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一、引言当代微电子技术与微型计算机技术使传统的测量与控制仪器仪表系统发生了巨大变革。自从1973年出现了内装微处理机的智能化仪器之后,十多年来这种以微处理机为基础的智能仪器获得了迅速发展并成为八十年代测控自动化系统的核心,代表了发展方向。
I. INTRODUCTION Contemporary microelectronic technology and microcomputer technology make great changes to the traditional instrumentation and control instrumentation system. Since the emergence of intelligent instruments with built-in microprocessors in 1973, the microprocessor-based smart instruments have enjoyed rapid development for more than a decade and have become the heart of automation and control systems of the 80’s and represent the direction of development.