matlab仿真DfSK及各种低通信号仿真

利用cp实现ofdm系统同步的malab程序-synchronous in the ofdm system by cp

用C和MALAB语言来构造LDPC码，可帮助理解两种语言的连接方法，内有BER性能仿真代码。-MALAB language with C and constructed LDPC codes, the connection method can help to understand two languages, there BER performance simulation code.