摘要： 接触循环签注这个概念已经有一段时间，但是一直没有去思考过。今天想整理一下。维基百科里面讲得比较清晰。Intelecommunications, the termcyclic prefixrefers to the prefixing of asymbolwith a repetition of the end. Although the receiver is typically configured to discard the cyclic prefix samples, the cyclic prefix serves two purposes.As aguard interval, i 阅读全文