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本文针对相干极化测量过程中，在对接收天线极化进行圆环轨道约束的条件下，对于任意给定信号和干扰的极化方式，研究了圆环极化轨道上信号干扰噪声比（SINR）的局部最优化问题，并对Poincare极化球上大圆轨道约束与圆环轨道约束这两种情况下的SINR最优化问题进行了比较。对于测量过程中信号极化或干扰极化为已知的情况，本文提出了两种全局变极化策略，并研究了这两种策略对SINR最优化的影响以及二者在SINR优化过程中的搜索效率问题。
In the process of coherent polarization measurement, under the circumstance of the circular orbit constraint on the polarization of the receiving antenna, the signal to interference and noise ratio (SINR ), And compared the SINR optimization problems under the circumstance of circular orbital constraints on the Poincare polar sphere. In the case of signal polarization or interference polarization being known in the measurement process, two global variable polarization strategies are proposed in this paper. The influence of these two strategies on SINR optimization and the influence of SINR and SINR on the optimization of SINR Search efficiency issues.