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visual instrument 電子視覺琴。

The apparatus , with the specialities such as miniature , automation , flexibility , and individual - computer managing has become the developing trendof the testing equipment today . based on analysis of the characteristic and the system structure of the visual instrument , the paper has studied the design idea of it , put forward the exploiting methods of the visual instrument based on the object - oriented technique , exoatiated on the technique kernel of design the visual instrument under windows environment , designed a typical visual instrument “ vis - 1 signal - analyzing and wave - displaying system “ , which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument . the system has more excellent functions and characteristics than traditional instruments 本文研究了虛擬儀器系統的設計思想,在分析虛擬儀器系統的特點及其體系結構的基礎上,提出了基于面向對象技術的虛擬儀器系統開發方法;闡述了windows環境下實現虛擬儀器的技術要點;實現了一個典型的虛擬儀器系統“ vis ? 1信號示波分析系統” ,該系統集普通示波器、超低頻示波器、存儲示波器、瞬態信號記錄儀、波形及頻譜分析儀等多種儀器功能于一身,并具有許多傳統儀器難以達到的優越功能和性能。

visual literacy

The apparatus , with the specialities such as miniature , automation , flexibility , and individual - computer managing has become the developing trendof the testing equipment today . based on analysis of the characteristic and the system structure of the visual instrument , the paper has studied the design idea of it , put forward the exploiting methods of the visual instrument based on the object - oriented technique , exoatiated on the technique kernel of design the visual instrument under windows environment , designed a typical visual instrument “ vis - 1 signal - analyzing and wave - displaying system “ , which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument . the system has more excellent functions and characteristics than traditional instruments 本文研究了虛擬儀器系統的設計思想,在分析虛擬儀器系統的特點及其體系結構的基礎上,提出了基于面向對象技術的虛擬儀器系統開發方法;闡述了windows環境下實現虛擬儀器的技術要點;實現了一個典型的虛擬儀器系統“ vis ? 1信號示波分析系統” ,該系統集普通示波器、超低頻示波器、存儲示波器、瞬態信號記錄儀、波形及頻譜分析儀等多種儀器功能于一身,并具有許多傳統儀器難以達到的優越功能和性能。

Focus on the method of driver usb device in labview develop environment , three ways ( i / o , cin , clf ) were discussed , and the way of using visa ( visual instrument software architecture ) to communicate with usb device was used that can easily develop instruments driver and application software and improve the applicability of instruments on various operating systems 并重點分析了常用的labview開發環境下驅動自制數據采集卡的三種方式:直接訪問寄存器方式;調用c語言源代碼方式;調用動態連接庫函數的方式。提出了利用visa ( visualinstrumentsoftwarearchitecture )來直接驅動usbraw設備,簡化驅動程序和虛擬儀器軟件的開發難度,提高儀器在多種操作平臺上的通用性。

A digital automatic ultrasonic inspection system designation is introduced . this system was developed with pc computer and embedded dsp , combining computer software and hardware , ultrasonic nondestructive testing , digital signal processing , embedded rtos and visual instruments technology . it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation 該方案以pc機和dsp系統為核心構成主從機系統框架,以基于虛擬儀器思想的pc機應用程序和基于dsp的嵌入式實時操作系統構成雙重軟件結構,把傳統的超聲波無損檢測技術和先進的虛擬儀器技術、數字信號處理技術、嵌入式實時操作系統、計算機接口通信技術相結合,從而滿足了自動化探傷中1k / s的重復頻率和實時報警的要求。

The author brings forward a scheme of vxi bus based broadband digitalize monitoring receiver , on the basis of his deep research on vxi bus technology and visual instrument software architecture 本文作者在深入研究vxi總線技術和虛擬儀器軟件體系的基礎上,提出了vxi總線平臺的寬帶數字化監測接收機方案。

In view of the testing software ' s visualization and operability , an advanced software - - - - - labview ( laboratory visual instrument engineering workbench ) is adopted to exploit this system 考慮到測試軟件的可操作性和直觀性,文中采用先進的測試軟件- - labview虛擬儀器平臺開發了該系統。

Then the characteristic of the data analysis and processing system which are made by labview based on visual instrument technology is introduced 然后介紹了基于虛擬儀器技術的labview軟件編程特點,并詳細介紹了利用該軟件編制的數據處理分析系統。

The researches deal with biological engeneering , orthopaedics and physiology with the visual instruments and inspection methods 研究的內容涉及人體工程學矯形學生理學,還配置了各種模擬機臺和檢測手段。

Telescopes and microscopes are visual instruments 望遠鏡和顯微鏡是光學儀器。