实现了光OFDM模块的各个功能，同时仿真分析了OFDM的载波幅度谱、相位谱、每个载波对应的时域信号、整个时域/频域的OFDM、每个接收符号的分布图。计算了相位差-To achieve the various functions of the optical OFDM module, the simulation analysis of the the the OFDM carrier amplitude spectrum and phase spectrum, and the time doma