中文说明： 利用最小二乘法进行拟合多元非线性方程，插值与拟合的matlab实现，在MATLAB中求图像纹理特征，多抽样率信号处理，考虑雨衰 阴影 和多径影响，关于小波的matlab复合分析。
English Description：
Using least square fitting nonlinear equation MATLAB realization of interpolation and fitting, image texture feature in MATLAB, Multirate signal processing, consider shadow of rain attenuation and multipath effects on MATLAB Wavelet analysis of compound.