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 and demodulation.