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一、概述利用计算技术,以微处理机为核心监控器加上大规模功能集成电路发展起来的智能自动检测分析仪表,是现代国内外仪器仪表研究的方向。采用微处理机的仪器有一个很重要的特点,那就是如要增加其功能,所要增加的硬件及成本对整个系统来说往往是很少的。扩大仪器功能往往只意味着再多写几行程序代码,而不是靠增加相应的硬件电路,因此以微处理机为基础的仪器设计成多功能是合理的。这种新型仪器的功能复杂性是传统仪器无法比拟的,况且很多“智能”型的功能要靠纯硬件实现显然是不现实的。这种仪器的另一个重要特点是
I. Overview The use of computing technology to microprocessor as the core monitor plus large-scale integrated circuits developed intelligent automatic detection and analysis instruments, modern instrumentation at home and abroad the direction of research. An important feature of a microprocessor-based instrument is that the hardware and costs to be added are often small for the entire system to increase its functionality. Expanding the functionality of an instrument often means only writing a few more lines of code, rather than adding corresponding hardware circuitry, so it is reasonable to design microprocessors as instruments based on multiple functions. The functional complexity of this new instrument is unmatched by traditional instruments. Moreover, it is obviously unrealistic to rely on pure hardware for many “smart” functions. Another important feature of this instrument is