用来进行双边带幅度调制DSB_AM的MATLAB源程序。-Demonstration scr ipt for DSB-AM. The message signal is+1 for 0 < t < t0/3,-2 for t0/3 < t < 2t0/3, and zero otherwise.actually means Rx(m-1).

用matlab中dsp builder做的正选信号发生器，仿真成功。编译后可下载到quartus2中，供学习参考。-Using matlab dsp builder to do in an AM modulator successful simulation. Compiled can be downloaded to quartus2, the reference for the study.

根据官网手册，用matlab中dsp builder做的AM调制器例子，仿真成功。编译后可下载到quartus2中，供学习参考。-According to the official website manual, using matlab to do in dsp builder AM modulator examples of successful simulation. Compiled can be downloaded to quartus2, the reference for the

利用MATLAB gui 编的短波通信系统，录制一段语音信号，分别通过AM SSB DSB 等调制信号，加入噪声，然后解调出来，可比较各种调制解调方式的优劣。-Use MATLAB gui compiled shortwave communication system, record a voice signal, respectively, by AM SSB DSB modulated signal, etc., added noise, then demodulated, you can