虚拟仪器技术——现代电工电子测量仪器的发展方向

VIRTUAL INSTRUMENT TECHNOLOGY——THE DIRECTION OF MODERN ELECTRICALAND ELECTRONIC INSTRUMENTS

虚拟仪器是电子技术、测量技术和计算机技术共同发展的产物。本文回顾电工电子测量仪器的发展过程，对其发展阶段的划分提出一种新的看法。文中还详细探讨虚拟仪器的基本概念、虚拟仪器的优点和特点、虚拟仪器的一般结构及ＶＸＩ总线技术，并浅析我国仪器产业所面临的机遇与挑战。

Virtual instrument(VI) is the outcome accomplished with the development of electronics technology, measurement & test sciences as well as computer technology. Through reviewing the history of the electrical and electronic instruments, this article presents a novel view about how to divide their development stages. The basic concept, advantages, characteristics and general structures of the VI, and VXI bus technology are introduced. Finally the opportunity and challenge of the domestic instrument industry to be confronted are discussed.