抗干扰技术在高精度测温仪中的应用  

Application of Anti-interference Techniques in Highly Precise Temperature Measuring Instrument

作　　者：鄂飞[1] 程汉湘[1] 吴春芳[1] 朱约章[1] 

机构地区：[1]广东工业大学自动化学院,广州510090

出　　处：《自动化仪表》2004年第11期65-68,共4页Process Automation Instrumentation

摘　　要：以应用于联碱生产现场的高精度测温仪为例 ,分单元详细介绍了微机测控系统中硬件电路的抗干扰技术 ,包括接地技术、去耦技术、滤波技术 ;并说明了线性化处理。With the highly precise temperature measuring instrument applied in unified alkali production as example, the anti-interference techniques for hardware circuits in microcomputer based measurement and control system are introduced one by one, these include grounding, de-coupling and filtering. Some software anti-interference methods are also introduced, such as linear processing, digital filtering, etc.

关 键 词：抗干扰技术 软件抗干扰 线性化处理 微机测控系统 硬件电路 高精度 数字滤波 测温仪 滤波技术 现场 

分 类 号：TH811[机械工程—仪器科学与技术] TP368.1[机械工程—精密仪器及机械]