Stepping01

中心极限定理的验证，三种独立分布具有同样的均值与方差，大量叠加后分布趋于正态(Central limit theorem verification, three kinds of independent distribution has the same mean and variance, a large number of superimposed normal after the distribution tends)

2fsk的解调C语言实现，该程序实现2fsk的解调(2fsk demodulation C language, the program 2fsk demodulation)

C++ 生成画图数据，main函数开启matlab engine，分配存储空间，绘图(C++ calls matlab engine to plot graphics)

VC++下调用matlab图形库函数进行绘图并显示到VC的图形界面中。(VC call Matlab graphics library functions and mapping indicates that the VC graphics interface.)

vc调用matlab dll 读xls内容(vc call the matlab dll reading xls content)

说明：  为了降低卫星链路在恶劣天气下对信号严重的衰减，选择一种好的信道编码对保证信号的质量具有重要的意义(THE SATELLITE COMUNICATION SYSTEM LINK DESIGN BASED ON VSAT)

HUFFMAN TREE的编码源代码 实测可用 适合初学者使用(HUFFMAN TREE actual source code is available for beginners)

matlab绘制阵列正六边形。采用坐标方法。(Draw a regular hexagon array matlab. Using coordinate methods.)

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)

Matlab 工具，各类积分，二次定积分，gquad2dggen等(Matlab tool, all kinds of points, the second definite integral, gquad2dggen etc.)