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  • 信号链和PLC是如何影响我们的生活

    Abstract: It is incredible how many programmable logic controls (PLCs) around us make our modern life possible and pleasant.Machines in our homes heat and cool our air and water, as well as preserve and cook our food. This tutorial explains the importanceof PLCs, and describes how to choose component parts using the parametric tools on the Maxim's website.A similar version of this article was published February 29, 2012 in john Day's Automotive Electronic News.

    标签: PLC 信号链

    上传时间: 2013-11-10

    上传用户:liaocs77

  • 高速数字系统设计下载pdf

    高速数字系统设计下载pdf:High-Speed Digital SystemDesign—A Handbook ofInterconnect Theory and DesignPracticesStephen H. HallGarrett W. HallJames A. McCallA Wiley-Interscience Publication john WILEY & SONS, INC.New York • Chichester • Weinheim • Brisbane • Singapore • TorontoCopyright © 2000 by john Wiley & Sons, Inc.speeddigital systems at the platform level. The book walks the reader through everyrequired concept, from basic transmission line theory to digital timing analysis, high-speedmeasurement techniques, as well as many other topics. In doing so, a unique balancebetween theory and practical applications is achieved that will allow the reader not only tounderstand the nature of the problem, but also provide practical guidance to the solution.The level of theoretical understanding is such that the reader will be equipped to see beyondthe immediate practical application and solve problems not contained within these pages.Much of the information in this book has not been needed in past digital designs but isabsolutely necessary today. Most of the information covered here is not covered in standardcollege curricula, at least not in its focus on digital design, which is arguably one of the mostsignificant industries in electrical engineering.The focus of this book is on the design of robust high-volume, high-speed digital productssuch as computer systems, with particular attention paid to computer busses. However, thetheory presented is applicable to any high-speed digital system. All of the techniquescovered in this book have been applied in industry to actual digital products that have beensuccessfully produced and sold in high volume.Practicing engineers and graduate and undergraduate students who have completed basicelectromagnetic or microwave design classes are equipped to fully comprehend the theorypresented in this book. At a practical level, however, basic circuit theory is all thebackground required to apply the formulas in this book.

    标签: 高速数字 系统设计

    上传时间: 2013-10-26

    上传用户:缥缈

  • 射频集成电路设计john Rogers(Radio Freq

    Radio Frequency Integrated Circuit Design I enjoyed reading this book for a number of reasons. One reason is that itaddresses high-speed analog design in the context of microwave issues. This isan advanced-level book, which should follow courses in basic circuits andtransmission lines. Most analog integrated circuit designers in the past workedon applications at low enough frequency that microwave issues did not arise.As a consequence, they were adept at lumped parameter circuits and often notcomfortable with circuits where waves travel in space. However, in order todesign radio frequency (RF) communications integrated circuits (IC) in thegigahertz range, one must deal with transmission lines at chip interfaces andwhere interconnections on chip are far apart. Also, impedance matching isaddressed, which is a topic that arises most often in microwave circuits. In mycareer, there has been a gap in comprehension between analog low-frequencydesigners and microwave designers. Often, similar issues were dealt with in twodifferent languages. Although this book is more firmly based in lumped-elementanalog circuit design, it is nice to see that microwave knowledge is brought inwhere necessary.Too many analog circuit books in the past have concentrated first on thecircuit side rather than on basic theory behind their application in communications.The circuits usually used have evolved through experience, without asatisfying intellectual theme in describing them. Why a given circuit works bestcan be subtle, and often these circuits are chosen only through experience. Forthis reason, I am happy that the book begins first with topics that require anintellectual approach—noise, linearity and filtering, and technology issues. Iam particularly happy with how linearity is introduced (power series). In therest of the book it is then shown, with specific circuits and numerical examples,how linearity and noise issues arise.

    标签: Rogers Radio john Freq

    上传时间: 2014-12-23

    上传用户:han_zh

  • 国外游戏开发者杂志1998年第八期配套代码

    国外游戏开发者杂志1998年第八期配套代码,包含了Dan McCabe和john Brothers关于S3TC纹理压缩的两种标准

    标签: 1998 开发者 代码

    上传时间: 2015-01-05

    上传用户:784533221

  • 国外游戏开发者杂志2000年第三期配套代码

    国外游戏开发者杂志2000年第三期配套代码,包含john Van Der Burg的particle系统的代码

    标签: 2000 开发者 代码

    上传时间: 2014-01-25

    上传用户:ahljj

  • Java/J2EE application framework based on [Expert One-on-One J2EE Design and Development] by Rod john

    Java/J2EE application framework based on [Expert One-on-One J2EE Design and Development] by Rod johnson. Includes JavaBeans-based configuration, an AOP framework, declarative transaction management, JDBC and Hibernate support, and a web MVC framework.

