在信号的正常获取中，信号发生突变的时间对于工程有很重要的意义，对其进行研究有一定的实用价值。故该课题要求同学在分析突变信号的特点基础上，研究不同算法在突变信号检测上的优缺点。-In normal access to the signal, the signal time for engineering mutations have very important significance, there are some practical value to study it. Therefore,