基于Labview的微型电场传感器自动标定系统  

Miniature electric field sensor calibration system based on Labview

作　　者：张海岩[1,2] 彭春荣[1] 刘世国[1] 杨鹏飞[1,2] 夏善红[1] 

机构地区：[1]中国科学院电子学研究所传感技术国家重点实验室,北京100190 [2]中国科学院研究生院,北京100039

出　　处：《信息与电子工程》2011年第5期619-622,共4页information and electronic engineering

基　　金："863"计划资助项目(2008AA042207);"863"计划资助项目(2006AA04Z347)

摘　　要：针对微型电场传感器输出信号弱(pA量级)、噪声强等特点,设计了一种新型的传感器微弱信号检测与标定测试系统。该系统采用Labview可视化编程语言,实现传感器的采集控制和信号处理,并基于新型的相关检测和噪声抑制技术,可实现信噪比达到-60dB的信号提取,通过加载相关测试模块,可进一步测得传感器的静态及动态指标,并谱出动态响应曲线。Aimed at the features of pA-level weak signal and strong background signals of the miniature electric field sensor, this paper designs a weak signal detection and calibration measurement system. Based on the visible program language Labview, this system can realize the sensor controlling and signal processing. In addition, through the new technique of correlation detection and background signal suppressing, it can achieve signal detection with a low SNR of -60 dB, and be capable of calibrating micro electric field sensor. By appending correlative measurement module, the static and dynamic parameters can be further detected, and the response curve can be plotted.

关 键 词：微型电场传感器 标定系统 LABVIEW语言 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]