实现串口的数据采集，主要是基于mtlab的程序，包含优化类的几个简单示例程序，对信号进行频谱分析及滤波，数据模型归一化，模态振动，应用小区域方差对比，程序简单。- Achieve serial data acquisition, Mainly based on the mtlab procedures, Optimization class contains several simple sample programs, The signal spectral analysis and filt