有循环检测，周期性检测，在matlab环境中自动识别连通区域的大小,处理信号的时频分析，应用小区域方差对比，程序简单，课程设计时编写的matlab程序代码，保证准确无误，是学习通信的好帮手。- There are cycle detection, periodic testing, Automatic identification in the matlab environment the size of the connected area, When processing a signal