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1、 虚虚 拟拟 仪仪 器器 virtual instrument 姓名：李盼盼nWhat is the virtual instrument technology The virtual instrument technology is using high-performance modular hardware, combining the highly efficient and flexible software to finish all kinds of test, measurement and automation applications. Flexible and effic
2、ient software can help you create fully customizable user interface, modular hardware can easily provide a comprehensive range of system integration, the standard software and hardware platform can meet the requirements of synchronization and timing application. n n什么是虚拟仪器技术？什么是虚拟仪器技术？ 虚拟仪器技术就是利用高性能
3、的模块化硬件，结合高效灵活虚拟仪器技术就是利用高性能的模块化硬件，结合高效灵活的软件来完成各种测试、测量和自动化的应用。灵活高效的的软件来完成各种测试、测量和自动化的应用。灵活高效的软件能帮助您创建完全自定义的用户界面，模块化的硬件能软件能帮助您创建完全自定义的用户界面，模块化的硬件能方便地提供全方位的系统集成，标准的软硬件平台能满足对方便地提供全方位的系统集成，标准的软硬件平台能满足对同步和定时应用的需求。同步和定时应用的需求。n nThe The virtual virtual instruments instruments is is popular popular with with
4、different different users users of of engineering engineering application application and and measurement measurement or or control. control. I I owe owe it it all all to to its its direct direct graphics graphics programming programming language. language. Virtual Virtual instrument instrument grap
5、hical graphical data data flow flow language language and and program program diagram diagram can can naturally naturally shows shows you you the the data data flow, flow, and and make make user user interface interface show show data data directly directly . . So So that that we we can can easily e
6、asily seesee、modify modify data data or or control control input.input.虚拟仪器在各种不同的工程应用和测量或控制的用户中广受欢迎，这都归功于其直观化的图形编程语言。虚拟仪器的图形化数据流语言和程序框图能自然地显示您的数据流，同时使用户界面直观地显示数据，使我们能够轻松地查看、修改数据或控制输入。n nThe main characteristics of virtual instruments are The main characteristics of virtual instruments are ： 1 1、Adop
7、ted Adopted the the general general hardware, hardware, all all kinds kinds of of difference difference of of instruments is mainly software .instruments is mainly software . 2 2、 Can Can take take full full advantage advantage of of the the computer computer ability, ability, strong strong data dat
8、a processing function, can create a more powerful instrument .processing function, can create a more powerful instrument . 3 3、 Users Users can can definition definition and and make make various various instruments instruments according to their own needs .according to their own needs .n n虚拟仪器的主要特点
9、有：虚拟仪器的主要特点有： 1 1、尽可能采用了通用的硬件，各种仪器的差异主要是软件。、尽可能采用了通用的硬件，各种仪器的差异主要是软件。 2 2、可可充充分分发发挥挥计计算算机机的的能能力力，有有强强大大的的数数据据处处理理功功能能， 可以创造出功能更强的仪器。可以创造出功能更强的仪器。 3 3、用户可以根据自己的需要定义和制造各种仪器。、用户可以根据自己的需要定义和制造各种仪器。 n nCompared with other technologies, the virtual instrument Compared with other technologies, the virtual
10、instrument technology has four advantage technology has four advantage ： 1 1、high performance high performance The The virtual virtual instrument instrument technology technology developed developed on on the the basis basis of of PC PC ，including including function function talented talented proces
11、sors processors and and file file I/O, I/O, make make you you can can real-time real-time to to carry carry on on complicated complicated analysis analysis while while data data high-speed high-speed import import disk. disk. In In addition, addition, the the constant constant development developmen
12、t of of the the Internet Internet and and faster faster computer computer network network makes makes the the virtual virtual instrument instrument technology technology show show its its more more formidable advantages. formidable advantages. 1 1、性能高、性能高 虚拟仪器技术是在虚拟仪器技术是在PCPC技术的基础上发展起来的，包括功能超卓的处技术的基
13、础上发展起来的，包括功能超卓的处理器和文件理器和文件I/OI/O，使您在数据高速导入磁盘的同时就能实时地进行，使您在数据高速导入磁盘的同时就能实时地进行复杂的分析。此外，不断发展的因特网和越来越快的计算机网络使复杂的分析。此外，不断发展的因特网和越来越快的计算机网络使得虚拟仪器技术展现其更强大的优势。得虚拟仪器技术展现其更强大的优势。 2 2、extensible extensible software software and and hardware hardware tools tools of of NI NI (national (national instruments instr
14、uments ) ) company company make make we we no no longer longer restricted restricted to to the the current current technology. technology. This This benefits benefits from from flexibility flexibility of of software, software, We We can can improve improve the the whole whole system system with with
