使用OFDM的信道估计，采用迫零均衡，进行频域单抽头均衡-Using OFDM channel estimation, zero forcing equalization algorithm, the frequency domain one-tap equalizer

ofdm 传输与接受的各项例子 -OFDM Receiver 1. Initalize the USRP setting the RX parameters and moving the LO outside the transmission band. 2. Generate random data bits (PN Sequence) (125 bits) 3. Use the Van De Beek algorithm to detect the cyclic prefix