CONTENTS

说明：  基于建筑抗震设计规范的反应谱（地震影响系数曲线）(Response Spectrum based on anti-seismic code for buildings)

说明：  在matlab下用神经网络来识别数字1到9(matlab number recognition)

matlab节点电压法算电路电压，很简单的学习资料(matlab calculating circuit voltage of the node voltage method, a very simple learning materials)

说明：  包含两个灰色预测模型的MATLAB代码实现。1.灰色预测GM（1，1）模型。2.改变初始条件，以1-AGO序列的最后一个数据为初始条件的灰色预测模型。(Contains two gray prediction model matlab code. 1. Grey Prediction GM (1,1) model. 2. Change the initial condition, take the last data of 1-AGO series as the initial condition of grey prediction model.)

this is simulation 16QAM modulation in additive white gaussian noise channel

计算图像中的欧拉数，经典代码，采用matlab实现，可以熟悉欧拉数的求法，及相关MATLAB函数的用法，带图片可测试。(calculated image of Euler number, classic code using Matlab realized, could familiar with the Euler number for the law, MATLAB functions and related usage, with pictures can be tested.)

This code is used to get the freeman code chain of a boundary image. You can use it in image fusion,registration or else

基于MATLAB的PID控制器参数整定及仿真(PID controller parameter tuning based on MATLAB and Simulation)

杨氏双缝，光的干涉实验，matlab仿真，采用滑动块改变参数，可视化输出，GUI界面(Young s double-slit, optical interference experiments, matlab simulation, using the sliding block to change the parameters, visual output, GUI interface)

基于matlab运用小波变换的方法实现对程序中引入的红外图像的去噪处理(Wavelet transform method is used to denoise processing based on matlab for the infrared image that is introduced in the program. )