这两个是通信中基本仿真程序，一个是单边带调幅和双边带调幅的对比，另一是使用希尔伯特滤波器进行的单边带振幅调制解调．-these are two basic communication simulation program, is a single-sideband AM band and bilateral AM contrast, Another is the use of Hilbert's single sideband filter amplitude modulation an

用希尔伯特变换计算瞬时特征的方法和采用小波变换的方法估计信号符号速率-Using Hilbert transform and Wavelet transform to estimate the symbol rate