但是，由于不同极化状态回波信号之间的相关性，极化数据不可避免地产生数据冗余，反而增大了岩性分类的误差。

But meanwhile, the data fusion coming from the coherence of different polarizations in the polarimetric data produces more error for lithological classification.

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给出干扰极化估值方法，分析了估值误差对滤波和测角的影响。

The polarization parameter estimation method is given and the effect of the estimation error on the polarization filtering and Angle measurement is analyzed.

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