中文说明：一个简单的OFDM程序，有IFFT/FFT，QPSK调制解调，加入了高斯噪声，加入循环前缀。并且每行程序都有的详细注释，简单易懂。扩展性比较强，可以改写成自己的代码。
English Description：
A simple OFDM program, IFFT/FFT,QPSK modulation, demodulation, joined the Gaussian noise added cyclic prefix. And programs each have detailed notes, simple and easy to understand. Extensibility is quite strong, can you make writing your own code.