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三极管饱和失真与截止失真的multisim仿真
晶体三极管饱和失真、截止失真的仿真，使用Multisim仿真软件进行仿真，是学生理解三极管的静态工作点对波形的影响。
- 2021-05-06下载
- 积分：1
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计算机辅助几何造型技术_莫蓉
计算机辅助几何造型技术，莫蓉等编写，各大高校相关专业推荐书目。21世纪高等院校教材计算机辅助几何造型技术莫蓉吴英常智勇编著学实撤社北京内容简介计算机辅助几何造型技术是复杂曲面设计射基本技术,它所依赖的数学基础是微分几何。4书较全面介绍了计算机辅助几何造型玻术的基础知识,包括:曲线曲面论的基本知识烊条曲线与曲面、贝齐尔曲线与曲画、B样条曲线与曲面均匀有理B样条(NRRS曲线与曲画曲线曲面求交算法线曲光顺等本书是面向高等学校非数学类专业的本科生教材如机械T程及泊动化航空宇航设计与制造等也叮供高等学校师生及有关工程技术人员自学参考图书在版编目C)费据计算机辅助几何造犁技术莫蓉,昊英,常勇编著.一北京:科学出版社,2004.2(2世纪高等院校教材IsBN7030119266·计…Ⅱ.①奠…型吳…③常…Ⅲ.计箅机雜助设计Ⅳ.TP391.72中国版本图书馆CIP数据核字(20)第072140号责任編辋:钟谊段博原/文棄編軿:璐贾瑞娜仼校对:朱光光!贲任印制;安春生/封面设计:陈敬學桌訟出版北京乐域城恨北街6号邮哎:l0?17hitP/www.sciencep.com肀剩厂印刷科学击版社发行各地新华书经销2004乍2月第版开4:B5(720×100〕24年2月第次印印张:103印堂:12500字最20000定价:18.00元〔如有印装质量问题,我社负责调换〈新欣前&计箅机辅助几何造型技术》是计算机辅助设计与计算机辋助制造的基础课程,在机被、航空、航夭、船舶、汽车、家电制造等行业均有广泛的用途。计算机铺助几何造型技术是用数学理论描述自由曲线和出面的一种有效方法,它是计算机设计复杂曲面的算法基础,也是三维数字化技术的基础之一。目前國内、国际流行的著名大型 CAD CAM集成软件都使用了先进的几何造型曲面方法。本书主耍内容分为7章。第-章介绍曲线曲面论的基本知识,读者可以从中了解矢量代数基础,曲线曲面的基础,直纹面和可展曲面。第二章重点讲述样条龉线与ns曲面,包括三次样条函数、参数样条曲线、 rergusoll曲线和孔斯曲面,并且給出应用例子第三章讲述最常用的贝齐尔曲线与曲面,主要包括:贝齐尔曲线的定义与性质、贝齐尔曲线的儿何作图泫、贝齐尔曲线的合成、贝齐尔曲线的升阶和降阶、贝齐尔曲愿、贝齐尔曲面的合战、贝齐尔曲线曲的应用。第四章讲述B样条曲线和曲面基础,包括B样条曲线的定义与性质、三次均匀B样条曲线、三次均匀B祥条曲线的插值、双三次B样条曲面B样条曲面的应用。第五章讲述非均勻有理B样条由线与出面,介經非均匀B样条曲线与曲面的定义、性质和配套技术。笫六章介终由面求交的常用算法,包括曲面求交的分类与基本方法,分割算法、迭代法、追踪法。第七章介绍曲线面光顺,包括曲线出面光为的基本概念、曲线光顺方法和曲酉光顺方法,主要是各种算法的原理和步骤。每一章均附有习题可供读者练习时使用。作为非数学类本科生教材,本书省略了大量的数学推导和证明,考患到目前曲线和曲面技术的广泛应用,以讲解基木理论和基本概念为主,希望学生在使用本教树后,熊够对计算机辅助几何造型技术有一个较为深入地了解,对当前流行的CAD软件中曲线曲面造型的功能不仅知其然而豆知其所以然。《计算机助几何造型技术》课程学时约为5~颀0学时,其中有“*"的章节可作为选修内容本书由莫蓉三編兵中第一章、第二章、第四章由吴英编写,第三章由莫蓉编写,第五章、第六章、第十章常智男编写本书承蒙孙文焕教授主审,孙教投在审阅过程中为本节提出了许多宝贵意见;另外本教村能得以较快正式出版与科学出版社及西北工业大学教务处、数材科的大力支持是分不开的:在此一并向他们表示衷心的感谢。由于作者水平有限,书中的错误不妥之处在所难免,敬请读者不吝指正,作者将不陛慼激编者2004年1月目录前言第一章曲线曲面的基本知识…1.1矢量代数基硝1.1.1矢量b·■平q『即■甲曾即·甲曾■血中■『自■qq『·中鲁暂_普·自中·番平血·1.1,2直线的矢量方程■·冒■卜T■■p口q1.⊥3平面的矢量方程d口■■■直■■■■啁■幽1.2曲线论I2.1曲线的矢量力程和参数方41.2.2矢函数的导矢及其应用山41.3曲线的自然参数方程1.3,1自然参数方程………1.3,2出线论的基本公式………1.4率和挠率14.田率■■L晶■■142挠率…………141.5曲面………1.5,1曲面矢量方程和参数方程1.5.2曲画上的曲线及其切矢和曲面上法矢181.5.3曲面的等距面方程…中■■血■血■2016直纹面和可展曲面…………21b.1直纹面冒曾■12162可展曲网「-·F·-r4-幽4"ts.Hv:P44423习题血日t·自日q·1日甲·4日4·4A4·h由44■·鄂h·〓"=即·甲画24第二章样条曲线与Cons曲面…日血平亠·甲甲■■甲『4量晋P1■■山……·251基本概念■■■山山■252.t.1插值与通近……■中■■b■…………2522多项式基…2522三次样条函数及其力学背景……………………………262.3三次样条函数272.3.1定义……………………………………………………2723.2用型值点处的一阶导数表示插值三次样条曲线——m关系式272.3.3用型值点处的阶导数表示播值三次样条曲线M关系式23.4求解插值三次样条曲线的步骤235三次样条曲线局限性■■會會會■冒鲁鲁■個■口鲁■■…3524参数样条曲线噜■甲擊■擊甲P普甲冒241参数样条曲线24.2累加弦长参数样条解决“大挠度”的问题d“卜Bd血卜‘申372.4.3端点条件的换算■bψψ司ψ1ψ甲自■嚼■■■卡■普■■■↓4普昌b■4▲▲山▲244参数样条曲线的计算步骤…………■看hhd_4晶hd画鼻号·t甲平Pqv冒ppP冒q4ppb■自4392.5 fergus∞n曲线T"會會■會■血■會『血■『■甲m甲···日日日4·日日··日·血‘争甲甲甲日P蚤平号B蚤■425.1 Fergus参数曲线表达形式2.5.2 Ferguson曲线妄的拼接甲甲甲即日4-郾412.6Cxns曲面r會鲁■■個幽■幽『■■■4看■■■■↓卜■■■阝}画4226.1曲面表示法与记号……………432.6.2具有给定边界的 Coons曲面……4426.3真有给定边界和跨昇切矢的Cs曲面片…4864具有给定边其跨界切矢、跨界快率的Cxm曲面…50265双二次CUns曲面2.7三种定义曲面的基本方法532.7.l笛卡儿乘积法……幽血■■■■■L画晶』晶532.7.2母线法…5327.3布尔和法……………54习题甲甲q■上鲁■凸“■■■聊啁第三章贝齐尔曲縱与曲面…563.1贝齐尔曲线的定义与性质…备备+■■■■■■血幽■幽即聊聊↓着着昌昌晶……·56311贝齐尔曲线的定义暑■■1『h■D·■p血56312贝齐尔曲线的几何性质583.2贝齐尔曲线的几何作图法T冒■■■■■■623.2,1贝齐尔曲线的几何作图法322厌齐尔曲线的递归分割算法…633.3贝齐尔线的合成……··+--71.44即q443.31连线条件号拼接曲线的光滑度33.2贝齐尔曲线的合成及连续条件……65贝齐水曲线拼接的应用举例673,1贝齐尔曲线的升阶与降阶■bd幽■■号甲q■db4.