../../../System_Overview/Analyzer_Model/Copy_of_Basic_Concepts.htm','Import/Export Data','Import_Export_Data.htm','Measured Quantities','../Measure/Trace_-_Measure.htm','Trace - Format','../Format/Trace_Format.htm','Trace Tyes','../../../System_Overview/Screen_Elements/Display_Elements.htm#Trace_Types');return false;" title="Related Topics"><img src="../../../ss_btn_related_topics.gif" border=0 height=20 width=96 alt="Related Topics"></a>


 </h3>

<p>The<span style="font-style: italic;"><I> Trace Funct(ions)</I></span> store 
 traces to the memory and perform mathematical operations on traces </p>

<p><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs1"> Refer to section <span style="font-style: italic;"><I><a 
 HREF="../../../System_Overview/Screen_Elements/Display_Elements.htm#Trace_Types"
	id=A5
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trace 
 Types</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('A5');
//--></script></I></span> 
 to learn more 
 about data traces, memory traces, and mathematical traces. </p>

<table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p><img src="Trace_Funct_key.gif" width="132px" height="127px" border="0" class="img_whs5"></td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class=Figure><img src="Trace_Funct_menu.gif" width="258px" height="436px" border="0" class="img_whs7"></td></tr>
</table>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#Data_to_Mem"
	id=a1
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Data 
 -&gt; Mem</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a1');
//--></script></I></span> 
 stores the active data trace as a memory trace. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#Math___Data_Mem"
	id=a2
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Math 
 = Data/Mem</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a2');
//--></script></I></span> 
 activates the mathematical mode where the data trace is divided by the 
 memory trace. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#Data_On"
	id=a7
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Show 
 Data</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a7');
//--></script></I></span> 
 shows or hides the active data trace. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="Trace_Funct.htm#Mem_On"
	id=A29
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Show 
 Mem</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('A29');
//--></script></I></span> 
 shows or hides the active memory trace. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#Data_to_New_Mem"
	id=a12
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">More 
 Mem</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a12');
//--></script></I></span> 
 opens a submenu to store traces as memory traces, show or hide traces. 
 </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="Trace_Funct.htm#Math___User_Def"
	id=A3
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Math 
 = User Def</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('A3');
//--></script></I></span> 
 activates the mathematical mode with a user-defined relation between traces. 
 </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="#User_Def_Math"
	id=a4
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">User 
 Def Math...</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a4');
//--></script></I></span> 
 opens a dialog to define a mathematical relation between traces. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 HREF="Transform.htm"
	id=A47
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Transform</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A47');
//--></script></I></span> 
 opens a submenu with the time domain transformation functions (with option 
 ZVAB-K2, <span style="font-style: italic;"><I>Time Domain).</I></span> </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 HREF="Trace_Eval.htm"
	id=A9
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trace 
 Statistics</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('A9');
//--></script></I></span> 
 opens a submenu to evaluate statistical and phase information of the trace. 
 </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 HREF="Trace_Eval.htm#Smoothing_On"
	id=A13
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Smoothing 
 On</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('A13');
//--></script></I></span> 
 activates the smoothing function for the active trace. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 HREF="Trace_Eval.htm#Smoothing_Aperture"
	id=A14
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Smoothing 
 Aperture...</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('A14');
//--></script></I></span> 
 defines how many measurement points are averaged to smooth the trace. 
 </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="Import_Export_Data.htm"
	id=a17
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Import/Export 
 Data</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a17');
//--></script></I></span> 
 stores the active trace to a file or loads a memory trace from a file. 
 &nbsp;</p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="Import_Export_Data.htm#Shift_Meas_Value"
	id=a18
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Shift 
 Response Value</I></span>...</a><script type="text/javascript"
														language=JavaScript1.2><!--
kadovInitEffects('a18');
//--></script> 
 opens a dialog to define a user-correction to the measured values. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="Import_Export_Data.htm#Shift_Stimulus_Value"
	id=a19
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Shift 
 Stimulus Value...</a><script type="text/javascript"
													language=JavaScript1.2><!--
kadovInitEffects('a19');
//--></script></I></span> 
 shifts a memory trace in horizontal direction. &nbsp;</p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="Import_Export_Data.htm#Max_Hold_On"
	id=A78
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Max 
 Hold On</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('A78');
//--></script> 
 e</I></span>nables or disables the max hold (peak hold) function for the active 
 trace. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="Import_Export_Data.htm#Restart_Hold"
	id=A79
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Restart 
 Hold</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('A79');
//--></script> 
 </I></span>restarts the max hold (peak hold) function for the active trace, 
 discarding the old maximum measurement results. </p></li>
</ul>

<p>Many of the functions of the <span style="font-style: italic;"><I>Trace 
 Funct </I></span>menu act on the <a href="../Trace_Select/Trace_Select.htm#Active_and_inactive_traces"
								id=a33
								style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">active 
 trace</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a33');
//--></script>. 
 Data traces and the associated memory traces share many of their properties; 
 see <a href="#Coupling"
		id=a22
		style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">coupling 
 of memory traces</a><script type="text/javascript"
												language=JavaScript1.2><!--
kadovInitEffects('a22');
//--></script>. 
 </p>


<hr align="center" width="50%" class="whs9">


<h4><a name=Data_to_Mem></a>Data -&gt; Mem </h4>

<p>Stores the current state of the <A href="javascript:void(0);" onclick="BSSCPopup('Trace_Funct_text0.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >active 
 trace</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a6');
//--></script> 
 as a memory trace. The memory trace is displayed in the active diagram 
 area with another color, and its properties are indicated in the <a HREF="../../../System_Overview/Screen_Elements/Display_Elements.htm#Trace_Settings"
	id=A16
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">trace 
 list</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('A16');
//--></script>: 
 </p>

<p class=Figure><img src="Mem_Trc.gif" width="255px" height="36px" border="0" class="img_whs10"></p>

