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With the rapid development of computer technology , large-scale integrated circuit technology and communication technology , the field of instrument technology has undergone tremendous changes, the virtual test technology into the field of the instrument . Have been born with the associated software , virtual instrument will gradually replace the traditional test equipment to become the mainstream of the test equipment . Of the subject application examples of virtual instrument technology in engineering practice , the history of the development of virtual instruments , composition and characteristics of a systematic analysis were reviewed , the virtual instrument technology in the field of teaching, communication , defense and other analysis virtual Instrument in the breadth and depth of life , economic, military and other fields , objectively and clearly outlined the potential applications of virtual instrument technology . Virtual instrument hardware systems , software systems and development platforms in detail , and a brief introduction with concrete examples based on LabVIEW virtual instrument development process . NI LabVIEW 7 Express platform , based on the PCI - 6070E data acquisition card , developed a series of virtual instruments, such as the function signal generator , dual-channel virtual oscilloscope , virtual millivoltmeter development virtual instrument the traditional instrument measurements for comparison, the measurement performance of the virtual instrument , come to a virtual instrument measurement accuracy to meet the basic conclusions of the range of test and measurement requirements . Aspects of the subject , the actual Navy firing range , virtual instrument technology in the application of the Navy firing range in remote monitoring and network management, online monitoring and remote diagnostics to improve the capacity of the mobile support , create a virtual laboratory , rich instrument measurement instruments are described. Missile launch control test system and virtual digital voltmeter automatic detection system based on virtual instrument technology , a preliminary design , design verification virtual instrument technology in the availability and applicability of the Navy firing range . The virtual instrument technology to the conclusion that large-scale promotion in the Navy firing range on research and made ??recommendations on the work carried out to expand the application of virtual instrument technology in the Navy firing range .
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