Conduction_2d

小波包的数字水印watermarking (watermarking )

4次牛顿差值多项式的matlab实现 数值分析实习作业(4 Newton polynomial difference)

首先从视频中提取100张图片，用其中五十张图片根据平均值法获得背景图片，然后做差，二值化，提取目标。(First, extracting 100 images from the video ,using fifty pictures to obtain the background image with the method of average. Then frame difference, binary, extracting the target. )

说明：  指纹识别例子和源代码，对于模式识别、人工智能研究者有一定帮助(Fingerprint identification example and source code, for pattern recognition, artificial intelligence researchers have help )

说明：  MATLAB SAR工具箱是一个基本的MATLAB库，用于使用NGA[SICD]格式读取、写入、显示和简单处理复杂的合成孔径雷达数据。NGA已经发布了这一标准，以鼓励在整个国际SAR界使用SAR数据标准。Matlab SAR工具箱补充了[六库]，它们以其他语言实现，但具有相似的目标。(The MATLAB SAR Toolbox is a basic MATLAB library to read, write, display, and do simple processing of complex SAR data using the NGA [SICD] format. It has been released by NGA to encourage the use of SAR data standards throughout the international SAR community. The MATLAB SAR Toolbox complements the [SIX library], which are implemented in other languages but have similar goals.)

试用时域最小平方误差准则（最小平方逆设计）设计一个具有四项系数的IIR DF的系统函数，使其在y(n)=[3,2,1]输入激励下，输出v(n)逼近d(n)=[2,0.2,0.05]。令v(-1)=v(-2)=0。求出v(n)的前8个样值与d(n)进行比较。用matlab实现了此要求。(trial at the least square error domain guidelines (minimum inverse square design) design with a four DF IIR coefficient of the system function, so in y (n) = [3,2,1] incentive to import, export v (n) approximation d (n) = [2,0.2,0.05]. So v (1) = v (2) = 0. Get v (n) of eight samples value d (n) comparisons. Using Matlab realization of this request.)

MATLAB Code to observe the variations in q-axis and d-axis stator currents with change in stator voltage for a three phase induction motor

butt,cheb1,cheb2,elip四种常见的IIR滤波器使用小例子(butt, cheb1, cheb2, elip four common small example of the use of IIR filters)

一个MATLAB的中文帮助文档，方便你在编程过程中查询各个函数的意义！(A help document for MATLAB，very usefull for you use the MATLAB！)

直扩与跳频的调制解调过程在CDMA的具体实现(DS and FH CDMA modulation and demodulation process in a concrete realization)