<p>Memory traces are named <span style="font-style: italic;"><I>Mem&lt;n&gt;[&lt;Data_Trace&gt;]</I></span> 
 where &lt;n&gt; counts all data and memory traces in the active <A href="javascript:void(0);" onclick="BSSCPopup('Trace_Funct_text1.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >setup</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a21');
//--></script> 
 in chronological order, and &lt;Data_Trace&gt; is the name of the associated 
 data trace.<span style="font-style: italic;"> <I></I></span>Trace names can be 
 changed in the <span style="font-style: italic;"><I><a href="../Trace_Select/Trace_Select.htm#Trace_Manager"
													id=a20
													style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trace 
 Manager</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a20');
//--></script></I></span> 
 dialog.<span style="font-style: italic;"> <I></I></span></p>

<p>The exact function of <span style="font-style: italic;"><I>Data -&gt; Mem 
 </I></span>depends on the number of memory traces associated to the active 
 data trace:</p>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List>If no memory trace is associated 
 with the active trace, a new memory trace is generated.</p></li>
	
	<li class=kadov-p-CList><p class=List><span>If several memory traces 
 are associated with the active trace, the current measurement data overwrites 
 the last generated or changed memory trace. </span>&nbsp;</p></li>
</ul>

<p><img src="../../../small_images/tip.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs11">To store the current measurement data to a new memory 
 trace (without overwriting an existing memory trace), or select and overwrite 
 a particular memory trace, use <span style="font-style: italic;"><I><a href="#Data_to_New_Mem"
	id=a23
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">-&gt; 
 Mem</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a23');
//--></script></I></span>. 
 </p>

<p class=Dropdownline><a name=Coupling></a><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs1"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a25" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Coupling 
 of data and memory traces</a><script type="text/javascript"
															language=JavaScript1.2><!--
kadovInitEffects('a25');
//--></script></p>

<div class="droptext" id="POPUP243102526" style="display: 'none'; " x-ss-type="dropdown">
 <p>When a memory trace is generated from a data trace, it is displayed 
 in the same diagram area and inherits all channel and trace settings from 
 the data trace. </p>
 <p>The following display settings of a data trace and the associated memory 
 traces are <span style="font-weight: bold;"><B>fully coupled</B></span>. Changing 
 a property of one trace affects the properties of all other traces. &nbsp;</p>
 <ul type="disc" class="whs8">
  <li class=kadov-p-CList>
  <p class=List>All settings in the <span style="font-style: italic;"><I><a 
 href="../Format/Trace_Format.htm"
	id=a26
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trace 
 &#8211; Format</a></I></span> 
 menu </p></li>
  <li class=kadov-p-CList>
  <p class=List>All settings in the <span style="font-style: italic;"><I><a 
 href="../Scale/Trace_-_Scale.htm"
	id=a27
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trace 
 &#8211;&nbsp;Scale</a></I></span> 
 menu </p></li>
 </ul>
 <p>Selection of the measured quantity <span style="font-style: italic;"><I>(<a 
 href="../Measure/Trace_-_Measure.htm"
	id=a28
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trace 
 &#8211; Measure</a>)</I></span> 
 is possible for the data trace but disabled for the memory traces. </p>
 <p>Channel settings made for a memory trace act on the associated data 
 trace. Some of the channel settings for a data trace (e.g. the <span style="font-style: italic;"><I>Stimulus 
 </I></span>range) also affect the display of the memory traces. </p>
 <p><img src="../../../small_images/note.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs11"> If the sweep type of a data trace is changed so that 
 the stimulus ranges of the data traces and the memory traces become incompatible, 
 all coupled memory traces are removed from the diagram area and deleted. 
 &nbsp;&nbsp;&nbsp;</p>
</div><table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p class="whs12">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class="whs13"><a HREF="../../../SCPI_Reference/CALCulate/CALCulate_MATH.htm#MEMorize"
	id=A59
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">CALCulate&lt;Chn&gt;:MATH:MEMorize</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A59');
//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs9">


<h4><a name=Math___Data_Mem></a>Math = Data/Mem </h4>

<p>Activates the mathematical mode where the active data trace is divided 
 by the last generated memory trace. The division is calculated on a point-to-point 
 basis: Each measurement point of the active trace is divided by the corresponding 
 measurement point of the memory trace. The result of the division is a 
 <A href="javascript:void(0);" onclick="BSSCPopup('Trace_Funct_text2.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >mathematical 
 trace</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a52');
//--></script> 
 and replaces the active data trace in the diagram area. The mathematical 
 trace is updated as the measurement goes on and the analyzer provides 
 new active trace data. &nbsp;</p>

<p>This function is disabled unless a memory trace is coupled to the active 
 data trace. Trace <a href="Trace_Funct.htm#Coupling"
						id=A51
						style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">coupling</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A51');
//--></script> 
 ensures that the two traces have the same number of points so that the 
 mathematical trace Data/Mem . </p>

<p><span style="font-style: italic;"><I><img src="../../../small_images/note.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs11"> Math = Data/Mem </I></span>and<span 
 style="font-style: italic;"><I> Math = User Def </I></span>are alternative options 
 of the mathematical mode. Selecting one option disables the other. The 
 mathematical expression defined via <a href="#User_Def_Math"
										id=a35
										style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">User 
 Def Math</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a35');
//--></script> 
 is not affected. </p>

<table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p class="whs12">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class="whs14"><a href="../../../SCPI_Reference/CALCulate/CALCulate_MATH.htm#EXPRession_SDEFine"
													id=A61
													style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">CALCulate&lt;Chn&gt;:MATH[:EXPRession]:SDEFine 
 &lt;string&gt;</a><script type="text/javascript"
												language=JavaScript1.2><!--
kadovInitEffects('A61');
//--></script><a 
 href="../../../SCPI_Reference/CALCulate/CALCulate_MATH.htm#STATe"
	id=a65
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
CALCulate&lt;Chn&gt;:MATH:STATe ON</a><script type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a65');
//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs9">


