中文说明：主要对正交频分复用OFDM系统进行仿真。OFDM系统具有良好的抗多径性能，且能够进行高速率数据的传输。作为第四代通信系统的核心技术。其特点越来越受当下的关注。因此，本程序对其进行详细的仿真。
English Description：
The OFDM system is simulated. OFDM system has good anti multipath performance, and can carry out high-speed data transmission. As the core technology of the fourth generation communication system. Its characteristics are getting more and more attention. Therefore, this program carries on the detailed simulation to it.