产生2^5的二进制PRBS信号，编码成单极性NRZ,RZ信号并绘制出波形，把2^5的PRBS信息码编码成HDB3码和差分双向码并绘制出波形(The binary PRBS signal generated by 2^5 is coded into unipolar NRZ, RZ signal, and the waveform is plotted. The PRBS information code of 2^5 is encoded into HDB3 code and different

单、双极性归零码仿真; AMI码和HDB3码仿真; 采用2DPSK调制的数字通信系统(Single and double polarity return zero code simulation; AMI code and HDB3 code simulation; Digital communication system using 2DPSK modulation)