<h4><a name=Data_On></a>Show Data</h4>

<p>Displays or hides the active <A href="javascript:void(0);" onclick="BSSCPopup('Trace_Funct_text3.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >data 
 trace</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a56');
//--></script> 
 in the diagram area. If one of the mathematical options <span style="font-style: italic;"><I>Math 
 = Data/Mem </I></span>or <span style="font-style: italic;"><I>Math = User Def 
 </I></span>are active, then the active <A href="javascript:void(0);" onclick="BSSCPopup('Trace_Funct_text4.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >mathematical 
 trace</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a57');
//--></script> 
 is displayed or hidden.<span style="font-style: italic;"> <I></I></span></p>

<table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p class="whs12">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class="whs15"><span style="font-family: Verdana, sans-serif;">No 
 command, display configuration only</span><span style="color: #ff0000; font-family: Verdana, sans-serif;"><font color=red >.</font></span><span 
 style="color: #ff0000;"> <font color=red ></font></span></td></tr>
</table>


<hr align="center" width="50%" class="whs9">


<h4><a name=Mem_On></a>Show Mem</h4>

<p>Displays or hides the active <A href="javascript:void(0);" onclick="BSSCPopup('Trace_Funct_text5.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >memory 
 trace</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a10');
//--></script> 
 in the diagram area or the memory trace associated with the active <A href="javascript:void(0);" onclick="BSSCPopup('Trace_Funct_text6.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >data 
 trace</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a8');
//--></script>. 
 </p>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List>If no memory trace is associated 
 with the active data trace, <span style="font-style: italic;"><I>Show Mem</I></span> 
 is disabled.</p></li>
	
	<li class=kadov-p-CList><p class=List>If several memory traces are 
 associated with the active data trace (see <span style="font-style: italic;"><I><a 
 href="#Data_to_New_Mem"
	id=a11
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">-&gt; 
 Mem</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a11');
//--></script>)</I></span>, 
 <span style="font-style: italic;"><I>Show Mem</I></span> affects the last generated 
 or changed memory trace. &nbsp;</p></li>
</ul>

<table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p class="whs12">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class="whs15"><span style="font-family: Verdana, sans-serif;">No 
 command, display configuration only.</span><span style="color: #ff0000;"> 
 <font color=red ></font></span></td></tr>
</table>


<hr align="center" width="50%" class="whs9">


<h4><a name=Smoothing_Aperture></a><a name=Data_to_New_Mem></a>More Mem</h4>

<p>Opens a submenu to store traces as memory traces, show or hide traces. 
 The submenu complements the <span style="font-style: italic;"><I><a href="#Data_to_Mem"
	id=a32
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Data 
 -&gt; Mem</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a32');
//--></script></I></span> 
 menu command. </p>

<p class=Figure><img src="Data_to_Mem_menu.gif" width="373px" height="393px" border="0" class="img_whs16"></p>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 href="Trace_Funct.htm#Data_to_Mem_Dialog"
	id=A48
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Data 
 </I></span>&#8212;<span 
 style="font-style: italic;"><I>&gt; Mem</a><script type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A48');
//--></script> 
 </I></span>opens a dialog to store the active trace to a memory trace. </p></li>
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I><a 
 HREF="#All_Data_to_Mem_Dialog"
	id=A49
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">All 
 Data </I></span>&#8212;<span 
 style="font-style: italic;"><I>&gt; Mem</a><script type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A49');
//--></script> 
 </I></span>opens a dialog to store all traces in the active setup to memory 
 traces. </p></li>
	
	<li class=kadov-p-CList><p class=List>The remaining functions hide 
 or show all data traces or memory traces. Moreover it is possible to delete 
 all memory traces in the active setup. </p></li>
</ul>

<table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p class="whs12">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class="whs13"><a href="../../../SCPI_Reference/TRACe/TRACe.htm#COPY"
	id=A60
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">TRACe:COPY 
 &lt;memory_trc&gt;,&lt;data_trc&gt;</a><script type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A60');
//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs9">


<h4><a name=Data_to_Mem_Dialog></a>-&gt; Mem Dialog </h4>

<p>The<span style="font-style: italic;"><I> Data</I></span> <span style="font-style: italic;"><I>-&gt; 
 Mem</I></span> dialog stores the active trace a memory trace. </p>

<p class=Figure
	style="x-condition: Webhelp_Print;"><img src="Data_to_Mem_menu.jpg" width="194px" height="249px" border="0" class="img_whs17"> </p>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List><span style="font-style: italic;"><I>Store 
 Trace &lt;trace_name&gt; to </I></span>contains all memory traces associated 
 with the active data trace. The selected memory trace can be replaced.</p></li>
	
	<li class=kadov-p-CList><p class=List
								style="font-style: italic;">Data -&gt; 
 Mem <span style="font-style: normal;">stores the active data trace to 
 the memory trace selected above. If no memory trace is associated with 
 the current trace, then a new memory trace is created. The new trace is 
 named </span>Mem&lt;n+1&gt;[&lt;Data_Trace&gt;], <span style="font-style: normal;">where 
 n is the largest of all existing memory trace indices. &nbsp;&nbsp;</span></p></li>
	
	<li class=kadov-p-CList><p class=List
								style="font-style: italic;"><span style="font-style: normal;">D</span>ata 
 -&gt; New Mem <span style="font-style: normal;">stores the active data 
 trace to a new memory trace, leaving the existing memory traces unchanged. 
 &nbsp;</span></p></li>
	
	<li class=kadov-p-CList><p class=List
								style="font-style: italic;">Data &amp; 
 Trace Funct. -&gt; Mem <span style="font-style: normal;">stores the current 
 state of the active data trace modified by the trace functions to the 
 memory trace selected above. If no memory trace is associated with the 
 current trace, then a new memory trace is created. &nbsp;</span></p></li>
	
