ABSTRACT
Along with social progress and the development of science and technology, the demand for product testing has been constantly improved in modern society which makes test system become more and more complicated as the inherent disadvantages of traditional test in itself is very dicult to adapt to the requirements of modern test and people also gradually pay much attention to cost control and investment protection of the test system. Virtual Instrument is a new technology along with the development of computer software technology, fully uses strong software and hardware functions of computers and combines computer technology and test technology closely which prompts traditional test instruments to develop in digital, intelligent, modular and networked direction, widely being applied to multiply fields such as military, electrical measurement, aerospace, engineering measurement, medical treatment, vibration analysis, acoustic analysis, entertainment, etc. It is an important technology in the field of current computer aided testing (CAT).
