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Abstract:
介绍了一种基于萨尼亚克(Sagnac)干涉仪的直线型分布式光纤管道泄漏监测系统,实时进行管道泄漏监测和定位.此系统有两条传感光纤,可有效提高管道监测距离.推导了泄漏信号引起的光信号相位变化表达式;分析了该干涉仪应用于泄漏检测的原理及其泄漏源定位方法,并在分别距两传感光纤末端的法拉第旋转镜为3.990km和4.024 km处进行了泄漏检测实验.管道泄漏实验结果表明,该系统较准确地确定了泄漏源位置且定位误差小于1.05%.
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Source :
光学学报
ISSN: 0253-2239
Year: 2008
Issue: 1
Volume: 28
Page: 123-127
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 75
Chinese Cited Count:
30 Days PV: 2
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