downupSampling_byFactor2

this code make random sea wave and analysis their parameter

说明：  该matlab程序是一个小波包消噪程序，去噪效果明显，新手可以学习下(The matlab program is a wavelet packet de-noising procedure, de-noising effect is obvious, the novice can learn under)

Matlab code for Histogram Eqalization

虚拟激励法在汽车工程中的应用示例，可以求振动的功率谱密度。(THE APPLICATION OF MULTIPLE-POINT PSEUDO EXCITATION METHOD TO TRACKED AMBULANCE VIBRATION-REDUCTION SYSTEM RANDOM VIBRATION ANALYSIS)

Sharpness detection algorithm.

基于MATLAB的遗传算法优化程序的编程 每一步都有详细的说明(MATLAB-based genetic algorithm optimization process every step of programming detail)

说明：  例题运行步骤:在Matlab命令窗口将本章目录置于当前目录；在Matlab命令窗口的当前目录中打开本章目录中的M文件Exam.m；在Exam.m文件中，将待运行例题前的注释符号“ ”去掉，并保留其他例题前的注释符号“ ”；在命令窗口键入：Exam 并回车即可运行该例题。(Example run these steps: In the Matlab command window will be placed in this chapter directory the current directory in the Matlab command window to open the current directory in the directory of this chapter M files Exam.m in Exam.m file, will be run before the note symbol example &quot &quot removed and reserved comment symbol in front of the other examples, &quot &quot in the command window, type: Exam and press Enter to run the examples.)

能做电力系统仿真，风机接入电力系统的仿真计算(Do power system simulation, fan access to power system simulation)

This is about the code of polardb function to plot in polar coordinates

进行数据分析，帮助初学者掌握常用matlab算例，功能在于火箭推法(Data analysis to help beginners to master commonly matlab example, function is the rocket extrapolation)