用MATLAB对OFDM进行仿真，做ofdm仿真很简单，产生一个序列，用ifft转换到时域，加上噪声，再用fft转换到频域，比较下，计算误码-OFDM simulation using MATLAB, do ofdm simulation is very simple to generate a sequence, use ifft into the time domain, plus noise and then converted to the frequency domain fft A