外文翻譯--matlab與電路分析

1、<p><b>　　文獻翻譯</b></p><p><b>　　英文原文：</b></p><p>　　Circuit analysis with MATLAB</p><p>　　The electrical appliances is becoming more and more important in

2、today’s world where computer technology, internet technology and communication technology are developing rapidly and people’s life has been greatly improved.</p><p>　　Circuit analysis is a necessary course a

3、nd 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 who’s mayor in electronic infor

4、mation engineering, circuit analysis state for the professional capability. With the development of the circuit analysis field, circuits get more complicated and simulation technology using computer grown up. Dynamic cir

5、cuit analysis is the</p><p>　　MATLAB is a high-performance language for technical computing. It integrates computation, visualization, and programming in an easy-to-use environment where problems and solutio

6、ns are expressed in familiar mathematical notation. Typical uses include:</p><p>　　1．Math and computation</p><p>　　2．Algorithm development</p><p>　　3．Modeling, simulation, and proto

7、typing</p><p>　　4．Data analysis, exploration, and visualization</p><p>　　5．Scientific and engineering graphics</p><p>　　6．Application development, including graphical user interface

8、 building</p><p>　　MATLAB 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 m

9、atrix and vector formations in a fraction of the time, which would take a lot of time to write a program in a scalar non-interactive language such as C or FORTRAN.</p><p>　　The name MATLAB stands for matrix

10、laboratory. MATLAB was originally written to provide easy access to matrix software developed by the LINPACK and EISPACK projects. Today, MATLAB engines incorporate the LAPACK and BLAS libraries, embedding the state of t

11、he art in software for matrix computation.</p><p>　　MATLAB has evolved over a period of years with input many users. In university environments, it is the standard instructional tool for introductory and adv

12、anced courses in mathematics, engineering, and science. In industry, MATLAB is the tool of choice for high-productivity research, development, and analysis.</p><p>　　MATLAB features a family of add-on applic

13、ation-specific solutions called toolboxes. Very important to most users of MATLAB, toolboxes allow you to learn and apply specialized technology. Toolboxes are comprehensive collections of MATLAB functions (M-files) that

14、 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 other

15、s.</p><p>　　The MATLAB system consists of five main parts:</p><p>　　Development environment. This is the set of tools and facilities that help you use MATLAB functions and files. Many of these t

16、ools are graphical user interfaces. It includes the MATLAB desktop and Command Windows, a command history, an editor and debugger, and browsers for viewing help, the workspaces, files, and the search path.</p><

17、;p>　　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 li

18、ke matrix eigenvalue, Bessel functions, and fast Fourier transforms.</p><p>　　The MATLAB Language. This is a high-level matrix/array language with control flow statements, functions, data structures, input/o

19、utput, and object-oriented programming features. It allows both “programming in the small” rapidly create quick and dirty throw-away programs, and “programming in the large” to create complete large and complex applicati

20、on programs.</p><p>　　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-dimens

21、ional and three-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 c

22、omplete graphical user interfaces on your MATLAB applications.</p><p>　　The MATLAB Application Program Interface(API). This is a library that allows you to write C and FORTRAN programs that interact with MAT

23、LAB. It include facilities for calling routines from MATLAB(dynamic linking), calling MATLAB as a computational engine, and for reading and writing MAT-files.</p><p>　　In the circuit analysis the RLC two ste

24、ps 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 a

25、lso is quite troublesome, therefore causes the majority the schoolmate which studies this class when studies two steps electric circuits understands quite difficultly. But MATLAB is visible face science and engineering c

26、alculation large-scal</p><p><b>　　參考譯文：</b></p><p>　　MATLAB與電路分析</p><p>　　在當今世界，計算機技術(shù)，網(wǎng)絡技術(shù)和通信技術(shù)正在迅猛的發(fā)展，人民的生活水平逐步提高，電子產(chǎn)品變得越來越重要。</p><p>　　對于電子專業(yè)的學生來說電路分析是一門必

27、要的課程和基礎(chǔ)的知識技能，它是電路維護和電路應用的基礎(chǔ)。對于那些專業(yè)為電子信息工程、職業(yè)能力為電路分析的本科學生來說，電路分析是最為重要的專業(yè)課程之一。隨著電路分析領(lǐng)域的發(fā)展,電路變得越來越復雜,于是計算機仿真技術(shù)應運而生。動態(tài)電路的分析是最困難的，它不但耗費時間而且要花費很多的人工，尤其是當電路很復雜的時候。因此，我們采用了基于Matlab / Simulink仿真工具及電力系統(tǒng)塊模型庫，來幫助我們分析幾個簡單的電路，比如交流穩(wěn)態(tài)電路

28、，直流穩(wěn)態(tài)電路和一階動態(tài)電路。這個電路通過Matlab語言進行編程,并由Simulink仿真工具進行仿真。雖然通過計算機仿真軟件還不能取代傳統(tǒng)的方式,但它能幫助人們更加直接和有效的理解電路分析。通過這些仿真工具,人們可以驗證電路的性能，降低計算的復雜程度。它使我們節(jié)省了大量的工作（時間）。在整個電路仿真分析的過程中,我們知道了Matlab / Simulink軟件包是如何工作的，并且展示了 Matlab / Simulink仿真工具在電

