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信号与系统仿真实验~共有6个实验~含代码和部分截图(Signal and System Simulation Experiments ~ ~ There are 6 parts with code and screenshots)

很好的matlab学习资料，由浅到深的解析，附带源码(Matlab good learning materials, from shallow to deep analysis, with source code)

the document i am uploading is a file of the science direect and my package ia about communication

psotrain is a matlab file to use so as as to get a look on the PSO training

说明：  matlab编程，用于计算电力系统短路潮流，源代码提供在这里，希望供大家参考(Matlab programming used in the calculation of the power system short-circuit the trend, the source code available here, for your reference)

几种时延估计算法，包括广义相关法，二次相关法，循环谱相干法等(Time delay estimation of cyclic cross-correlation method, based on steady signal cycle characteristics of several time delay estimation algorithms, including the generalized correlation method, quadratic correlation method, cyclic spectral correlation method, etc)

说明：  simulink搭建的无刷双馈电机控制的矢量控制(Brushless doubly-fed machine control)

说明：  采用栅格对机器人的工作空间进行划分，再利用优化算法对机器人路径优化，是采用智能算法求最优路径的一个经典问题。目前，采用蚁群算法在栅格地图上进行路径优化取得比较好的效果，而利用遗传算法在栅格地图上进行路径优化在算法显得更加难以实现。 利用遗传算法处理栅格地图的机器人路径规划的难点主要包括：1保证路径不间断，2保证路径不穿过障碍。 用遗传算法解决优化问题时的步骤是固定的，就是种群初始化，选择，交叉，变异，适应度计算这样，那么下面我就说一下遗传算法求栅格地图中机器人路径规划在每个步骤的问题、难点以及解决办法。(It is a classical problem to divide the workspace of the robot by grids and optimize the path of the robot by using optimization algorithm. At present, the ant colony algorithm is used to optimize the path on the grid map, and the genetic algorithm is used to optimize the path on the grid map, which is more difficult to achieve. The difficulties of using genetic algorithm to deal with the path planning of robot on raster map mainly include: 1. guaranteeing that the path is uninterrupted, 2. guaranteeing that the path does not cross obstacles. The steps of genetic algorithm in solving optimization problems are fixed, that is, population initialization, selection, crossover, mutation, fitness calculation. Then I will talk about the problems, difficulties and solutions of genetic algorithm in each step of robot path planning in raster map.)

说明：  根据蝙蝠回声定位原理，建立的基本蝙蝠算法过程，可有效解决全局性优化。(According to the principle of echolocation of bats, the basic bat algorithm process established can effectively solve the global optimization.)

butterworth高通滤波，里面有两个巴特沃斯高通滤波函数，我试过了，都可以用。(butterworth high-pass filtering, there are two high-pass Butterworth filter function, I tried, you can use.)