关于基于训练序列的OFDM系统全面的同步算法仿真,包括定时同步,采样同步,载波同步,代码逐点执行,顶层文件为PLC_sync_test.m-Training sequence based on the OFDM system for synchronization algorithm simulation, including the timing synchronization, sampling synchronization, carrier synchronization, code-b