该程序基于labview2012研发，利用希尔伯特变换实现提取信号的包络。一部分是对AM信号的仿真实验，另一部分是其通用形式，只需拷贝到自己的引用程序中即可。-The program is based on the labview2012 , the use of the Hilbert transform to extract the signal envelope. Part of the AM signal simulation, another part is in its generi