介绍OFDM的各种调制，延迟还有衰落环境下的文件程序编码-Introduced a variety of OFDM modulation, delay also documents the decline of environment procedures coding

在OFDM中采用4PSK调制的误码率仿真-4PSK modulation using simulation of the BER in OFDM

ofdm system simulation including 16qam modulation fft windowing modules plus cp, K-means clustering algorithm based on the PSO, Classic GLCM texture calculation method.