贝齐尔曲线的不足…6834.2齐尔曲线的升阶与降阶……………!"683.5贝齐尔面■d■■■b■■■■國■703.5.1双三次贝齐尔曲面…·…s……"…s""!"703.5.2贝齐尔曲面的性质7236贝齐尔曲面的合成…LvP■平73361位置连续…甲日4日·即·日4···日4·日·日4··4‘P···日‘·‘·即47336.2界斜率连续………743.6.3只齐尔曲线曲应用………T6习题■甲P甲q77第四章B样条曲线和曲面■『T?冒■■冒■··『『+ TPTPTYP1■794.1B样条基函数的递推定义及其性质…794.1.1B样条基的递推定义4.1.2B样条基的推导过程804.13B样条基的性质4.2H样条曲线…■■矗画凸d………"…"…………834.2.1B样条曲线的定义…,……4.2.2B样条曲线性质………………844.2.3B样条曲线的分类p+·4-rb-T·"·"hr·血·÷4*"4t844.3均匀B样条曲线…r甲『■4■■■I·中·日+·口4日日■44卜A亠854.3.1三次均匀B样条画线表达形式…854.3,2二三次均每B样条曲线的几何性质…874.33特征顶点对曲线形状的影响4.3.4三次均匀B咩条曲线的算法…………………94.3,5二次均匀B样条曲线上qP■■kb山■■▲d“pp43.6三次参数曲线段的比较…924.4非均匀B样条曲线934.4.lB样条曲线的定义域……………934.2重节点对B样条基的影响44.3重节点对B样条由线的影响……954.5B样条曲面……T會會自■■■1_■■I■『■聊■;pp4.51双三次B样条出面片4.5.2双三次B样条曲面的方程…………………1014.53B样条曲面及其性质4.5,4三次均匀H样条曲面的算法…102习题甲■郾·■■■d■4■画甲b▲q"甲即·““4·画…………104第五章非均匀有理样条曲线与曲面·1065.1NRRS曲线的定义和性质……1075.1.]曲线方程的三种等价表示……1071.2NUR曲线三种去示方式的特点……5.1.3NJR曲线的儿何性质甲q4■4=q■唱司甲d■中即甲■■唱看■甲5.t4杈囚子对NRHS曲线形状的影响■郾■■■■dbdbd平qPFb【鲁5.1.5圆锥曲线泊表示■_曾甲晶_L■昌甲…………∷…………11252NURs曲面的定义和性质……5.2.1 NURBS曲面方程的三种表示方法■■·晶b晶郾d■山b■522NRHS曲面的性质………q;甲中}P■1175.2.3曲而权因子的几何意义冒TP口『■冒………117524常用曲面的NURB表示……鱼■中p口■■唱山■中52.5 NURES曲面的形状修收…………………………………………1205.3 NURBS曲线曲面的配套技术………………………1205.3.1 NURES曲线曲面求值、求导1甲■司司bb11205.32NRBS出线曲面拟合………125冒口』■■■……∵……132第六章曲面求交算法1336.1曲面求交的分类与基本方法国P■曾冒甲冒■■冒會■■罪■■■■■1336.1.1曲面求交的分类……………1336.12出面求交的基本力法………1336.2分割算法1356.2.1分割算法的本原理………1356.2.2分割算法的注意问题…1356.3迭代法…h■■m■■■·南Dp■d·13763,1迭代法的基本原理b甲。聊略甲4▲dL13763.2鑫数迭代法a日日·自甲『是4■普晋画■4■138633四参数迭代法4需意的间题…■■日■■■■平■『■TT曾■T■■■■……1406、4追踪法6.4.l追踪法基木过程…··日.甲·卜B山如如L当";a4-st上416.4.2 Lattice网格求交法…·"自■■■『■着■■■▲h■■■44←pp·4426.4.3迫踪法中的其他内容….…!143习题144第七章曲线曲面光顺1457.曲线曲面光顺的基本概念甲■■卩■1457.1}光顺的基木概念…■■↓■bdb|v甲甲nP■145?.1.2光顺性准划146
- 2021-05-06下载
- 积分：1
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gosversion
用于ply格式文件ascii与binary编码互相转换(ASCII and binary encoding used to ply file format conversion to each other)
- 2017-08-23 06:39:05下载
- 积分：1
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Vehicle Dynamics Theory and Application
不错的汽车动力学教材，是参与汽车底盘电子开发的动力学基础。Reza n. jazarVehicle DynamicsTheory and ApplicationsSpringerReza n. jazarDept of Mechanical EngineeringManhattan collegeRiverdale. NY 10471ISBN:978-0-387-74243-4e-ISBN:978-0-387-74244-1Library of Congress Control Number: 200794219c 2008 Springer Science+ Business Media, LLCAll rights reserved. This work may not be translated or copied in whole or in part without thewritten permission of the publisher(Springer Science+Business Media, LLC, 233 