	<li class=kadov-p-CList><p class=List
								style="font-style: normal;"><span style="font-style: italic;"><I>Data 
 &amp; Trace Funct. -&gt; New Mem</I></span> stores the current state of the 
 active data trace modified by the trace functions to a new memory trace, 
 leaving the existing memory traces unchanged. &nbsp;</p></li>
</ul>

<p class=Dropdownline><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs1"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a67" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trace 
 functions</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a67');
//--></script></p>

<div class="droptext" id="POPUP242395053" style="display: 'none'; " x-ss-type="dropdown">
 <p>The trace functions comprise the following mathematical operations:</p>
 <ul type="disc" class="whs8">
  <li class=kadov-p-CList>
  <p class=List>Any mathematical relation applied 
 to the trace <span style="font-style: italic;"><I>(<a href="Trace_Funct.htm#Math___Data_Mem"
													id=a24
													style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Math 
 = Data/Mem</a>, 
 <a href="Trace_Funct.htm#Math___User_Def"
	id=a46
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Math 
 = User Def</a>)</I></span>.</p></li>
  <li class=kadov-p-CList>
  <p class=List>A shift of the trace in horizontal 
 or vertical direction <span style="font-style: italic;"><I>(<a href="Import_Export_Data.htm#Shift_Meas_Value"
															id=a55
															style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Shift 
 Response Value</a>, 
 <a href="Import_Export_Data.htm#Shift_Stimulus_Value"
	id=a66
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Shift 
 Stimulus Value</a>).</I></span></p></li>
 </ul>
 <p><span style="font-style: italic;"><I>Data </I></span>&#8212;&gt; 
 <span style="font-style: italic;"><I>Mem</I></span> and <span style="font-style: italic;"><I>Data 
 </I></span>&#8212;&gt; 
 <span style="font-style: italic;"><I>New</I></span><span style="font-style: italic;"><I>Mem</I></span> 
 store the raw trace without the trace functions, <span style="font-style: italic;"><I>Data 
 &amp; Trace Funct </I></span>&#8212;&gt; 
 <span style="font-style: italic;"><I>Mem</I></span> and <span style="font-style: italic;"><I>Data 
 &amp; Trace Funct </I></span>&#8212;&gt; 
 <span style="font-style: italic;"><I>New</I></span><span style="font-style: italic;"><I>Mem</I></span> 
 store the trace after it has been transformed using the trace functions. 
 </p>
</div><table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p class="whs12">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class="whs13"><a href="../../../SCPI_Reference/TRACe/TRACe.htm#COPY"
	id=a50
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">TRACe:COPY 
 &lt;memory_trc&gt;,&lt;data_trc&gt;</a><script type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a50');
//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs9">


<h4><a name=All_Data_to_Mem_Dialog></a>All Data -&gt; Mem </h4>

<p>The<span style="font-style: italic;"><I> All Data -&gt; Mem</I></span> dialog 
 stores all traces in the active setup to memory traces. </p>

<p class=Figure
	style="x-condition: Webhelp_Print;"><img src="All_Data_to_Mem_menu.jpg" width="195px" height="220px" border="0" class="img_whs18"> </p>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List
								style="font-style: italic;">Data -&gt; 
 Mem <span style="font-style: normal;">stores all data traces in the current 
 setup to memory traces. If no memory trace is associated with a data trace, 
 then a new memory trace is created. The new trace is named </span>Mem&lt;n+1&gt;[&lt;Data_Trace&gt;], 
 <span style="font-style: normal;">where n is the largest of all existing 
 memory trace indices. If several memory traces are associated with a data 
 trace, the newest memory trace is replaced. &nbsp;</span></p></li>
	
	<li class=kadov-p-CList><p class=List
								style="font-style: italic;"><span style="font-style: normal;">D</span>ata 
 -&gt; New Mem <span style="font-style: normal;">stores all data traces 
 in the current setup to memory traces, leaving the existing memory traces 
 unchanged. &nbsp;</span></p></li>
	
	<li class=kadov-p-CList><p class=List
								style="font-style: italic;">Data &amp; 
 Trace Funct. -&gt; Mem <span style="font-style: normal;">stores the current 
 state of all data traces modified by the trace functions to memory traces. 
 If a trace has no memory trace, then a new memory trace is created. &nbsp;</span></p></li>
	
	<li class=kadov-p-CList><p class=List
								style="font-style: normal;"><span style="font-style: italic;"><I>Data 
 &amp; Trace Funct. -&gt; New Mem</I></span> stores the current state of all 
 data traces modified by the trace functions to new memory traces, leaving 
 the existing memory traces unchanged. &nbsp;</p></li>
</ul>

<p class=Dropdownline><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs1"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a70" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Trace 
 functions</a><script type="text/javascript"
											language=JavaScript1.2><!--
kadovInitEffects('a70');
//--></script></p>

