实现串口的数据采集，主要为数据分析和统计，基于分段非线性权重值的Pso算法，用于信号特征提取、信号消噪，鲁棒性好，性能优越。- Achieve serial data acquisition, Mainly for data analysis and statistics, Based on piecewise nonlinear weight value Pso algorithm, For feature extraction, signal de-noising, Robustness,