《Circuit analysis with MATLAB文献翻译.doc》由会员分享，可在线阅读，更多相关《Circuit analysis with MATLAB文献翻译.doc（6页珍藏版）》请在三一办公上搜索。
1、文献翻译英文原文：Circuit analysis with MATLABThe electrical appliances is becoming more and more important in todays world where computer technology, internet technology and communication technology are developing rapidly and peoples life has been greatly improved.Circuit analysis is a necessary course and
2、basic knowledge for electronic special student. It is the foundation of circuit maintenance and circuit application. As one of the most important subjects for an under-graduated student whos mayor in electronic information engineering, circuit analysis state for the professional capability. With the
3、 development of the circuit analysis field, circuits get more complicated and simulation technology using computer grown up. Dynamic circuit analysis is the most difficult, which takes time and a huge mount of manual work especially when circuit is complicated. So we uses the Matlab/Simulink simulat
4、ion tools and the power system block model library to make analysis on several simple circuit such as the alternating urgent steady-state circuit、direct current steady-state circuit and first-order dynamic circuit. The circuits are programmed by Matlab language and simulate it by Simulink tools. Alt
5、hough simulation by computer software can not replace the traditional way, it helps people to understand circuit analysis directly and effectively. By these tools，people can demonstrate the circuit performances and reduce complicated calculation. It makes us save a lot of work. During this process，w
6、e know how Matlab/Simulink work and show the advantage of Matlab/Simulink tools on circuit analysis，it turns out to be simple，convenience，efficient and flexible.MATLAB is a high-performance language for technical computing. It integrates computation, visualization, and programming in an easy-to-use
7、environment where problems and solutions are expressed in familiar mathematical notation. Typical uses include:1Math and computation2Algorithm development3Modeling, simulation, and prototyping4Data analysis, exploration, and visualization5Scientific and engineering graphics6Application development,
8、including graphical user interface buildingMATLAB is an interactive system whose basic data element is an array that does not require dimensioning. That allows you to solve many technical computing problems, especially those with matrix and vector formations in a fraction of the time, which would ta
9、ke a lot of time to write a program in a scalar non-interactive language such as C or FORTRAN.The name MATLAB stands for matrix laboratory. MATLAB was originally written to provide easy access to matrix software developed by the LINPACK and EISPACK projects. Today, MATLAB engines incorporate the LAP
10、ACK and BLAS libraries, embedding the state of the art in software for matrix computation.MATLAB has evolved over a period of years with input many users. In university environments, it is the standard instructional tool for introductory and advanced courses in mathematics, engineering, and science.
11、 In industry, MATLAB is the tool of choice for high-productivity research, development, and analysis.MATLAB features a family of add-on application-specific solutions called toolboxes. Very important to most users of MATLAB, toolboxes allow you to learn and apply specialized technology. Toolboxes ar
12、e comprehensive collections of MATLAB functions (M-files) that extend the MATLAB environment to solve particular classes of problem. Areas in which toolboxes are available include signal processing, control systems, neural networks, fuzzy logic, wavelets, simulation, and many others.The MATLAB syste
13、m consists of five main parts:Development environment. This is the set of tools and facilities that help you use MATLAB functions and files. Many of these tools are graphical user interfaces. It includes the MATLAB desktop and Command Windows, a command history, an editor and debugger, and browsers
14、for viewing help, the workspaces, files, and the search path.The MATLAB Mathematical Function Library. This is a vast collection of computational algorithms ranging from elementary functions like sum, sine, cosine, and complex arithmetic, to more sophisticated functions like matrix eigenvalue, Besse