SpringStreet, New York, NY 10013, USA), except for brief excerpts in connection with reviews orscholarly analysis. Use in connection with any form of information storage and retrievalelectronic adaptation, computer software, or by similar or dissimilar methodology now knownor hereafter developed is forbidden. The use in this publication of trade names, trademarksservice marks and similar terms, even if they are not identified as such, is not to be taken as anexpression of opinion as to whether or not they are subject to proprietary rightsPrinted on acid-free paper987654321springer. comKavoshmy daughter, Vazan,and my wife, MojganHappiness is when you win a race against yourselfPrefaceThis text is for engineering students. It introduces the fundamental knowledge used in vehicle dymamics. This knowledge can be utilized to developcomputer programs for analyzing the ride, handling, and optimization ofroad vehiclesVehicle dynamics has been in the engineering curriculum for more thana hundred years. Books on the subject are available, but most of themare written for specialists and are not suitable for a classroom applicationA new student, engineer, or researcher would not know where and howto start learning vehicle dynamics. So, there is a need for a textbook forbeginners. This textbook presents the fundamentals with a perspective onfuture trendsThe study of classical vehicle dynamics has its roots in the work ofgreat scientists of the past four centuries and creative engineers in thepast century who established the methodology of dynamic systems. Thedevelopment of vehicle dynamics has moved toward modeling, analysisand optimization of multi-body dynamics supported by some compliantmembers. Therefore, merging dynamics with optimization theory was anexpected development. The fast-growing capability of accurate positioninsensing, and calculations, along with intelligent computer programming arethe other important developments in vehicle dynamics. So, a textbook helpthe reader to make a computer model of vehicles, which this book doesLevel of the bookThis book has evolved from nearly a decade of research in nonlineardynamic systems and teaching courses in vehicle dynamics. It is addressedprimarily to the last year of undergraduate study and the first year graduatestudent in engineering. Hence, it is an intermediate textbook. It providesboth fundamental and advanced topics. The whole book can be coveredin two successive courses, however, it is possible to jump over some sections and cover the book in one course. Students are required to know thefundamentals of kinematics and dynamics, as well as a basic knowledge ofnumerical methodsThe contents of the book have been kept at a fairly theoretical-practicallevel. Many concepts are deeply explained and their application empha-sized, and most of the related