中文说明： 对球谐函数图形进行仿真,模拟数据分析处理的过程，最小二乘回归分析算法，GSM中GMSK调制信号的产生，基于小波变换的数字水印算法matlab代码，是一种双隐层反向传播神经网络。
English Description：
Simulation of spherical harmonic function, simulation and data analysis process, least-squares regression analysis method, GSM GMSK modulation in signal generation, digital watermarking algorithm based on wavelet transform Matlab code is a kind of back-propagation neural network with double hidden layer.