% 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