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第 6 章 虚拟仪器概述 PowerPoint PPT Presentation


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第 6 章 虚拟仪器概述. 本章概述 6.1 概述 6.2 高速多功能 DAQ 主板 6.3 模拟输入信号的调理 6.4 高速采集及存储系统设计 6.5 时序控制逻辑设计 6.6 DDS 信号源的设计. 6.1 概述. 虚拟仪器通用测试平台的组成 虚拟仪器通用测试平台由硬件和软件两大部分组成 硬件部分包括:( 1 )个人计算机( PC )( 2 )外置式多功能 DAQ 主板( 3 )系列化的测试与实验电路模板.

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第 6 章 虚拟仪器概述

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6 6471877

6

6.1

6.2 DAQ

6.3

6.4

6.5

6.6 DDS


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6.1

  • 1PC2DAQ3


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1WindowsLabVIEWLabWindows/CVI23

  • 1

  • 2

  • 3

  • 4


6 2 daq

6.2DAQ


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  • 1A/D

  • A/DA/D1000MHz24500MHz18

  • :


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  • 2


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  • DAQ

  • DAQI/OI/O/


6 6471877

6.3


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  • 1DAQ0~1GHz

  • 2ADCnADC1/2n

  • 3

  • 50mV50V12510


6 6471877


6 6471877

  • ADC


6 6471877

  • 2

  • ACDCS5

  • R1C1R2C2

  • Z1C1R1Z2C2R2R1C1=R2C2C2


6 6471877

  • abc


6 6471877

  • 3

  • 145MHzU1U2AD8066U3AD844

  • U1U2U341S2S3S2S3A1


6 6471877

  • ADCADCTHD+NADC

    1ADC

    A/D

    2ADC

    ADCADCADC


6 6471877

3ADCADCAD9288AD9220/21/23AD9050THDSFDRADC

4A/DAD9288+1VAD928810.5V+0.5V~+1.5V


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2


6 6471877

  • 2.

    1


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6.4

  • A/DAD9288EPIC6Q240C6DAQADC64KRAMIS61LV6416FPGA


6 6471877


6 6471877


6 6471877

  • AD9288

  • AD9288AD8+3V100MSPS475MHz100MHz90mW


6 6471877

  • 1ADC

  • AD

    100MHzA/D

    10100MHzA/D


  • 6 6471877

    • ADC

    • 1A/D

      A/D

    • 2A/D

      A/D

      A/D4V

    • 3

      A/D


    6 6471877

    • AD9288IS61LV6416-10FIFO


    6 6471877

    6.5

    • 1.


    6 6471877

    • 2.

    • 1 4

      TTL


    6 6471877

    • 2


    6 6471877

    • UH+ 4


    6 6471877

    a b c


    6 6471877

    • FPGA

      8AD9288(64k RAM IS61LV6416)

    • 1RAM

    • 2(RAM)


    6 6471877


    6 6 dds

    6.6 DDS

    • DDS

    • 1


    6 6471877

    • 2DDS

      DDS


    6 6471877

    • 3

    • 1DDSDAC

      2CPLD

      3

      4


    6 6471877


    6 6471877

    • 1

      ROMRAMROMRAMROMRAMD/A

    • 2


    6 6471877

    • 3


    6 6471877

    • DAC

      D/ADDSD/AD/AD/A

    DAC


    6 6471877

    • D/A

      1

      2D/A

      3D/AECL100MHz

      4D/A

      5D/A


    6 6471877

    • D/A

      D/AGlitch100000011111

    • D/A

      AD9762


    6 6471877

    • K


    6 6471877

    • DDS

      1

      2N

      3

      4D/A


    6 6471877

    6.7

    • DDS

      DDSRAMDACDAC0832

      DDSRAMRAMD/A


    6 6471877

    DDS


    6 6471877

    • fCLKK

    • K


    6 6471877

    • 1.

