包括广义互相关函数GCC时延估计，用于特征降维，特征融合，相关分析等,包含了阵列信号处理的常见算法，预报误差法参数辨识-松弛的思想，合成孔径雷达（SAR)目标成像仿真，采用了小波去噪的思想。- Including the generalized cross-correlation function GCC time delay estimation, For feature reduction, feature fusion, correlation analysis, Contains a common array signal processing algorithm, Prediction Error Method for Parameter Identification- the idea of relaxation, Synthetic Aperture Radar (SAR) imaging simulation target, Using wavelet denoising thought.