本文基于最优化理论，利用模拟电荷法对一个小型的交叉场天线（CFA）进行了场的数值分析，得到CFA周围的电场、磁场及玻印廷矢量的分布。
In this paper, we introduce the basic theory and the design of CFA, and analyze the field of CFA by CSM on the basis of method of optimization.
该天线由两个十字交叉的微带分支提供极化分集。
The antenna has two crossed microstrip branches, which can provide polarization diversity.
针对某型双极化高交叉极化鉴别度天线进行了实际测量，测量结果表明该方法具有很高的工程实用价值。
The practical measurements of dual polarization antennas are presented. This new approach is of great practical value in engineering.
针对某型双极化高交叉极化鉴别度天线进行了实际测量，测量结果表明该方法具有很高的工程实用价值。
The practical measurements of dual polarization antennas are presented. This new approach is of great practical value in engineering.
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