基于LabVIEW的微震实时监测系统  

Real-time Detecting System for Microseism Based on LabVIEW

作　　者：李冬辉[1] 刘勇[1] 王斌[1] 

机构地区：[1]天津大学电气与自动化工程学院,天津300072

出　　处：《计算机测量与控制》2008年第1期30-32,48,共4页Computer Measurement &Control

摘　　要：以往基于DSP或其他单片机的微震系统,其资源的有限性很难达到理想的采集效果,同时也难以完成先进算法的实现,而对微震信号的去噪与还原在监测系统中起着很重要的作用;在深入分析小波变换的信号去噪方法基础上,对微震信号进行了处理,得到高信噪比的微震记录,实现了对噪声的有效抑止;同时在LabVIEW平台软件设计的基础上,实现了一种基于虚拟仪器微震实时检测的设计方案,充分发挥了虚拟仪器的优势,结果表明基于LabVIEW的微震系统能很好地完成实时监测及其分析。As the mine accidents happen frequently in recent years, the detecting technology for microseism becomes much more important. However, there is no advanced microseism detecting system at home, It＇s pretty important for microseism＇s denoising and Reversion. A wavelet denoising method is presented here to process microseism signal, and the microseism record can get high signal to noise ratio. Meanwhile based on the software of LabVIEW, a design of real time detecting system for microseism based on virtual instrument is presented. The advantage of the virtual instrument was sufficiently exerted to achieve the real--time detecting and analyzing of the microseism.

关 键 词：微震 PCI采集卡 小波变换 虚拟仪器 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]