包含位置式PID算法、积分分离式PID，用于信号特征提取、信号消噪，多目标跟踪的粒子滤波器，基于SVPWM的三电平逆变的matlab仿真，BP神经网络用于函数拟合与模式识别，相控阵天线的方向图（切比雪夫加权）。-It contains positional PID algorithm, integral separate PID, For feature extraction, signal de-noising, Multi-target tracking particle filter, Based on SVPWM three-level inverter matlab simulation, BP neural network function fitting and pattern recognition, Phased array antenna pattern (Chebyshev weights).