<div class="droptext" id="POPUP175436765" style="display: 'none'; " x-ss-type="dropdown">
 <p>The trace functions comprise the following mathematical operations:</p>
 <ul type="disc" class="whs8">
  <li class=kadov-p-CList>
  <p class=List>Any mathematical relation applied 
 to the trace <span style="font-style: italic;"><I>(<a href="Trace_Funct.htm#Math___Data_Mem"
													id=a58
													style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Math 
 = Data/Mem</a>, 
 <a href="Trace_Funct.htm#Math___User_Def"
	id=a62
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Math 
 = User Def</a>)</I></span>.</p></li>
  <li class=kadov-p-CList>
  <p class=List>A shift of the trace in horizontal 
 or vertical direction <span style="font-style: italic;"><I>(<a href="Import_Export_Data.htm#Shift_Meas_Value"
															id=a68
															style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Shift 
 Response Value</a>, 
 <a href="Import_Export_Data.htm#Shift_Stimulus_Value"
	id=a69
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Shift 
 Stimulus Value</a>).</I></span></p></li>
 </ul>
 <p><span style="font-style: italic;"><I>Data </I></span>&#8212;&gt; 
 <span style="font-style: italic;"><I>Mem</I></span> and <span style="font-style: italic;"><I>Data 
 </I></span>&#8212;&gt; 
 <span style="font-style: italic;"><I>New</I></span><span style="font-style: italic;"><I>Mem</I></span> 
 store the raw trace without the trace functions, <span style="font-style: italic;"><I>Data 
 &amp; Trace Funct </I></span>&#8212;&gt; 
 <span style="font-style: italic;"><I>Mem</I></span> and <span style="font-style: italic;"><I>Data 
 &amp; Trace Funct </I></span>&#8212;&gt; 
 <span style="font-style: italic;"><I>New</I></span><span style="font-style: italic;"><I>Mem</I></span> 
 store the trace after it has been transformed using the trace functions. 
 </p>
</div><table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p class="whs12">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class="whs13"><a href="../../../SCPI_Reference/TRACe/TRACe.htm#COPY"
	id=a71
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">TRACe:COPY 
 &lt;memory_trc&gt;,&lt;data_trc&gt;</a><script type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a71');
//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs9">


<h4><a name=Math___User_Def></a>Math = User Def</h4>

<p>Activates the mathematical mode and displays the <A href="javascript:void(0);" onclick="BSSCPopup('Trace_Funct_text7.htm');return false;" onMouseOver="if (parseInt(navigator.appVersion) >= 4) BSPSPopupOnMouseOver(event);" class="popupspot" >mathematical 
 trace</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a53');
//--></script> 
 defined via <a href="#User_Def_Math"
				id=a34
				style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Define 
 Math</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a34');
//--></script>. 
 The mathematical trace replaces the active data trace in the diagram area; 
 it is updated as the measurement goes on and the analyzer provides new 
 active trace data. </p>

<p>This function is disabled unless a user-defined mathematical trace is 
 available. &nbsp;</p>

<p><span style="font-style: italic;"><I><img src="../../../small_images/note.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs11"> Math = User Def </I></span>and<span 
 style="font-style: italic;"><I> Math = Data/Mem </I></span>are alternative options 
 of the mathematical mode. Selecting one option disables the other. The 
 mathematical expression defined via <a href="#User_Def_Math"
										id=a36
										style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Define 
 Math</a><script type="text/javascript"
									language=JavaScript1.2><!--
kadovInitEffects('a36');
//--></script> 
 is not affected. </p>

<table x-use-null-cells class="whs2">

<tr valign="top" class="whs3">
<td colspan="1" rowspan="1" width="24%" class="whs4">
<p class="whs12">Remote control:</td>
<td colspan="1" rowspan="1" width="76%" class="whs6">
<p class="whs14"><span style="color: #ff0000;"><font color=red ><a 
 href="../../../SCPI_Reference/CALCulate/CALCulate_MATH.htm#EXPRession_SDEFine"
	id=a63
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">CALCulate&lt;Chn&gt;:MATH[:EXPRession]:SDEFine 
 &lt;string&gt;</a><script type="text/javascript"
												language=JavaScript1.2><!--
kadovInitEffects('a63');
//--></script></font></span><a 
 HREF="../../../SCPI_Reference/CALCulate/CALCulate_MATH.htm#STATe"
	id=A64
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ "><br>
CALCulate&lt;Chn&gt;:MATH:STATe ON</a><script type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('A64');
//--></script></td></tr>
</table>


<hr align="center" width="50%" class="whs9">


<h4><a name=User_Def_Math></a>User Def. Math...</h4>

<p>Opens a dialog to define a mathematical relation between traces and 
 calculate a new mathematical trace. Each measurement point of the active 
 trace is replaced by the corresponding point of the mathematical trace. 
 </p>

<p><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs1"> <a class="dropspot" href="javascript:kadovTextPopup(this)" id="a54" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Compatibility 
 between traces in mathematical relations</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a54');
//--></script></p>

<div class="droptext" id="POPUP179199740" style="display: 'none'; " x-ss-type="dropdown">
 <p>Mathematical traces are either constant functions or functions of one 
 or more data or memory traces. They are calculated on a point-to-point 
 basis. Each trace point no. i of the mathematical trace is calculated 
 from a set of constant values c<span style="vertical-align: Sub;">1</span>, 
 ..., c<span style="vertical-align: Sub;">n</span> plus the trace points 
 Trc1<span style="vertical-align: Sub;">i</span>, Trcm<span style="vertical-align: Sub;">i 
 </span>of all traces 1 to m in the mathematical relation: </p>
 <p class=Figure>Math<span style="vertical-align: Sub;">i</span> = Fct. 
 (c<span style="vertical-align: Sub;">1</span>, ..., c<span style="vertical-align: Sub;">n</span>, 
 Trc1<span style="vertical-align: Sub;">i</span>, Trcm<span style="vertical-align: Sub;">i 
 </span>), i = 1, no. of points</p>
 <p>Different traces can be used in the same mathematical relation provided 
 that they contain the same number of points. The analyzer places no further 
 restriction on the compatibility of traces, e.g. the sweep points of the 
 traces do not have to be the same. </p>
 <p>The <a HREF="../../Channel/Sweep/Number_of_Points.htm"
			id=a30
			style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">number 
 of points</a> 
 belongs to the channel settings. Coupled data and memory traces are always 
 compatible because they have the same channel settings. </p>
 <p class=Note><img src="../../../small_images/note.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs11"> The analyzer processes only numeric values 
 without units in the mathematical formulas. No consistency check for units 
 is performed. </p>
</div>
<p class=Figure
	style="x-condition: Webhelp_Print;"><img src="Define_Math.jpg" width="286px" height="373px" border="0" class="img_whs19"></p>

