基于AT89S52单片机智能仪器的抗干扰技术研究  

Study on AT89S52-based Anti-interference Technology Used in Intelligent Instruments

作　　者：郭一军[1] 张迁 

机构地区：[1]黄山学院电子信息工程系,安徽黄山245021 [2]昆明船舶设备集团公司,云南昆明650236

出　　处：《自动化仪表》2009年第5期63-65,共3页Process Automation Instrumentation

基　　金：黄山学院科学研究计划资助项目(编号:2007xkjq006)

摘　　要：单片机在智能仪器仪表中获得了广泛的应用。在智能仪器的使用现场存在着许多干扰源,为了提高智能仪器的精度和工作可靠性,必须采取抗干扰措施。从软硬件两方面研究了智能仪器的抗干扰措施,这些措施对于提高智能仪器的可靠性具有显著的效果。Single chip computers have been widely used in intelligent instruments. While various interference sources often exist in such applicable fields. In order to guarantee accuracy and reliability of these intelligent instruments, it is necessary to take anti-interference measures in intelligent instruments. The anti-interference measures are researched in hardware and software aspects, these measures improve the reliability of intelligent instruments greatly.

关 键 词：智能仪器 抗干扰 数字滤波 干扰源 耦合 电源干扰 

分 类 号：TN973.3[电子电信—信号与信息处理]