用java实现AMI，HDB3，双相码，差分双相码和CMI编码。(Java is used to implement AMI, HDB3, biphase code, differential biphase code and CMI coding.)

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)

% 利用伪随机二进制序列产生单极性NRZ，RZ波形 % 并且对2^5的PRBS的信息码编码成AIM码间接编码HDB3码和CDP（差分双向码）(Generation of unipolar NRZ, RZ waveforms using pseudo-random binary sequences % and encode the PRBS information code of 2 ^ 5 into AIM code, indirectly encode HDB3 code and CDP