15、 the the least least hardware hardware investment investment and and little, little, even even without without software software upgrades upgrades ,only ,only need need to to update update computers computers or or measuring measuring hardware hardware . . In In using using the the latest latest tec
16、hnology, technology, we we can can take take them them integrated integrated into into the the existing existing measuring measuring devices, devices, and and finally finally quicken quicken the the time time of of products products to to market .market . 2 2、扩展性强、扩展性强NINI的软硬件工具使得我们不再受限于当前的技术中。这得的软硬
17、件工具使得我们不再受限于当前的技术中。这得益于益于NINI软件的灵活性，只需更新计算机或测量硬件，就能软件的灵活性，只需更新计算机或测量硬件，就能以最少的硬件投资和极少的、甚至无需软件上的升级即可以最少的硬件投资和极少的、甚至无需软件上的升级即可改进整个系统。在利用最新科技的时候，我们可以把它们改进整个系统。在利用最新科技的时候，我们可以把它们集成到现有的测量设备，最终以较少的成本加速产品上市集成到现有的测量设备，最终以较少的成本加速产品上市的时间。的时间。 3 3、有效的软件体系、有效的软件体系结构可以结合最结构可以结合最新技术的计算机新技术的计算机, ,仪器和通讯仪器和通讯, ,同时同时也
18、提供了灵活的也提供了灵活的和强大的功能和强大的功能, ,使使我们很容易制作、我们很容易制作、发布、维护并修发布、维护并修改高性能改高性能 3 3、The The efficient efficient software software architecture architecture can can combine combine with with the the newest newest technology technology of of computercomputer、instruments instruments and and communication communic
19、ation ，At At the the same same time time also also provides provides flexible flexible and and powerful powerful function, function, make make us us easily easily createcreate、releaserelease、maintain maintain and and modify modify high-performance high-performance solutions solutions with with low c
20、ost.low cost. 的解决方案的解决方案, ,成本较成本较低。低。4 4、The The virtual virtual instrument instrument technology technology is is essentially essentially an an integrated integrated concept concept of of software software and and hardwarehardware . . Along Along with with the the product product on on the the func
21、tion function constantly constantly becomes becomes complicated complicated and and engineers engineers usually usually need need to to integrate integrate several several measuring measuring equipment equipment to to meet meet the the complete complete test test requirements, requirements, and and
22、connection connection and and integration integration of of these these different different equipment equipment should should always always spend spend a a lot lot of of time time . . Virtual Virtual instrument instrument software software platform platform of of NI NI provides provides standard sta
23、ndard interface interface for for all all the the I/O I/O devices devices , , helping helping us us easily easily multiple multiple measuring measuring equipment equipment integrated integrated into into a a single single system, system, reduce reduce the the complexity complexity of of the task.the
24、 task.4 4、虚虚拟拟仪仪器器技技术术从从本本质质上上说说是是一一个个集集成成的的软软硬硬件件概概念念。随随着着产产品品在在功功能能上上不不断断地地趋趋于于复复杂杂，工工程程师师们们通通常常需需要要集集成成多多个个测测量量设设备备来来满满足足完完整整的的测测试试需需求求，而而连连接接和和集集成成这这些些不不同同设设备备总总是是要要耗耗费费大大量量的的时时间间。NINI的的虚虚拟拟仪仪器器软软件件平平台台为为所所有有的的I/OI/O设设备备提提供供了了标标准准的的接接口口，帮帮助助我我们们轻轻松松地地将将多多个个测测量量设设备备集集成成到到单单个系统，减少了任务的复杂性个系统，减少了任务的
25、复杂性n n“ “Software Software is is that that the the instrument instrument ” ” raised raised by by NI NI is is the the core core idea idea of of virtual virtual instrument instrument . . As As the the PCPC、semiconductors semiconductors and and software software functions functions of of further furthe
26、r update, update, the the future future development development of of the the virtual virtual instrument instrument technology technology provide provide a a excellent excellent mode mode for for designing designing testing testing system, system, and and make make the the engineers engineers in in
27、measurement measurement and and control control gain gain formidable formidable function function and flexibility. and flexibility. n n“ “软软件件即即是是仪仪器器” ”这这是是NINI公公司司提提出出的的虚虚拟拟仪仪器器理理念念的的核核心心思思想想。随随着着PCPC、半半导导体体和和软软件件功功能能的的进进一一步步更更新新，未未来来虚虚拟拟仪仪器器技技术术的的发发展展将将为为测测试试系系统统的的设设计计提提供供一一个个极极佳佳的的模模式式，并并且且使使工工程程师师们们在在测测量量和和控控制制方方面面得得到到强强大大功功能能和和灵灵活性。活性。 The EndThank you !
