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GPS Circularly Polarized Microstrip Antenna With Single Feedpoint

Ye Yunshang Li Quanming Yang Xiaoyong (Beijing Institute of Spacecraft System Engineering,Beijing 100086)   

  • Published:2002-04-25

Abstract: Based on cavity mode theory,GPS microstrip antenna with single feedpoint is analyzed and designed by using perturbation method.The test results show that the antenna can provide excellent circular hemisphere beam,better wide angle circular polarization and better impedance match.It's one kind of good GPS receiving antenna.