圆极化贴片天线交叉极化比分析

M. Yahya, Z. Awang
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引用次数: 13

摘要

与常用的轴向极化比(AR)分析相比,交叉极化比(CPR)分析可用于确定天线的圆极化质量。该分析不依赖于电磁场左右极化测量,需要左右两个圆形极化参考天线。通过CPR,可以从参考线性极性天线测量天线的圆极化质量。设计并制作了一种低复杂度的2.4 GHz圆极化截断角贴片天线,展示了分析天线圆极化质量的简单过程。仿真结果与理论考虑、测量结果和电场结果进行了比较。
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Cross polarization ratio analysis of circular polarized patch antenna
Cross polarization ratio (CPR) analysis can be used to determine the quality of circular polarization of an antenna as compared to the commonly used axial ratio (AR) analysis. The analysis is independent of E-field left and right polarity measurement which requires two circular polarized reference antennas of left and right. Through CPR, the quality of circular polarization of an antenna can be measured from a reference linear polarity antenna. A low complexity 2.4 GHz circular polarized truncated corner patch antenna is designed and fabricated on printed circuit board (PCB) to show the simple process to analyse circular polarization quality of the antenna. Simulation result is compared to the theoretical considerations and measurement of ratio and E-field results.
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