<p>In its upper part the dialog contains a window to view and edit the 
 mathematical expression and four buttons: </p>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List><a class="expandspot" href="javascript:kadovTextPopup(this)" id="a38" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Del. 
 All</a><span class=expandtext style="display: 'none';" id=POPUP177234837 >   clears the window, so it is possible to start editing a new expression.</span><script type="text/javascript"
									language=JavaScript1.2><!--
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//--></script></p></li>
	
	<li class=kadov-p-CList><p class=List><a class="expandspot" href="javascript:kadovTextPopup(this)" id="a39" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Del.</a><span class=expandtext style="display: 'none';" id=POPUP174532481 >   deletes the last character before the current cursor position (backspace 
 function). Deleting a character of an operand causes the operand to become 
 invalid. </span><script 
 type="text/javascript"
	language=JavaScript1.2><!--
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//--></script></p></li>
	
	<li class=kadov-p-CList><p class=List><a class="expandspot" href="javascript:kadovTextPopup(this)" id="a42" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Recall...</a><span class=expandtext style="display: 'none';" id=POPUP241220098 >   calls up an <span style="font-style: italic;"><I><a href="../../File/File_Menu.htm#Open_File_Dialog"
													id=a41
													style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Open 
 File</a></I></span> 
 dialog to load a mathematical expression from a trace math string file. 
 Trace math string files are ASCII files with the default extension *.mth 
 and contain the mathematical expression as it is written in the <span 
 style="font-style: italic;"><I>User Def Math... </I></span><span>dialog</span>. 
 It is possible to change or create math string files using a text editor. 
 </span><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a42');
//--></script></p></li>
	
	<li class=kadov-p-CList><p class=List><a class="expandspot" href="javascript:kadovTextPopup(this)" id="a40" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Save...</a><span class=expandtext style="display: 'none';" id=POPUP174516776 >   calls up a <span style="font-style: italic;"><I><a href="../../File/File_Menu.htm#Save_As"
													id=a37
													style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Save 
 As...</a></I></span> 
 dialog to store the current expression to a trace math string file. Trace 
 math string files are ASCII files with the default extension *.mth and 
 contain the mathematical expression as it is written in the <span style="font-style: italic;"><I>User 
 Def Math... </I></span>dialog. It is possible to change or create math string 
 files using a text editor.</span><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a40');
//--></script></p></li>
</ul>

<p><span style="color: #000000;"><font color=black ><img src="../../../small_images/tip.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs11"></font></span>To import a math 
 file (*.mth) you can also use the Windows Explorer and simply double-click 
 the file or drag and drop the file into the NWA application. You must 
 enable the mathematical mode separately. </p>

<p>The operands and operators in the expression can be selected from two 
 lists and the <span style="font-style: italic;"><I>Numeric Value </I></span>panel: 
 </p>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List><a class="expandspot" href="javascript:kadovTextPopup(this)" id="a43" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Operand</a><span class=expandtext style="display: 'none';" id=POPUP176291951 >   contains all data traces and memory traces of the active setup plus the constants pi (approx. 3.14159), 
 e (approx. 2.71828) and the imaginary unit j. </span><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a43');
//--></script></p></li>
	
