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2011-03-03
A Circularly Polarized Aperture Stacked Patch Microstrip Antenna for L Band
By
Progress In Electromagnetics Research C, Vol. 20, 95-109, 2011
Abstract
The design and manufacture of a circular polarized aperture stacked patch circular microstrip patch antenna (CPASPA) at L-band is presented. The Wilkinson power divider is used to excite the stacked circular patches by two orthogonal $H$-shape slots, which can improve the operation bandwidth and circularly polarized performance. The design is optimized by a series of parametric study of the input impedance for the antenna. The measurements show that the CPASPA has a 3-dB axial ratio (AR) bandwidth of 55.0% and a 10-dB return loss (RL) bandwidth of 47.0%. The measured gain is more than 0 dBic over the bandwidth of 42.5%, in which the maximum is 9.4 dBic. The measurements agree very well with the simulation results.
Citation
Fei Zhao, Tingting Liu, and Zuping Qian, "A Circularly Polarized Aperture Stacked Patch Microstrip Antenna for L Band," Progress In Electromagnetics Research C, Vol. 20, 95-109, 2011.
doi:10.2528/PIERC10112703
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