中文说明：是信号处理的基础，利用最小二乘法进行拟合多元非线性方程，应用小区域方差对比，程序简单，MIT人工智能实验室的目标识别的源码,最小二乘回归分析算法，matlab小波分析程序。
English Description：
Is the basis for the signal processing, using the method of least squares fitting multivariate nonlinear equation, application of small regional variance contrast, the program is simple, MIT Artificial Intelligence Laboratory Identification of the target source, least squares regression analysis algorithm, matlab wavelet analysis procedures.