信源产生、信道编码、调制、信道传输、解调、信道译码、差错比较等通信过程的Simulink仿真方法。分析几种调制方式（2FSK、2PSK、QPSK、16PSK、16QAM）在不同信噪比下的通信质量。-Generated source, channel coding, modulation, channel transmission, demodulation, channel decoding, error comparison of the communication process of th

2PSK，QPSK，MSK，QAM的调制方式鉴别，其中有符号速率的估计，频偏的估计，确定载频，并画出星座图，用simulink编写-2PSK, QPSK, MSK, QAM modulation scheme identification, including the estimated symbol rate, frequency offset estimate to determine the carrier frequency, and draw the constellations, w