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IEEE Transactions on Antennas and Propagation
Volume 46 Number 9, September 1998

Design of Wide-Band Aperture-Stacked Patch Microstrip Antennas

Page 1245.

Abstract:

A variation of the aperture-coupled stacked patch microstrip antenna is presented, which greatly enhances its bandwidth. Bandwidths of up to one octave have been achieved. The impedance behavior of this antenna is compared with that of other wide-band microstrip radiators. Matching techniques for the antenna are presented and their relative merits discussed. The effects of varying several key physical parameters of the antenna are investigated, lending some insight into its wide-band operation. Variations on the design such as incorporation of additional patches are also discussed.

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