question4

说明：  多元线性分析，之聚类分析原理资料2（与1不同）(Multiple linear analysis, the principle of cluster analysis data 2)

object-oriented programming

利用retinex理论对雾霾天气下的图像进行去雾处理，达到图像增强的效果(Retinex theory use images under fog and haze were treated to fog, to image enhancement effect)

gui设计,在开发各类软件之前可以帮助人们设计软件，并展示设计效果，更好的促进软件研制.(GUI design ，can help you to design GUI,and may help you to show what you will do,so It is more usful to you!)

计算循环平稳信号的3阶累积量，用于信号检测方面的,用在高阶谱估计中,很有用的函数 (Cyclostationary signals calculated 3-order cumulant for the area of signal detection, spectrum estimation in high-end, the very useful function)

this code for fingerprint detection

利用類神經網路對Schwefel22測試函數建立模型，為此Schwefel22函數設立4個變數，模擬資料100筆，測試資料50筆，並將上述資料以倒傳遞類神經網路MATLAB2013a軟體，利用其具有學習及記憶能力加以訓練及測試(The use of neural network modeling of Schwefel22 test functions, established for this purpose Schwefel22 function four variables, simulation data 100 pen, 50 pen test data, and these data to back-propagation neural network MATLAB2013a software, the use of which has learning and the ability to be trained and tested memory)

矩形波的产生，分三个步骤，第一步先产生矩形波，然后画出产生矩形波的源代码 (Rectangular wave generated in three steps, the first step to produce the rectangular wave, and then draw rectangular wave generated source code)

matlab实用程序百例 matlab实用程序百例(matlab Utility Utility matlab 100 cases 100 cases)

说明：  matlab中位值滤波，可以对连续信号进行中位值滤波(matlab median filter, the signal can be continuous median filter)