    标签: Development application One-on-One framework

    上传时间: 2014-01-09

    上传用户:saharawalker

  • 算法ebook(10部算法经典著作的合集) 算法ebook> 10部算法经典著作的合集 chm格式 (1)Fundamentals of Data Structures by Ellis Hor

    算法ebook(10部算法经典著作的合集) 算法ebook> 10部算法经典著作的合集 chm格式 (1)Fundamentals of Data Structures by Ellis Horowitz and Sartaj Sahni (2)Data Structures, Algorithms and Program Style Using C by James F. Korsh and Leonard J. Garrett (3)Data Structures and Algorithm Analysis in C by Mark Allen Weiss (4)Data Structures: From Arrays to Priority Queues by Wayne Amsbury (5)Information Retrieval: Data Structures & Algorithms edited by William B. Frakes and Ricardo Baeza-Yates (6)Introduction to Algorithms by Thomas H. Cormen, Charles E. Leiserson, and Ronald L. Rivest (7)Practical Data Structures in C++ by Bryan Flamig (8)Reliable Data Structures in C by Thomas Plum (9)Data Structures and Algorithms Alfred V. Aho, Bell Laboratories, Murray Hill, New Jersey john E. Hopcroft, Cornell University, Ithaca, New York Jeffrey D. Ullman, Stanford University, Stanford, California (10)DDJ Algorithms and Data Structures Articles

    标签: ebook Fundamentals Structures Ellis

    上传时间: 2015-04-04

    上传用户:tfyt

  • 关于SCM的一篇文章

    关于SCM的一篇文章,是SCM的应用,作者是该领域的牛人john Shawe-Taylor。

    标签: SCM

    上传时间: 2014-01-25

    上传用户:FreeSky

  • 这个例子如果运行,将在仿真的PC窗口中的第1,2,3行显示一些信息后,在随机位置显示 1 ~ 5 .由于keil c51默认不支持重入函数,它的重入函数使用仿真的重入栈而不使用系统栈,而Small R

    这个例子如果运行,将在仿真的PC窗口中的第1,2,3行显示一些信息后,在随机位置显示 1 ~ 5 .由于keil c51默认不支持重入函数,它的重入函数使用仿真的重入栈而不使用系统栈,而Small RTOS 51没有进行重入栈管理,所以在TaskA~TaskE虽然及其相似,但不能合并. 注意:(1)在KEIL C51 工程中,我已经把输出文件目录设在e:\temp中,您可以在Project->Options for Target "Target 1"的output页点击Select Folder for Objects...和Listing页点击Select Folder for Listing...改变. (2)编译时会有5个警告,其中一个是因为没有使用一个系统函数OSSendSignal引起,它可以忽略.另4个是禁止任务间变量覆盖分析引起,必须忽略.感谢网友john X. Liu,在这个例子中我使用了他编写的仿真(dllPc51Emu.dll),这个dll原来是为他移植的Ucos-ii for keil c51的例子编写. (3)Pc51Emu.dll在KEIL C51 V6.23 V7.00工作不正常.

    标签: Small keil c51 仿真

    上传时间: 2015-05-29

    上传用户:无聊来刷下

  • 这个例子是例子2的另一种写法(但任务数量不同),它使用了最高优先级任务作为显示任务,全局变量ShowChar作为参数.函数TaskB是优先级1~10的任务函数,因为没有使用局部变量,这些任务可以用一个

    这个例子是例子2的另一种写法(但任务数量不同),它使用了最高优先级任务作为显示任务,全局变量ShowChar作为参数.函数TaskB是优先级1~10的任务函数,因为没有使用局部变量,这些任务可以用一个函数. 注意:(1)在KEIL C51 工程中,我已经把输出文件目录设在e:\temp中,您可以在Project->Options for Target "Target 1"的output页点击Select Folder for Objects...和Listing页点击Select Folder for Listing...改变. 感谢网友john X. Liu,在这个例子中我使用了他编写的仿真dll(Pc51Emu.dll),这个dll原来是为他移植的Ucos-ii for keil c51的例子编写. (2)Pc51Emu.dll在KEIL C51 V6.23 V7.00工作不正常.

    标签: ShowChar TaskB 函数 10

    上传时间: 2015-05-29

    上传用户:asddsd