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光纤振动传感器探头的设计
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2009-07-01
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提出和论述了一种光纤振动传感器的原理和探头设计方法。使用悬臂梁来遮挡反射回光纤的光,用光强度调制来实现振动信号的测量。这种传感探头只需一根光纤引出,紧凑小巧,易于安装调试。结果表明,这种光纤振动传感器传感头是可靠而耐用的,长时间工作稳定,抗外界干扰强,易制作,易安装。
关键词: 光纤; 传感器; 振动
Abstract : The principle and the devising technology for sensing head of a fiber optical vibration sensors are described in this paper. A cantilever is used to block the light reflected into optical fiber , and the vibration signal can be measured through the intensity modulation. The sensor head needs only one optical fiber , and it is compact and easily built . The measuring sensitivity is analyzed , the designing and manufacturing methods are also introduced.
Key words : optical fiber ; sensor ; vibration
关键词: 光纤; 传感器; 振动
Abstract : The principle and the devising technology for sensing head of a fiber optical vibration sensors are described in this paper. A cantilever is used to block the light reflected into optical fiber , and the vibration signal can be measured through the intensity modulation. The sensor head needs only one optical fiber , and it is compact and easily built . The measuring sensitivity is analyzed , the designing and manufacturing methods are also introduced.
Key words : optical fiber ; sensor ; vibration
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