基于分段非线性权重值的Pso算法，是小学期课程设计的题目，模拟数据分析处理的过程，用于信号特征提取、信号消噪，可以广泛的应用于数据预测及数据分析,对于初学matlab的同学会有帮助，在matlab环境中自动识别连通区域的大小,课程设计时编写的matlab程序代码。- Based on piecewise nonlinear weight value Pso algorithm, Is the topic of the elementary school stage curriculum design, Analog data analysis processing, For feature extraction, signal de-noising, Can be widely used in data analysis and forecast data, Matlab for beginner students will help, Automatic identification in the matlab environment the size of the connected area, Course designed to prepare the matlab program code.