theories and formal proofs have been explained. The book places a strong emphasis on the physical meaning andapplications of the concepts. Topics that have been selected are of highinterest in the field. An attempt has been made to expose students to aPrefacebroad range of topics and approachese There are four special chapters that are indirectly related to vehicle dy-amics: Applied Kinematics, Applied Mechanisms, Applied dynamics, andApplied vibrations. These chapters provide the related background to understand vehicle dynamics and its subsystemsOrganization of the bookThe text is organized so it can be used for teaching or for self-studyChapter 1"Fundamentals, "contains general preliminaries about tire andrim with a brief review of road vehicle classificationsPart I"One Dimensional Vehicle Dynamics, " presents forward vehicledynamics, tire dynamics, and driveline dynamics. Forward dynamics refersto weight transfer, accelerating braking, engine performance, and gear ratiodesignPart II"Vehicle Kinematics, presents a detailed discussion of vehiclemechanical subsystems such as steering and suspensionsPart IIT"Vehicle Dynamics, employs Newton and Lagrange methodsto develop the maneuvering dynamics of vehiclesPart Iv "Vehicle Vibrations, presents a detailed discussion of vehi-cle vibrations. An attempt is made to review the basic approaches anddemonstrate how a vehicle can be modeled as a vibrating multiple degreeof-freedom system. The concepts of the Newton-Euler dynamics and La-grangian method are used equally for derivation of equations of motionThe RMS optimization technique for suspension design of vehicles is intro-duced and applied to vehicle suspensions. The outcome of the optimizationtechnique is the optimal stiffness and damping for a car or suspended equipmentMethod of presentationThis book uses a fact-reason-application"structure. The "fact"is themain subject we introduce in each section. Then the reason is given as a" proof. The application of the fact is examined in some examples. Theexamplesare a very important part of the book because they show howto implement the facts. They also cover some other facts that are neededto expand the subjectPrerequisitesSince the book is written for senior undergraduate and first-year graduatelevel students of engineering, the assumption is that users are familiar withmatrix algebra as well as basic dynamics. Prerequisites are the fundamentals of kinematics, dynamics, vector analysis, and matrix theory. Thesebasics are usually taught in the first three undergraduate yearsPrefaceUnit SystemThe system of units adopted in this book is, unless otherwise stated, theinternational system of units(SI). The units of degree(deg)or radian(rad)are utilized for variables representing angular quantitiesSymbolse Lowercase bold letters indicate a