MATLAB calculate

用matlab画正玄函数的图形以及变化，包括FFT 加白噪声。(Matlab draw with the graphics functions are mysterious as well as the changes, including FFT plus white noise.)

在数值微积分中讨论并比较了没有初等函数解析式情况下的 定积分数值逼近的(Discussed in the numerical integration and compared the analytic situation is not under the primary function of integral numerical approximation of the rectangular method, trapezoidal method, Simpson' s method and Coates law)

在带限信道信号传输的仿真。仿真4PAM调制信号在AWGN信道下的性能，画出误比特率和误符号率。 (In the band-limited signal transmission channel in the simulation. Simulation 4PAM modulated signal in AWGN channel performance.)

Buck变换器是最常用的变换器，工程上常用的拓扑如正激、半桥、全桥、推挽等也属于Buck族，其中Buck变换器补偿网络设计，是开关电源的重要研究课题，本文将针对基于PI控制方式的4A开关电源进行设计和Multisim的仿真研究。(Buck converter is the most commonly used converter on the topology of the project, such as forward, half bridge, full bridge, push-pull, the Buck family, Buck Converter compensation network design is an important research topic of the switching power supply, this paper4A-based PI control switching power supply design and Multisim simulation study)

一个雷达回波模拟的matlab程序包,含有在RCS服从卡方分布,瑞利分布,对数正态分布下目标的的雷达散射截面模拟子程序，(Matlab simulation of a radar package, containing the RCS subject to chi-square distribution, Rayleigh distribution, lognormal distribution of the target' s radar cross section simulation subroutine,)

雷达回波信号分析，对于雷达方向专业的初学者有借鉴经验，程序可读性比较好。(It useful for the new learner)

说明：  用MATLAB对一语音信号进行小波分解，然后对其各层系数进行处理以达到小波抑制的目的，重构处理后的信号，画出波形分析。(MATLAB to a voice signal wavelet decomposition, its floors coefficient then processed to achieve the purpose of inhibiting Wavelet, reconstruction after the signal waveform analysis paint.)

《MATLAB神经网络超级学习手册》随书光盘，《MATLAB神经网络超级学习手册》以神经网络结构为主线，以学习算法为副线，结合各种实例，目的是使读者易看懂、会应用。本书是一本简明介绍MATLAB神经网络设计技能的综合性用书。《MATLAB神经网络超级学习手册》深入浅出，实例引导，讲解详实，既可以作为高等院校理工科的研究生、本科生的教材，也可作为广大科研工程技术人员的参考用书。( MATLAB neural network super learning Handbook CD with the book, MATLAB neural network super learning manual to the neural network structure of the main line, as Vice-line learning algorithm, combined with a variety of examples is intended to enable readers to easily understand, will be applied. This book is a brief introduction to MATLAB neural network design skills and comprehensive book. MATLAB neural network super learning Handbook in layman s language, examples guidance, detailed explanation, either as colleges of science and engineering graduate students, undergraduate teaching, but also can be used as a reference the majority of scientific engineering and technical personnel of the book.)

本书从Matlab的基础知识入手，在详细介绍各种命令的同时，向读者介绍Matlab在高等数学，线型代数、符号运算、图形图象处理、数据处理等方面的应用和外部接口程序设计。(This book from the start with a basic knowledge of Matlab, in detail the various commands at the same time, to introduce readers to Matlab in higher mathematics, linear algebra, symbolic computation, graphics, image processing, data processing applications and external interface programming.)

It is Short Time Fourier Transform Codes, which can be used for ISAR Imaging