PCA

根据已知的三维离散数据（x,y,z）,在MATLAB中利用此函数进行三维曲面拟合，再根据polyval2d得出拟合函数的系数矩阵。(according to 3D discrete datum (x,y,z),use this function in MATLAB to fit 3D surface, and use polyval2d to get coefficient matrix)

对系统辨识中白噪声信号的加入影响的分析，并进行在线辨识。(Identification of the system by adding white noise analysis of the impact of )

NSC program calculates BER of NSC

c++产生高斯白噪声，可用于通信或信号传输系统中，白噪声产生的程序调用(c++ generated Gaussian white noise, can be used for communication or signal transmission system, the white noise generated by the procedure call)

GM(1,1)模型的matlab编码，实用型(GM (1,1) model matlab coding, practical)

说明：  基于MATLAB和VC++,是两者很好的结合应用(Based on MATLAB and VC++, is a good combination of the two applications)

说明：  matlab 与 vc 混合编程 自带的例程(matlab and vc )

语音编码分类及编解码标准 G.711 G.721 G.729 GIPS比较(Speech coding and decoding standard classification. Txt G.711 G.721 G.729 GIPS)

matlab 教程(matlab tutorial)

仿真火车站的站场图，可以办理进路，显示信号机，单操，单锁道岔等功能(Simulation Station station map, you can handle into the road.)