二阶椭圆型偏微分方程求解程序

一个关于无网格法的一维程序，对于刚学习无网格法的人来讲是比较基础易懂的。(it is a file about messless)

sample FFT Analyser using matlab. using cos and sin function.

说明：  通过BLS-GSM方法去除影像的噪声，达到保留细节目的(The image noise is removed by BLS-GSM method to preserve details.)

内点罚函数法，求解最优化问题规划，适用于mantlb程序(Interior point penalty function method for solving optimization problems planning procedures applicable to mantlb)

天线原理中,计算偶极子天线不同配置下的互阻抗程序(Antenna theory, computing mutual impedance dipole antenna configuration under different procedures)

logistic混沌产生过程，产生周期解的过程。(logistic chaos generation process, generating process of periodic solutions.)

自己写的卡尔曼滤波源程序，仿真对匀加速转弯目标的跟踪(Write their own source of Kalman filter, simulation of the absorption curve to accelerate target tracking)

Tool for compress and decompress for image, using differential coding prediction

在matlab simulink中建立动态相量分析模块，并对信号进行动态相量分析，验证其有效性(the dynamic phasor analysis module is built at matlab simulink, a signal s dynamic phasor is analized to test this module)

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 )