中文说明：
clip&Filter，PTS和SLM三种降低PAPR的方法以及其优化算法，代码简单，注释丰富，绝对可以运行，有很大的参考价值。
English Description：
clip& Filter, PTS and SLM three methods to reduce PAPR and their optimization algorithms have simple code and rich comments. They can definitely run and have great reference value