这是一个Android应用程序，他使用了OpenCV来实现特征跟踪和人脸识别-This is an example of Android application using OpenCV for feature tracking and face recognition.

matlab实现的阶次分析算法，用于变转速机械故障特征提取，可运行，包含寻找脉冲时刻，等角度时刻，数字跟踪滤波，样条差值等步骤(The order analysis algorithm realized by Matlab is used to extract the fault features of variable speed machinery. It can be operated, including the steps of finding impulse moment, equa