15、l functions, and fast Fourier transforms.The MATLAB Language. This is a high-level matrix/array language with control flow statements, functions, data structures, input/output, and object-oriented programming features. It allows both “programming in the small” rapidly create quick and dirty throw-aw
16、ay programs, and “programming in the large” to create complete large and complex application programs.Graphics. MATLAB has extensive facilities for displaying vectors and matrices as graphs, as well as annotating and printing these graphs. It includes high-level functions for two-dimensional and thr
17、ee-dimensional data visualization, image processing, animation, and presentation graphics. It also includes low-level functions that allow you to fully customize the appearance of graphics as well as build complete graphical user interfaces on your MATLAB applications.The MATLAB Application Program
18、Interface(API). This is a library that allows you to write C and FORTRAN programs that interact with MATLAB. It include facilities for calling routines from MATLAB(dynamic linking), calling MATLAB as a computational engine, and for reading and writing MAT-files.In the circuit analysis the RLC two st
19、eps electric circuits analysis process is quite complex, and must make the response curve analysis system the performance index extremely to be also difficult. Moreover to the second-order differential equation solution also is quite troublesome, therefore causes the majority the schoolmate which st
20、udies this class when studies two steps electric circuits understands quite difficultly. But MATLAB is visible face science and engineering calculation large-scale outstanding science and technology application software, its sentence succinct, the function formidable, simple is practical, in the cir
21、cuit analysis, the computation has the widespread application. MATLAB provides massive and the rich built-in function, the highly effective succinct sentence, can meet each kind of needs which the electric circuit calculates, the MATLAB language permission plural number direct participation operatio
22、n, has satisfied the alternating-current circuit analysis, the computation demand. The MATLAB language may directly draw up the voltage, the electric current measures the chart, but measures the chart analyzes the alternating-current circuit essential important tool, is other computation language st
23、rength can not.参考译文：MATLAB与电路分析在当今世界，计算机技术，网络技术和通信技术正在迅猛的发展，人民的生活水平逐步提高，电子产品变得越来越重要。对于电子专业的学生来说电路分析是一门必要的课程和基础的知识技能，它是电路维护和电路应用的基础。对于那些专业为电子信息工程、职业能力为电路分析的本科学生来说，电路分析是最为重要的专业课程之一。随着电路分析领域的发展,电路变得越来越复杂,于是计算机仿真技术应运而生。动态电路的分析是最困难的，它不但耗费时间而且要花费很多的人工，尤其是当电路很复杂的时候。因此，我们采用了基于Matlab / Simulink仿真工具及电力系统块模型库，
24、来帮助我们分析几个简单的电路，比如交流稳态电路，直流稳态电路和一阶动态电路。这个电路通过Matlab语言进行编程,并由Simulink仿真工具进行仿真。虽然通过计算机仿真软件还不能取代传统的方式,但它能帮助人们更加直接和有效的理解电路分析。通过这些仿真工具,人们可以验证电路的性能，降低计算的复杂程度。它使我们节省了大量的工作（时间）。在整个电路仿真分析的过程中,我们知道了Matlab / Simulink软件包是如何工作的，并且展示了 Matlab / Simulink仿真工具在电路分析中的优越性，它被证明是简单的、方便的、有效率的和灵活的。MATLAB是一种用于工程计算的高性能的计算机编程语
25、言。它集数值计算、图形显示和编程于一体，构成了一个方便的、界面友好的用户环境。在这个环境下，所要求解的问题及其答案都采用我们熟悉的数学符号来表示。其典型应用包括：1 数值计算2 算法设计3 建模、仿真和造型4 数据分析、探测和显示5 科技和工程图形6. 应用开发（包括图形用户界面的建立）MATLAB 是一个交互式系统，它的基本数据元素是一个不要求预先定义维数的数组。这样我们就可以花费很少的时间去解决许多工程计算问题，特别是那些带有矩阵和矢量公式的问题，同样的问题如果要用非交互式语言比如C或Fortran来编程的话要花费很多时间。MATLAB 这个词表示矩阵实验室。起初MATLAB 是用来为LI
26、NPACK和EISPACK项目开发中的矩阵运算问题提供一种简易的求解方法。现如今，MATLAB引擎合并了LAPACK和BLAS库，将状态变量引入软件中用于矩阵运算。MATLAB 经过多年的发展，融入了许多用户的经验成果。在大学校园里，它已成为一门在数学、工程和科学领域的导论课和专业的标准教学工具。在工业生产领域，MATLAB也已成为高生产力的研究、开发和分析的首选工具。MATLAB的特色就在于它拥有一系列被称为工具箱的扩展工具，能够为专业应用领域的技术问题提供解答方案。对大多数MATLAB 用户来讲，十分重要的一点是，工具箱可以使你学习和应用专业技术。工具箱是将MATLAB环境扩展到解决特定领
27、域问题的MATLAB 函数（M 文件）的综合应用。目前工具箱已涉及到的领域包括信号处理，控制系统、神经网络、模糊控制、小波分析、仿真等。MATLAB 主要包括5部分：MATLAB 开发环境。这是一套可以帮助你使用MATLAB函数和文件的工具，这些工具中的大多数都采用图形用户界面，它包括MATLAB桌面和命令窗口、命令历史、编辑器和调试器、帮助浏览器、工作空间、文件和查询路径。MATLAB 数学函数库。这是一个涵盖了从求和、正弦、余弦这样一些基本函数，到矩阵求逆、矩阵特征值、贝赛尔函数和快速傅里叶变换等这样一些复杂函数的运算法则的大集合。MATLAB 语言。这是一种高级矩阵语言，它具有可以控制（
28、数据）流状态、函数、数据结构、输入输出和面向对象编程的特征。它允许快速创建小程序，也可以创建大的复杂的应用程序。图形处理。MATLAB 可方便地将矢量和矩阵用图形来显示，也可注释和打印图形。它包括一些高级（绘图）函数，这些高级函数可用于二维和三维数据可视化、图像处理、动画和图像再现。它也包括一些低级函数，可使用户定制图形界面和在你的MATLAB应用软件上创建完整的图形用户界面。MATLAB 应用程序接口。这是一个允许你将用C语言和Fortran语言编写好的程序与MATLAB程序链接的库，它可以从MATLAB动态链接库中调用程序、将MATLAB作为一个计算引擎、读或写MAT文件。在电路分析中RL
29、C 二阶电路的分析过程是比较复杂的，并且要做出响应曲线分析系统的性能指标也非常困难。而且对二阶微分方程的求解也是比较烦琐的，因此使得大多数正在学习这门课的同学在学习二阶电路时理解比较困难。而MATLAB是可视化的面向科学与工程计算的大型优秀科技应用软件, 其语句简练, 功能强大, 简单实用, 在电路分析与计算中有着广泛的应用。MATLAB 提供的大量而丰富的内部函数, 高效简洁的语句, 能满足电路计算的各种需要, MATLAB语言允许复数直接参与运算, 满足了交流电路分析、计算的需求。MATLAB 语言可以直接绘制电压、电流的相量图, 而相量图是分析交流电路必不可少的重要工具, 是其它计算语言所力不能及的。