	<li class=kadov-p-CList><p class=List
								style="x-on-hover: none;"><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a44" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Operator</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
kadovInitEffects('a44');
//--></script></p>
<div class="droptext" id="POPUP172910628" style="display: 'none'; " x-ss-type="dropdown">
 <p>Contains operators for arithmetic operations and mathematical functions. 
 The following table lists how the operators act on a complex quantity 
 z = x + jy. </p>
 <table frame="box" rules="all" x-use-null-cells border="1" class="whs20">
  <col class="whs21">
  <col class="whs22">
  <tr valign="middle" class="whs23">
  <td class=Tabelle-Kopf
	style="width: 105px;
			border-left-width: 4px;
			border-left-style: Groove;
			border-top-width: 4px;
			border-top-style: Groove;
			border-right-width: 4px;
			border-right-style: Groove;
			border-bottom-width: 4px;
			border-bottom-style: Groove;"
	width=105px>
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">+, -, *, /</td>
  <td class=Tabelle
	colspan=1
	style="width: 213px;
			border-left-width: 4px;
			border-left-style: Groove;
			border-top-width: 4px;
			border-top-style: Groove;
			border-right-width: 4px;
			border-right-style: Groove;
			border-bottom-width: 4px;
			border-bottom-style: Groove;"
	width=213px>
  <p class=Tabcmu2
	style="font-style: normal;">Basic arithmetic operations </td></tr>
  <tr valign="middle" class="whs23">
  <td class=Tabelle-Kopf
	style="width: 105px;
			border-left-width: 4px;
			border-left-style: Groove;
			border-top-width: 4px;
			border-top-style: Groove;
			border-right-width: 4px;
			border-right-style: Groove;
			border-bottom-width: 4px;
			border-bottom-style: Groove;"
	width=105px>
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">()</td>
  <td class=Tabelle
	colspan=1
	style="width: 213px;
			border-left-width: 4px;
			border-left-style: Groove;
			border-top-width: 4px;
			border-top-style: Groove;
			border-right-width: 4px;
			border-right-style: Groove;
			border-bottom-width: 4px;
			border-bottom-style: Groove;"
	width=213px>
  <p class=Tabcmu2>Grouping parts of an expression</td></tr>
  <tr valign="middle" class="whs23">
  <td colspan="1" rowspan="1" width="105px" class="whs24">
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">linMag</td>
  <td colspan="1" rowspan="1" width="213px" class="whs25">
  <p class=Tabcmu2
	style="font-weight: normal; font-style: normal;">|z| = sqrt ( x<span 
 style="font-size: 8pt; vertical-align: Super;"><font size=1 style="font-size:8pt;">2</font></span> + y<span style="font-size: 8pt; vertical-align: Super;"><font size=1 style="font-size:8pt;">2</font></span> 
 ) </td></tr>
  <tr valign="middle" class="whs23">
  <td colspan="1" rowspan="1" width="105px" class="whs24">
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">dBMag</td>
  <td colspan="1" rowspan="1" width="213px" class="whs25">
  <p class=Tabcmu2
	style="font-weight: normal; font-style: normal;">dB Mag(z) = 20 * log|z| 
 dB</td></tr>
  <tr valign="middle" class="whs23">
  <td colspan="1" rowspan="1" width="105px" class="whs24">
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">Arg</td>
  <td colspan="1" rowspan="1" width="213px" class="whs25">
  <p class=Tabcmu2
	style="font-weight: normal; font-style: normal;">Phase <span style="font-family: Symbol, serif;">f</span> 
 (z) = arctan ( Im(z) / Re(z) )</td></tr>
  <tr valign="middle" class="whs23">
  <td colspan="1" rowspan="1" width="105px" class="whs24">
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">Re, Im</td>
  <td colspan="1" rowspan="1" width="213px" class="whs25">
  <p class=Tabcmu2
	style="font-weight: normal; font-style: normal;">x, y (Real and Imag) 
 </td></tr>
  <tr valign="middle" class="whs23">
  <td colspan="1" rowspan="1" width="105px" class="whs24">
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">log, ln</td>
  <td colspan="1" rowspan="1" width="213px" class="whs25">
  <p class=Tabcmu2>Common (base 10) or natural (base e) logarithm </td></tr>
  <tr valign="middle" class="whs23">
  <td colspan="1" rowspan="1" width="105px" class="whs24">
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">Min, Max</td>
  <td colspan="1" rowspan="1" width="213px" class="whs25">
  <p class=Tabcmu2>Smaller or larger values of all points of two traces, 
 e.g. Min(Trc1,Trc2) </td></tr>
  <tr valign="middle" class="whs23">
  <td colspan="1" rowspan="1" width="105px" class="whs24">
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">StimVal</td>
  <td colspan="1" rowspan="1" width="213px" class="whs25">
  <p class=Tabcmu2>Stimulus value<span style="vertical-align: Super;">*)</span></td></tr>
  <tr valign="middle" class="whs23">
  <td colspan="1" rowspan="1" width="105px" class="whs24">
  <p class=Tabcmu2
	style="font-family: 'Courier New', monospace;">tan, atan, sin, asin, 
 cos, acos</td>
  <td colspan="1" rowspan="1" width="213px" class="whs25">
  <p class=Tabcmu2
	style="font-weight: normal; font-style: normal;"><span style="font-weight: normal; font-style: normal;">Direct 
 and inverse trigonometric functions. </span></td></tr>
 </table>
 <p class="whs26">*) The function StimVal can be used for 
 all sweep types. Please note that <span style="font-family: 'Courier New', monospace;">-</span> 
 as with all user math operands <span style="font-family: 'Courier New', monospace;">- 
 </span>only the numerical value without unit is processed in the user 
 math formula.</p>
 <ul type="disc" class="whs8">
  <li class=kadov-p-CList>
  <p class=List>In frequency sweeps StimVal provides 
 the stimulus frequency in Hz, which may be converted into a dB value (for 
 <span style="font-style: italic;"><I>dB Mag</I></span> trace format). </p></li>
  <li class=kadov-p-CList>
  <p class=List>In power sweeps, StimVal<span 
 style="font-style: italic;"><I></I></span>provides the voltage in V that results 
 from the source power in dBm. To obtain the correct source power in dBm 
 (for <span style="font-style: italic;"><I>dB Mag</I></span> trace format), <span 
 style="font-style: italic;"><I><a href="Trace_Funct.htm#Result_is_Wave_Quantity"
								id=a73
								style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Result 
 is Wave Quantity</a></I></span> 
 must be enabled. Note that, due to the conversion into a dBm value, the 
 source power depends on the reference impedance of the port associated 
 with the measured wave quantity, to be set in the <span style="font-style: italic;"><I><a 
 HREF="../../Channel/Mode/Channel_Mode.htm#Physical_Port"
	id=a72
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Port 
 Configuration</a></I></span>dialog<span style="font-family: Symbol, serif;">.</span></p></li>
  <li class=kadov-p-CList>
  <p class=List>In time sweeps, StimVal is the 
 stimulus time in s.</p></li>
  <li class=kadov-p-CList>
  <p class=List>In CW mode sweeps, StimVal is 
 the number of the point. </p></li>
 </ul>
</div></li>
	
	<li class=kadov-p-CList><p class=List><a class="dropspot" href="javascript:kadovTextPopup(this)" id="a45" style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">Numeric 
 Value</a><script type="text/javascript"
										language=JavaScript1.2><!--
kadovInitEffects('a45');
//--></script></p>
<div class="droptext" id="POPUP175881940" style="display: 'none'; " x-ss-type="dropdown">
 <p>extends the <span style="font-style: italic;"><I>Define Math </I></span><span>dialog 
 and opens the numeric input panel (toggle function): </span></p>
 <p class=Figure><img src="Numeric_panel.gif" width="262px" height="173px" border="0" class="img_whs27"></p>
 <p>The numeric input panel supports the entry of numeric values and constants. 
 In addition to the numbers 0 to 9, the decimal point and the constants 
 j (complex unit), pi (approx. 3.14159) and e (approx. 2.71828), it contains 
 the following buttons:</p>
 <ul type="disc" class="whs8">
  <li class=kadov-p-CList>
  <p class=List>+/- changes the sign </p></li>
  <li class=kadov-p-CList>
  <p class=List><span style="font-style: italic;"><I>Exp</I></span> 
 defines a number in exponential representation, e.g. 12 exp 3 for 12*10^3 
 = 12000. </p></li>
 </ul>
 <p>Products of numbers and constants may be entered in abbreviated form, 
 e.g. 2e for 2*e.</p>
</div></li>
</ul>

