IPswitch

returns the number of boundary segments for the P08 region

一个很好的学习图像处理的函数的例子程序，对于初级学习者来说，有很好的帮助，对于初学习者非常适合！(a good learning image processing function examples procedures for primary learners, good help, very suitable for early learners!)

compares ed for different wireless channels

经典粒子群算法的matlab实现。用函数进行测试实验，并给出算法寻优迭代的效果图(Classical PSO algorithm matlab. Experiments with test functions, and gives an iterative optimization algorithm renderings)

三相PWM整流器并网系统，包括锁相环，坐标变换，解耦控制算法，SPWM算法((Three-phase grid-connected systems, including phase-locked loop, coordinate transformation))

MATLAB图像分割函数的使用，只需要换一下具体的图像，即可使用(MATLAB image segmentation using a function, just want to change about the specific image, you can use)

发动机万有特性曲线的画法以及代码MATLAB(Engine universal characteristic curve drawing method and MATLAB code)

按照给定指标采用模拟低通滤波器（巴特沃思低通）去逼近理想模拟低通滤波器 ，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器 。(Indicators in accordance with a given analog low-pass filter (Butterworth low-pass) to approximate the ideal analog low-pass filter, and then through the bilinear transformation method of digitizing analog filters, the digital filter.)

说明：  此代码描述的是跳频系统在不采用两路分集的情况下的性能仿真，主要也是对误码率的仿真函数(This code describes the frequency-hopping system without two-way diversity in cases where performance simulation, is largely a function of the BER simulation)

雷达目标一维距离像仿真实验，以及多目标成像(Radar Target Range simulation, and multi-target imaging)