该程序实现多特征红线报警算法，两个matlab文件，一个为函数，另一个为主函数，调用该函数文件；该程序将4路信号，每一路信号的特征量值及其固定阈值求出来，并一起画出图来。-The program features multi-red alarm algorithm, two matlab files, one for function, the other main function calls the function file　the program seek out four signals　characteristics of each road and fixed threshold value ,then draw them out .