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MATLAB是一套功能十分强大的工程计算及数据分析软件,具有友好的可视化编程界面及接近数学表达式的自然化语言。针对信号与系统中傅里叶变换具有抽象度高、难于理解的特点，利用MATLAB强大的信号处理功能、阶跃响应，微分方程，卷积定理的内容，通过MATLAB 程序实现。本文介绍了MATLAB在信号与系统仿真中的应用,该软件在通信电子类课程中应用越来越广泛,通过几个典型实例来重点研究。 关键词：MATLAB；阶跃响应；微分方程；卷积；信号与系统；仿真 (MATLAB is a very powerful engineering calculations and data analysis software, with a friendly interface and visual programming language close to naturalizing mathematical expressions. For the Fourier transform of signals and systems with a high degree of abstraction, it is difficult to understand the characteristics, the use of the powerful MATLAB signal processing functions, step response, convolution theorem content differential equations by MATLAB program. This article describes the application of MATLAB in signal and system simulation, the software in the electronic communications courses in applied more widely, by focusing on a few typical examples. Keywords: MATLAB step response signals and systems convolution differential equation simulation )

Gabor-function convolution masks are increasingly used in image processing and computer vision. This function simply computes the cosine and sine masks for a given width, period and orientation. The masks returned are properly normalised. It is not highly optimised - e.g. the symmetries are not used to reduce the computation. It is recommended that convolutions with these masks are done using CONVOLVE2 (available from Matlab File Exchange) to take advantage of their low rank. (Gabor-function convolution masks are increasingly used in image processing and computer vision. This function simply computes the cosine and sine masks for a given width, period and orientation. The masks returned are properly normalised. It is not highly optimised- e.g. the symmetries are not used to reduce the computation. It is recommended that convolutions with these masks are done using CONVOLVE2 (available from Matlab File Exchange) to take advantage of their low rank. )

说明：  巴特沃思滤波器matlab程序，是本人提交的作业．(Butterworth filter Matlab process, I submit work.)

这是一个由我本人亲自编写的提取图像特定部分的MATLAB程序。通过使用这个函数，你可以轻而易举地将图像的特定位置用白色矩形线框加以圈定、显示。(If you want to circle the specific area of an image, this little program is much more practical and convenient, thus will help you to mark any area of the image with with rectangle.)

网上找的，比较全面的alpha稳定分布的matlab程序(Find online, more comprehensive alpha stable distribution matlab program)

Stochastic resonance，SR）的概念最初是由Benzi等人提出并用于解释第四纪冰川问题，此后用于描述一种现象──非线性系统中内噪声或外噪声的存在可以增加系统输出的响应。这里一共有在网上下载的一共7种不同的程序，供大家分析参考(The concept of Stochastic resonance (SR) was first proposed by Benzi et al. And used to explain Quaternary glaciation. After that, it is used to describe a phenomenon -- the presence of internal noise or external noise in nonlinear system can increase the response of the system output. There are a total of 7 different programs available for download on the Internet for people to analyze and refer to)

关于网络编码算法研究的文章，对研究者有一定参考价值(Network coding algorithm on the article, a certain reference value to researchers)

基于MATLAB的电力系统潮流计算模块 (MATLAB-based Power Flow Calculation of Power System Module)

<<多采样系统>>原书配套程序，做多采样系统的同志们可以参考开发！系统是原作者开发的，只是界面未汉化！(Mutiratensysteme Abtastratenumsetzung und digitale Filterbanke.It was written by the book writer! The iterface is not be translated into Chinese!)

image encryption and decryption using mckba algorithm