      UrDAC97621VN=02558DAC0832A1A24K111/21/41/84K211/162


    6 6471877

    • 2

    • 1

      K1K2016V81248K1K2

    • 2

      DACDAC0832DACAD9762Ur8DAC083228=256 ,


    6 6471877

    US=A1A2UrUr=1VA1=4A2=4


    6 6471877


    6 6471877

    6.8

    • 1

    • 2

    • 3

    • 4


    6 6471877

    • 5

    • 1

    • 2

    • 3

    • 6

    • 1

    • 2


    6 6471877

    • 7

    • 8

    • 9


    6 6471877

    • LabVIEW

      LabVIEWLabVIEWVI

    • 1

    • 1Controls

      2Indicators


    6 6471877

    • 2LabVIEW

      LabVIEW

      LabVIEWLabVIEW


    6 8 dll

    6.8 (DLL)

    LabviewCCDynamic-Link LibraryDLLLabviewDLLWindowsAPI

    LabviewCCINActiveX.netDDEMATLAB


    6 6471877

    • DLL

      DLL.dll.drv.sysDLLEXEDLLWindows

      .LIBDLL.LIBDLLDLL.LIBDLL


    6 6471877

    • VCDLL

      VCDLLNonMFCDLLMFCMFCRegularDLLMFCDLLMFCExtensionDLLMFCDLLMFC()MFCCMFCMFCMFCDLLCWinAPPMFCDLLMFCMFC

      Visual C++ 6.0File\New\ProjectWin32 Dynamic-Link LibraryMFC AppWizard[DLL]Non-MFC DLLRegular DLLExtension DLL


    6 6471877

    • 1Win32 Dynamic-Link LibraryNon-MFC DLL

      DLL.CDllMain ()

      1_declspec(dllexport)

      2.def

    • 2MFC AppWizard[DLL]/DLL


    6 6471877

    • Labwindows CVIDLL

      Labwindows CVIDLLBuidTarget TypeDynamic Link Library,BuidConfigurationRelease,Create Release Dynamic Link LibraryBuildDLLBuildTarget SettingsDLLCreate Release ExecutableDLLDLL,BuildConfigurationDebugBuildCreate Debuggable Dynamic Link Library


    6 6471877

    • DLLMain

      Insert ConstructsDLLMain

      int __ stdcall DllMain(HINSTANCE hinstDLL,DWORD fdwReason,LPVOID lpvEeserved)

      {

      Switch(fdwReason)

      {

      case DLL_PROCESS_ATTACH:

      if(InitCVIRTE)(hinstDLL,0,0)==0)

      return 0;

      break;

      case DLL_PROCESS_DETACH: CloseCVIRTE();

      break;

      }

      return 1;

      }


    6 6471877

    • DLL

      DLLLabWindows/CVIDLL


    6 6471877

    • SJ8002B

      Labwindows CVI 7.0 sj8002b.dllSJ8002BLabview 7.0

      sj8002b.prjsj8002b.cCsj8002b.hH2sj8002b.prj


    6 6471877

    SJ8002BBuidTarget TypeDynamic Link LibraryBuildTarget SettingsBuildCreat Debuggable Dynamic Link Libara4-9


    6 6471877

    • LabviewDLLCLF

    • 1Labview(Block Diagram)All functions>Advanced>CLFCall Library Founction Node)


    6 6471877

    • 2(Block Diagram)CLFsj8002b.dll


    6 6471877

    • 3Library Name Or Pathsj8002b.dllD:\my-work\SJ-\SJ-8002B hb\\dll use\sj8002b.dllDLLBrowseFunction Nameprofession_sourceCalling ConventionsCstdcallWINDOWS


    6 6471877

    • 4Add aparameter Afterprofession_source

      CLF


    6 6471877

    6.8

    • 1

      140MHz80MHz

      264k128k

      38

      410MHz

      5


    6 6471877

    • 2

      1A,B,A+BA*B

      2//

      3/

      4

      5XY


    6 6471877

    • 1


    6 6471877

    • 2.

      LabVIEW


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