此程序为采样频率同步，专门用于OFDM接收部分，用于定时同步-This procedure for the sampling frequency synchronization, specifically for the OFDM receiving section is used for timing synchronization

AD7606是16位，8通道同步采样模数数据采集系统。AD7606完全满足电力系统的要求，具有灵活的数字滤波器、2.5V基准电压源、基准电压缓冲以及高速串行和并行接口。它采用5V单电源供电，可以处理±10V和±5V真双极性输入信号、同时所有通道均能以高达200kSPS的吞吐率采样。-AD7606 16-bit, 8-channel simultaneous sampling analog-digital data acquisition system. AD7606 fully meet the

该代码实现了著名的为定时同步GARNDER算法。可以正确调整采样点的数据，对于全数字接收机的设计具有极大的参考价值。-This code implements GARDNER famous for timing synchronization algorithm. Correctly adjust the data sampling point for the design of all digital receiver has great reference value.