spnet

Simplicity code for heart sound

用粒子群算法（PSO）优化样本再拟合函数找出最大值(Using Particle Swarm Optimization (PSO) to find optimal maximum sample and then fitting function)

Function to draw epipolar lines

sliding mode control 1

计算齿轮齿面接触强度和齿根弯曲强度安全系数（GB）(Calculate the safety factors of gear tooth contact strength and tooth root bending strength based on GB)

WSN localization using Particle Swarm Optimization

2PSK，QPSK，MSK，QAM的调制方式鉴别，其中有符号速率的估计，频偏的估计，确定载频，并画出星座图，用simulink编写(2PSK, QPSK, MSK, QAM modulation scheme identification, including the estimated symbol rate, frequency offset estimate to determine the carrier frequency, and draw the constellations, written in simulink)

微分先行PID算法，MATLAB语言编写，仿真效果不错。(Differential first PID algorithm, MATLAB language, simulation results are good.)

卡尔曼滤波算法实现，Matlab语言算法研究，经典卡尔曼滤波算法，使用于航迹跟踪和外推。(Kalman filter algorithm, Matlab language algorithms, rest, thank you thank you)

dem差值计算，给定基础网格高程对相应空间迭代差值获得网格高程(dem difference calculation, given the appropriate space on the basis of the grid elevation difference of iterations to get the grid elevation)