<p class=Note><img src="../../../small_images/note.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs11">If traces are used as operands, the complex 
 trace data (measurement results) enter into the mathematical expression, 
 irrespective of the current trace format. &nbsp;</p>

<p><span style="font-style: italic;"><I><a name=Result_is_Wave_Quantity></a>Result 
 is Wave Quantity</I></span> in the lower part of the dialog controls the conversion 
 and formatting of the mathematic expression. </p>

<ul type="disc" class="whs8">
	
	<li class=kadov-p-CList><p class=List>If <span style="font-style: italic;"><I>Result 
 is Wave Quantity</I></span> is enabled the analyzer assumes that the result 
 of the mathematical expression represents a voltage. Examples for voltage-type 
 expressions are all terms proportional to a wave quantity (e.g. <span 
 style="font-style: italic;"><I>1.1*Data, </I></span>if a wave quantity is measured) 
 or to a stimulus value of a power sweep. If <span style="font-style: italic;"><I>Show 
 As: Power </I></span>is selected in the <span style="font-style: italic;"><I>More 
 Wave Quantities </I></span>dialog, the result is converted into a linear power 
 before the selected trace format is applied. Otherwise no conversion is 
 performed, and <span style="font-style: italic;"><I>dB Mag </I></span>results 
 are referenced to 1<span style="font-family: Symbol, serif;">m</span>V. 
 </p></li>
	
	<li class=kadov-p-CList><p class=List>If <span style="font-style: italic;"><I>Result 
 is Wave Quantity</I></span> is disabled the analyzer assumes that the result 
 of the mathematical expression is dimensionless. Examples for dimensionless 
 expressions are all terms proportional to ratios of wave quantities, e.g. 
 <span style="font-style: italic;"><I>Data / Mem2[Trc1]</I></span>. The selected 
 trace format is applied without previous conversion. </p></li>
</ul>

<p><span style="font-style: italic;"><I>Result is Wave Quantity</I></span> acts 
 on the result of the mathematical expression only. Wave quantities and 
 power sweep stimulus values always enter into the expression as voltages. 
 &nbsp;</p>

<p><img src="../../../small_images/info_red.jpg" x-maintain-ratio="TRUE" width="32px" height="37px" border="0" class="img_whs1"> <a class="dropspot" href="javascript:kadovTextPopup(this)" id="a31" style="x-text-underline: off; /*begin!kadov{{*/ position: relative; text-decoration: none; /*}}end!kadov*/ ">Effect 
 of Result is Wave Quantity and numeric example</a><script 
 type="text/javascript"
	language=JavaScript1.2><!--
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//--></script></p>

<div class="droptext" id="POPUP179136221" style="display: 'none'; " x-ss-type="dropdown">
 <p>In the <span style="font-style: italic;"><I>More Wave Quantities </I></span>dialog, 
 the <span style="font-style: italic;"><I>Show as:</I></span> control element 
 specifies whether wave quantities are displayed as voltages or equivalent 
 powers, using the port impedances for a conversion between the two representations.<span 
 style="font-style: italic;"><I> Result is Wave Quantity </I></span>is relevant 
 for mathematical traces displayed in units of <span style="font-style: italic;"><I>dBm 
 (Show as: Power </I></span>and trace format <span style="font-style: italic;"><I>dB 
 Mag):</I></span>&nbsp;</p>
 <ul type="disc" class="whs8">
  <li class=kadov-p-CList>
  <p class=List>If <span style="font-style: italic;"><I>Result 
 is Wave Quantity</I></span> is on (checked), the mathematical trace values 
 &lt;W&gt; are interpreted as voltages and first converted into equivalent 
 powers (&lt;W&gt; &#8212;&gt; 
 &lt;P&gt; = &lt;W&gt;<span style="vertical-align: Super;">2</span>/Re(Z<span 
 style="vertical-align: Sub;">0</span>)). Results in <span style="font-style: italic;"><I>dB 
 Mag</I></span> format are calculated according to &lt;P&gt;<span style="vertical-align: Sub;">log</span> 
 = 10 * log (&lt;P&gt;/1mW). </p></li>
  <li class=kadov-p-CList>
  <p class=List>If <span style="font-style: italic;"><I>Result 
 is Wave Quantity</I></span> is off, the mathematical trace values &lt;W&gt; 
 are interpreted as dimensionless quantities. Results in <span style="font-style: italic;"><I>dB 
 Mag</I></span> format are calculated according to &lt;W&gt;<span style="vertical-align: Sub;">log</span> 
 = 20 * log (&lt;W&gt;). </p></li>
 </ul>
 <p><span style="font-weight: bold;"><B>Example:</B></span> A mathematical trace 
 value amounts to 1 (real value); the port impedance is 50 <span style="font-family: Symbol, serif;">W</span>. 
 If <span style="font-style: italic;"><I>Result is Wave Quantity</I></span> is 
 on, the analyzer assumes the trace value to be 1 V, which is converted 
 into a linear power of 20 mW, corresponding to approx. 13 dBm. With <span 
 style="font-style: italic;"><I>Result is Wave Quantity</I></span> off, the trace 
 value 1 is directly converted into a logarithmic power of 0 dBm. </p>
 <p><img src="../../../small_images/tip.jpg" x-maintain-ratio="TRUE" width="36px" height="37px" border="0" class="img_whs11"> See also example for <span style="font-family: 'Courier New', monospace;"><a 
 href="../../../SCPI_Reference/CALCulate/CALCulate_MATH.htm#WUNit_STATe"
	id=a74
	style="/*begin!kadov{{*/ position: relative; /*}}end!kadov*/ ">CALCulate&lt;Chn&gt;:MATH:WUNit:STATe 
 ON | OFF</a>.</span></p>
</div><hr align="center" width="50%" class="whs9">


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