| 1. | In chapter 3 , the statistical properties of raw data of the received electromagnetic waves are analyzed and computed , which show that the real and imaginary parts of sar raw data have zero means , slow changing variance , and asymptotically gaussian distribut 第三章分析和计算了合成孔径雷达原始数据的统计特征。原始数据的实部和虚部满足均值近似为零的渐进高斯分布且相互独立,数据的熵值较高。 |