simulink-electrical-machine(1)

frequency modulation code written in matlab

基于粒子群算法的高速公路速度可变控制。可以用来仿真(Based on particle swarm optimization variable speed control of the highway. Simulation can be used to)

说明：  伪随机码或称PN码，是扩频通信中不可缺少的一种序列。扩频通信，简单的说来就是通过一组相关性很强的伪随机序列，使原有的信号按照伪随机序列的特性出现。从波形上看，原有信号完全淹没于随机的噪声中，达到隐藏信号和抗干扰的目的。接受方只要有相同的伪随机序列，就可以通过伪随机序列很强的相关性将信号还原出来。而m序列，是扩频系统中最长用的伪随机序列。下面的代码就是基于matlab的生成m序列的代码，通过改变初始多项式的值，就可以生成不同阶数的m序列。(Pseudo-random code or PN code, spread spectrum communication is indispensable to a sequence. Spread spectrum communication, a simple to say that the adoption of a group of highly related to pseudo-random sequence, so that the original signal in accordance with the characteristics of pseudo-random sequence there. From the wave point of view, the original signal completely submerged in the random noise to hide the purpose of signal and interference. As long as the recipient has the same pseudo-random sequence, the pseudo-random sequence can be a strong correlation to restore the signal out. And m sequence spread spectrum system is the longest of the pseudo-random sequence used. The following code is generated based on m sequences of matlab code, by changing the value of the initial polynomial, we can generate a different order of the m sequence.)

翼型的优化算法，运用matlab编程，使用wilson和遗传法(Airfoil optimization algorithm, using matlab programming, the use of Wilson and genetic method)

多星座导航系统GDOP递推特性的仿真程序,程序主要是争对在现有系统中增加2颗现有星座的可见星时GDOP的变化情况组合仿真(GDOP combination of changes in multi-constellation navigation system simulation GDOP recursive feature of the simulation program, the program mainly to fight for increased two existing constellation of visible stars in the existing system)

This is a matlab file for constellation of an 8psk modulation

vrp code with ant colony in matlab

dc motor model in simulink

进行时频变换的工具箱，包含几十种时频变换算法的源程序(time frequency analysis box)

说明：  draw a signal with its envelope