信号处理中的旋转不变子空间法，music高阶谱分析算法，使用起来非常方便，表示出两帧图像间各个像素点的相对情况，滤波求和方式实现宽带波束形成，LDPC码的完整的编译码，插值与拟合，解方程，数据分析。- Signal Processing ESPRIT method, music higher order spectral analysis algorithm, Very convenient to use, Between two images showing the relative circumstances of each pixel, Filtering summation way broadband beamforming, Complete codec LDPC code, Interpolation and fitting, solution of equations, data analysis.