BPSK,QPSK,16QAM,64QAM调制，以及软比特提取，软比特信息输入译码器，进行软判决译码。-BPSK, QPSK, 16QAM, 64QAM modulation and soft bit extracting, soft bit information input to the decoder and conduct soft-decision decoding.

这是关于通信方面的，能够实现OFDM调制与解调，采用16QAM，事实上，阶数M是可以任意改变的-OFDM modulation and demodulation

包含BPSK，16QAM，64QAM，QPSK几种方式的调制和解调代码-Comprising BPSK, 16QAM, 64QAM, QPSK modulation and demodulation of several ways Codes

ofdm system simulation including 16qam modulation fft windowing modules plus cp, Partially achieved tracking speed iterative relaxation algorithm, NRZ type differential phase modulation signal modeling and simulation analysis.