Pictures_Hiding

计算了沿CMPL厚度方向，可以看出，CMPL的界面从第一个网格移动了1/4个网格，这是为了保证，CMPL更新的电场和磁场的数目相同。(The thickness direction along CMPL is calculated.It can be seen that the interface of CMPL moves 1/4 of the grid from the first grid to ensure that the number of electric and magnetic fields updated by CMPL is the same.)

时频分析工具箱 内有魏格纳时频分布 Gabor 表示等(Time-Frequency Analysis Toolbox)

Using magic time-step in a one-dimensional FDTD grid, implement total-field/scattered-field wave-source condition

Parallel active power filter

此系统包含多种数字信号调制，使用方便，特别适用于初学者！(Welcome to domnloads my code !thank you !)

说明：  实现了用超声波测量以及形成图像 对相关信号进行模拟仿真(Achieved the formation of images using ultrasound measurements, and simulation of the relevant signals)

 它是以简明方法写就的一本易于掌握的数学手册；  编写逻辑性强，内容由浅入深，对于初学者能很快掌握MATLAB的用法；  易于查找命令和问题，给读者灵感与启迪，以解决实际问题；  对每一条命令，都进行了详细论述；  对于每一条命令，几乎都有易懂的实例；  内容按数学分类进行描述。 ( It is a simple way to write on the one easy to learn math handbook  write logic is strong, the contents of Deep and MATLAB for beginners to quickly master the use of  easy to find commands and questions, giving the reader inspiration and inspiration to solve practical problems  on each order, are discussed in detail  For each command, almost all examples of easy to understand  content described by mathematical classification.)

通过光速不变原理介绍相对论时间膨胀公式和长度收缩效应公式，并举例进行了说明。用曲线显示时间膨胀与物体速度的关系，显示长度收缩与物体速度的关系。(Through the principle of constancy of light, relativistic time dilation formula and length contraction effect formula, and examples are described. Curve shows the time dilation and the speed of the object, showing the length contraction and the speed of the object.)

基于二阶泛模型的无模型自适应控制及参数整定，充分利用无模型自适应控制边建模边控制的特点，推导基于二阶泛模型的改进无模型自适应控制，应用辨识出的近似模型针对不同目标函数进行优化(Pan model based on second order approximation model of model-free adaptive control and parameter tuning, make full use of model-free adaptive control side edge control modeling features derived model-free adaptive control model based on improved second-order pan, identify the application The objective function to be optimized for different)

本文含有所有matlab神经网络工具箱函数，并有解释(This article contains all the matlab neural network toolbox function, and to explain)