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, the subject requires students to analyze mutations in the signal characteristics on the basis of research on the advantages and disadvantages of different algorithms mutant signal detection.