这是一个定点的多带OFDM物理层发射机/接收机模型,共122个子载波，22个导频，采用QPSK调制,5/8前向纠错码(删余卷积码.)-This is a sentinel of the multi-band OFDM physical layer transmitter / receiver model, a total of 122 sub-carrier. 22 pilots, using QPSK modulation, 5 / 8 prior to the error-correctin

纠错码,对网络传输数据进行纠错，还原原本正确的传输数据，从而达到传输的正确性-Error correction code, the error correction data transmitted on the network, to restore the original transmission data correctly, so as to achieve the accuracy of transmission

bch 编码,解码程序,可以对任意长度的信息添加纠错码,()