此为频偏校正程序,通过TD_GG算法得到的频偏值还存在几赫兹的残余频偏，这里，我们可以通过反馈算法进行校正，以得到更加精确的频偏值。-for this frequency offset correction procedure for the adoption of the algorithm TD_GG Frequency values still exist remnants of a few hertz frequency offset, here, we can pass feedbac

频偏校正估频算法的实现，Matlab函数。-Estimated frequency offset correction algorithm, Matlab function.

scr ipt for performance measurements for Carrier and Sampling Frequency Offset Correction in OFDM Systems