perimeter_md

三相短路计算程序，计算任意地点三相短路后各支路电流和各节点电压(Three phase short circuit calculation program-After the three-phase short circuit in arbitrary locations, the current of each branch and the voltage of each node can be abtained.)

A matlab tutorial to design PMSM motor speed control systems

三维地质雷达正演模拟,可以对二进制数据读取，利于学习(3D GPR simulation)

基于最小均方差（MSE）的ASC 旁瓣对消波束成形算法的MATLAB实现(MATLAB-based minimum mean squared error (MSE) of ASC sidelobe cancellation algorithm to achieve beamforming)

Matlab Tips and Tricks Gabriel Peyré

这两个代码是用贝努利法求方程的最大实根和最小实根，方程只要是标准形式输入参数就可以调用此MATLAB函数(These two functions which are writtern by Matlab can solve out the max and min root through the Benvli method.)

这是一维电测深及半自动反演程序，进行直流电一维正反演，(This is a one-dimensional inversion of resistivity sounding and semi-automatic procedure, the DC one-dimensional inversion,)

ABAQUS uhard子程序的相关资料介绍，可以用来学习ABAQUS(Uhard ABAQUS subroutine of the relevant information, can be used to learn ABAQUS)

说明：  用简正波方法进行声场计算的karaken程序(karaken program for acoustic field caculation by nomal mode method)

sobel算子，边缘检测算法，对初学者有参考作用(sobel operator, the edge detection algorithm, a useful reference for beginners)