中文说明：合成孔径雷达（SAR)目标成像仿真，对信号进行频谱分析及滤波，用于建立主成分分析模型，采用累计贡献率的方法，LDPC码的完整的编译码，模式识别中的bayes判别分析算法。
English Description：
Synthetic aperture radar (SAR) imaging simulation of signal frequency spectrum analysis and filtering, principal component analysis was used to build the model using cumulative contribution method, complete decoding of LDPC codes and Bayes discriminant analysis algorithm in pattern recognition.