29、路分析中的優(yōu)越性，它被證明是簡單的、方便的、有效率的和靈活的。</p><p>　　MATLAB是一種用于工程計算的高性能的計算機編程語言。它集數(shù)值計算、圖形顯示和編程于一體，構(gòu)成了一個方便的、界面友好的用戶環(huán)境。在這個環(huán)境下，所要求解的問題及其答案都采用我們熟悉的數(shù)學符號來表示。其典型應用包括：</p><p><b>　　數(shù)值計算</b></p>&

30、lt;p><b>　　算法設(shè)計</b></p><p><b>　　建模、仿真和造型</b></p><p>　　數(shù)據(jù)分析、探測和顯示</p><p><b>　　科技和工程圖形</b></p><p>　　6. 應用開發(fā)（包括圖形用戶界面的建立）</p>

31、<p>　　MATLAB 是一個交互式系統(tǒng)，它的基本數(shù)據(jù)元素是一個不要求預先定義維數(shù)的數(shù)組。這樣我們就可以花費很少的時間去解決許多工程計算問題，特別是那些帶有矩陣和矢量公式的問題，同樣的問題如果要用非交互式語言比如C或Fortran來編程的話要花費很多時間。</p><p>　　MATLAB 這個詞表示矩陣實驗室。起初MATLAB 是用來為LINPACK和EISPACK項目開發(fā)中的矩陣運算問題提供一種簡

32、易的求解方法?，F(xiàn)如今，MATLAB引擎合并了LAPACK和BLAS庫，將狀態(tài)變量引入軟件中用于矩陣運算。</p><p>　　MATLAB 經(jīng)過多年的發(fā)展，融入了許多用戶的經(jīng)驗成果。在大學校園里，它已成為一門在數(shù)學、工程和科學領(lǐng)域的導論課和專業(yè)的標準教學工具。在工業(yè)生產(chǎn)領(lǐng)域，MATLAB也已成為高生產(chǎn)力的研究、開發(fā)和分析的首選工具。</p><p>　　MATLAB的特色就在于它擁有一系列

33、被稱為工具箱的擴展工具，能夠為專業(yè)應用領(lǐng)域的技術(shù)問題提供解答方案。對大多數(shù)MATLAB 用戶來講，十分重要的一點是，工具箱可以使你學習和應用專業(yè)技術(shù)。工具箱是將MATLAB環(huán)境擴展到解決特定領(lǐng)域問題的MATLAB 函數(shù)（M 文件）的綜合應用。目前工具箱已涉及到的領(lǐng)域包括信號處理，控制系統(tǒng)、神經(jīng)網(wǎng)絡、模糊控制、小波分析、仿真等。</p><p>　　MATLAB 主要包括5部分：</p><p&

34、gt;　　MATLAB 開發(fā)環(huán)境。這是一套可以幫助你使用MATLAB函數(shù)和文件的工具，這些工具中的大多數(shù)都采用圖形用戶界面，它包括MATLAB桌面和命令窗口、命令歷史、編輯器和調(diào)試器、幫助瀏覽器、工作空間、文件和查詢路徑。</p><p>　　MATLAB 數(shù)學函數(shù)庫。這是一個涵蓋了從求和、正弦、余弦這樣一些基本函數(shù)，到矩陣求逆、矩陣特征值、貝賽爾函數(shù)和快速傅里葉變換等這樣一些復雜函數(shù)的運算法則的大集合。<

35、/p><p>　　MATLAB 語言。這是一種高級矩陣語言，它具有可以控制（數(shù)據(jù)）流狀態(tài)、函數(shù)、數(shù)據(jù)結(jié)構(gòu)、輸入輸出和面向?qū)ο缶幊痰奶卣?。它允許快速創(chuàng)建小程序，也可以創(chuàng)建大的復雜的應用程序。</p><p>　　圖形處理。MATLAB 可方便地將矢量和矩陣用圖形來顯示，也可注釋和打印圖形。它包括一些高級（繪圖）函數(shù)，這些高級函數(shù)可用于二維和三維數(shù)據(jù)可視化、圖像處理、動畫和圖像再現(xiàn)。它也包括一些低

36、級函數(shù)，可使用戶定制圖形界面和在你的MATLAB應用軟件上創(chuàng)建完整的圖形用戶界面。</p><p>　　MATLAB 應用程序接口。這是一個允許你將用C語言和Fortran語言編寫好的程序與MATLAB程序鏈接的庫，它可以從MATLAB動態(tài)鏈接庫中調(diào)用程序、將MATLAB作為一個計算引擎、讀或?qū)慚AT文件。</p><p>　　在電路分析中RLC 二階電路的分析過程是比較復雜的，并且要做出

37、響應曲線分析系統(tǒng)的性能指標也非常困難。而且對二階微分方程的求解也是比較煩瑣的，因此使得大多數(shù)正在學習這門課的同學在學習二階電路時理解比較困難。而MATLAB是可視化的面向科學與工程計算的大型優(yōu)秀科技應用軟件, 其語句簡練, 功能強大, 簡單實用, 在電路分析與計算中有著廣泛的應用。MATLAB 提供的大量而豐富的內(nèi)部函數(shù), 高效簡潔的語句, 能滿足電路計算的各種需要, MATLAB語言允許復數(shù)直接參與運算, 滿足了交流電路分析、計算的需