vector. Vectors may be expressed inan n dimensional Euclidian space. ExamplerCUppercase bold letters indicate a dynamic vector or a dynamic matrix, such as force and moment. ExampleFo Lowercase letters with a hat indicate a unit vector. Unit vectors arenot bolded. ExampleLowercase letters with a tilde indicate a 3 x 3 skew symmetric matrixassociated to a vector. Examplea3211An arrow above two uppercase letters indicates the start and endpoints of a position vector. ExampleON = a position vector from point o to point Ne The length of a vector is indicated by a non-bold lowercase letterExampleCapital letter B is utilized to denote a body coordinate frame. ExampleB(ocgB(Oxyz)B1(o1x19121)ⅹ11PrefaceCapital letter G is utilized to denote a global, inertial, or fixed coordinate frame. ExampleG(XYZG(OXYZRight subscript on a transformation matrix indicates the departureframes. ExampleRB= transformation matrix from frame B(oxyz)Left superscript on a transformation matrix indicates the destinationframe. ExampleRBtransformation matrix from frame B(o cgz)to frame G(OxYZ)Capital letter R indicates rotation or a transformation matrix, if itshows the beginning and destination coordinate frames. Example0BSIn a0Whenever there is no sub or superscript, the matrices are shown in abracket. ExampleCOS asin a osIn aCOs O0e Left superscript on a vector denotes the frame in which the vectoris expressed. That superscript indicates the frame that the vectorbelongs to; so the vector is expressed using the unit vectors of thatEr= position vector expressed in frame G(OXYZ)Right subscript on a vector denotes the tip point that the vector isreferred to. ExamplePsition vector ofexpressed in coordinate frame G(OXYZ)Right subscript on an angular velocity vector indicates the frame thatthe angular vector is referred to. ExampleB= angularof the body coordinate frame B(oxyz)
- 2020-12-12下载
- 积分：1
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鱼眼图像几何模型校正实验Matlab
http://blog.csdn.net/photonfly/article/details/52507320
- 2020-12-06下载
- 积分：1
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Qt5.4.Oracle11g驱动
Qt5.4 Oracle11g 驱动，内有Qt5 Oracle 驱动编译方法，注意如需编译，Qt安装时需要选择完全安装！
- 2020-11-29下载
- 积分：1
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resialch_implementation
主要完成木马程序的实现原理,只做为研究学习用,不可用于其它行为,(Mainly complete the implementation principle of trojans, only as a research study to use, not for other,)
- 2017-04-04 20:33:06下载
- 积分：1
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一种矩阵补全的MATLAB实现方法
一种矩阵补全的MATLAB实现方法LowRank-MatrixCompletion
- 2021-05-06下载
- 积分：1
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点云滤波算法 一维双向扫描方法 matlab
点云滤波算法 一维双向扫描方法 matlab 激光雷达武汉大学课后作业
- 2020-11-27下载
- 积分：1
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数据采集基本知识及NI采集卡的使用手册.pdf
数据采集基本知识及NI采集卡的使用手册.pdf
- 2020-12-09下载
- 积分：1
