这是我们现代通信原理课程设计时所写的一个关于模拟信号的调频（FM）、双边带调幅（DSB）程序，里面还有详细的报告。-This is our modern communication principles course design of a written about analog signals (FM), the frequency modulation (DSB) with bilateral program, with detailed report.

频率键控的程序，应用平台是matlab，文件格式为m文件-Frequency keying, application platform is matlab, file format for m file