A Small Cap-shaped CP patch Antenna

作     者：Pui-Yi LAU,Hang WONG,Kwai-Man LUK and Kai-Ning YUNG Department of Electronic Engineering,City University of Hong Kong 83 Tat Chee Avenue,Kowloon,Hong Kong SAR,PRC 

会议名称：《2005'全国微波毫米波会议》

会议日期：2006年

学科分类：080904[工学-电磁场与微波技术] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 

关 键 词：T-probe folded patch circularly polarization 

摘      要：正A small size circularly polarized（CP） patch antenna with a pair of T-shaped probe feed is *** cap-shaped folded patch has a 54%total area reduction in comparison with the conventional half-wave patch *** antenna generates a CP wave at *** impedance bandwidth（SWR2） is 21.83%from 2 to 2.49GHz and the axial ratio bandwidth（AR3dB） is 3.81%.The antenna obtains a 7.4dBi gain and shows a symmetric CP radiation pattern.