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  • 開關電源EMI設計(英文版)

    Integrated EMI/Thermal Design forSwitching Power SuppliesWei ZhangThesis submitted to the Faculty of theVirginia Polytechnic Institute and State Universityin partial fulfillment of the requirements for the degree of Integrated EMI/Thermal Design forSwitching Power SuppliesWei Zhang(ABSTRACT)This work presents the modeling and analysis of EMI and thermal performancefor switch power supply by using the CAD tools. The methodology and design guidelinesare developed.By using a boost PFC circuit as an example, an equivalent circuit model is builtfor EMI noise prediction and analysis. The parasitic elements of circuit layout andcomponents are extracted analytically or by using CAD tools. Based on the model, circuitlayout and magnetic component design are modified to minimize circuit EMI. EMI filtercan be designed at an early stage without prototype implementation.In the second part, thermal analyses are conducted for the circuit by using thesoftware Flotherm, which includes the mechanism of conduction, convection andradiation. Thermal models are built for the components. Thermal performance of thecircuit and the temperature profile of components are predicted. Improved thermalmanagement and winding arrangement are investigated to reduce temperature.In the third part, several circuit layouts and inductor design examples are checkedfrom both the EMI and thermal point of view. Insightful information is obtained.

    標簽: EMI 開關電源 英文

    上傳時間: 2013-11-16

    上傳用戶:萍水相逢

  • yright 2002 Cygnal Integrated Products, Inc. // // Filename: LIION_BC_MAIN.c // Target Device: 8051F

    yright 2002 Cygnal Integrated Products, Inc. // // Filename: LIION_BC_MAIN.c // Target Device: 8051F300 // Created: 11 SEP 2002 // Created By: DKC // Tool chain: KEIL Eval C51 // // This is a stand alone battery charger for a Lithium ION battery. // It utilizes a buck converter, controlled by the on-chip 8-bit PWM, // to provide constant current followed by constant voltage battery charge.

    標簽: LIION_BC_MAIN Integrated Filename Products

    上傳時間: 2013-12-23

    上傳用戶:牧羊人8920

  • Apriori算法源碼(C++) 看了以前在這里發的apriori源碼

    Apriori算法源碼(C++) 看了以前在這里發的apriori源碼,覺得寫得代碼有些繁瑣,現在重寫了一下,主要是把數據操作和界面顯示分離,使用了stl和boost,簡化了字符操作的算法,數據庫用的是mysql的,API是mysql++,在mfc下mysql++無法運行,所以gui框架用的是win32gui-lib(可以到sf.net/project/win32gui下載)。當然你也可以用odbc改寫,或是換用別的數據庫,因為算法邏輯是獨立的,所以應該很容易改寫

    標簽: Apriori apriori 源碼 算法

    上傳時間: 2013-12-28

    上傳用戶:cxl274287265

  • This collection of C++ templates wraps the FORTRAN or C interfaces for LAPACK so that they integrate

    This collection of C++ templates wraps the FORTRAN or C interfaces for LAPACK so that they integrate with the Boost uBLAS library. Currently implements Cholesky decomposition, LU decomposition, inversion and determinant for general and positive-definite matrices.

    標簽: collection interfaces integrate templates

    上傳時間: 2015-08-10

    上傳用戶:chfanjiang

  • Recite(一個輔助英語學習軟件源碼) 該程序的UI部分使用了WTL7.5。WTL7.5可以很容易的在微軟的官方網站找到

    Recite(一個輔助英語學習軟件源碼) 該程序的UI部分使用了WTL7.5。WTL7.5可以很容易的在微軟的官方網站找到,安裝也很簡單。   另外使用了BOOST庫中的部分內容。包括filesystem用于操作文件名和目錄,可以在( http://lunatic.bokee.com/5899788.html )找到更詳細的介紹。serialization用于將對象序列化在磁盤文件中。datetime用于做日期的計算。還用到了string algo做簡單的字符串操作。因此你需要從( http://www.boost.org )下載boost的最新版本1.33.1,并在本地編譯它。   配置文件的讀寫使用了TinyXML,源碼已經包含在源碼包中,無須另外下載。   整個程序的祼奔性相當好,不依賴于其他任何的DLL或COM庫,就一個EXE文件。   我的編程和調試環境為WindowsXP,Visual Studio .net 2003。   該軟件的目的及作用請參見( http://lunatic.bokee.com/6153131.html )   使用方法( http://lunatic.bokee.com/6153160.html )   相關的資源( http://lunatic.bokee.com/6153181.html )

    標簽: 7.5 WTL Recite 輔助

    上傳時間: 2015-09-19

    上傳用戶:fxf126@126.com

  • 在VC 6.0平臺下

    在VC 6.0平臺下,讀取G代碼文件,利用Boost中Regex正則表達式逐行提取數控G代碼中的數值,分析兩行G代碼之間各軸速度變化。提供保存分析結果功能

    標簽: 6.0

    上傳時間: 2014-01-23

    上傳用戶:hasan2015

  • C++ class libraries for network-centric, portable applications, integrated perfectly with the C++ St

    C++ class libraries for network-centric, portable applications, integrated perfectly with the C++ Standard Library. Includes network protocols (Sockets, HTTP, FTP, SMTP, POP3, etc.) and an XML parser. Licensed under Boost license.

    標簽: network-centric applications integrated libraries

    上傳時間: 2016-02-05

    上傳用戶:chenxichenyue

  • 此書名為超越C++標準程序庫

    此書名為超越C++標準程序庫,是的,它講述的正是boost庫(boost庫可是未來c++的標準方向喲,掌握了boost就是掌握了未來的c++)。包含了各個庫的功能的詳細介紹以及列舉的例子。總的包含通用庫、容器及數據結構、函數對象及高級編程幾個大的部分,內部又有很多小的部分。

    標簽: 標準 程序庫

    上傳時間: 2016-06-09

    上傳用戶:皇族傳媒

  • If you re like me, you re excited by what people do with template metaprogramming (TMP) but are frus

    If you re like me, you re excited by what people do with template metaprogramming (TMP) but are frustrated at the lack of clear guidance and powerful tools. Well, this is the book we ve been waiting for. With help from the excellent Boost Metaprogramming Library, David and Aleksey take TMP from the laboratory to the workplace with readable prose and practical examples, showing that "compile-time STL" is as able as its runtime counterpart. Serving as a tutorial as well as a handbook for experts, this is the book on C++ template metaprogramming."Chuck Allison, Editor, The C++ Source

    標簽: metaprogramming you template excited

    上傳時間: 2016-07-20

    上傳用戶:gundamwzc

  • 通達信股票軟件數據接收程序 能夠將連接服務器

    通達信股票軟件數據接收程序 能夠將連接服務器,接收數據,解碼, 所有股票實時數據 需要 loki,boost 庫編譯

    標簽: 股票 數據接收 程序 服務器

    上傳時間: 2017-02-18

    上傳用戶:小草123

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