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Abstract:
为了提高干涉型光纤传感器的信号检测能力,开发了基于LabVIEW平台的锁相放大器,并用于Sagnac干涉型光纤管道泄漏检测系统,以解调干涉信号相位.分析了锁相放大器的信号解调原理及泄漏源定位方法,并在泄漏位置为5.0km处进行了有无泄漏及泄漏定位的实验研究.结果表明,该锁相放大器可以解调出泄漏信号,并能实现泄漏点精确定位.
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Source :
北京工业大学学报
ISSN: 0254-0037
Year: 2008
Issue: 3
Volume: 34
Page: 241-244,264
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 12
Chinese Cited Count:
30 Days PV: 0
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