In practice, the channels of a polarimetric SAR system are not always perfectly isolated and do not have identical properties, thus the measurements are contaminated.

• 摘要由于极化合成孔径雷达发射与接收端受通道幅相不平衡、天线串扰、电磁波传播特性和系统噪声等因素影响，造成遥感数据不能反映真实目标特性。