给出了几种OFDM仿真的源程序，包括传输误码率与信噪比的关系图等。-given several OFDM simulation of the source, including transmission error rate and SNR map of the relationship.

该源码可实现16QAM的调制解调功能，包括串并转换、二/四进制变换，并完成相干解调。给出信噪比与误码率关系仿真结果。通过输出星座图的形式直观的观察调制解调性能-The source can be realized 16QAM modulation and demodulation, including string and conversion, two/quaternary conversion and complete coherent demodulation. Given the rel