What is electronic measurement?

Electronic measurement refers to the measurement technology based on electronic technology. It is the product of the combination of surveying and electronics. Electronic measurement not only uses the principles, methods and equipment of electronic science to measure the characteristics and parameters of various electric quantities, electrical signals and circuit components, but also can measure non-electric quantities through various sensitive devices and sensing devices. This measurement method is often more convenient, fast and accurate, and sometimes it is irreplaceable by other measurement methods. Therefore, electronic measurement is not only used in electrical specialty, but also widely used in physics, chemistry, mechanics, materials science, biology, medicine and other scientific fields, as well as in all aspects of production, national defense, transportation, communication, commerce, environmental protection and even daily life. In recent decades, the rapid development of computer technology and microelectronics technology has added great vitality to electronic measurement and measuring instruments. Electronic computers, especially microcomputers, are combined with electronic measuring instruments to form a new generation of instruments and testing systems, commonly known as "intelligent instruments" and "automatic testing systems". They can automatically measure multiple electrical parameters, select automatic range, record and process data, transmit data, correct errors, self-check, self-calibration, fault diagnosis and online testing. It not only changed some traditional measurement concepts, but also promoted the development of the whole electronic technology and other scientific technologies. Now, electronic measurement technology (including measurement theory, measurement methods, measuring instruments and devices, etc. ) has become an important and rapidly developing branch of electronic science.

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