介绍了分布式光纤传感器的当前进展及发展趋势。
The current development and trend of distributed optical fiber sensors are introduced.
分析了偏振模耦合原理的分布式光纤传感器的自相干与互相干光；
Phenomena of self-coherence and mutual-coherence of the distributed fiber optic sensor based on the principle of polarized-mode coupling are analyzed.
本文从理论分析与实验验证两方面对分布式光纤传感器进行研究。
Distributed optical fiber sensor is researched from the two aspects of theoretical analysis and experimental verification.
目的介绍了基于布里渊散射的分布式光纤传感器的当前进展及趋势。
Aim To introduce the present development research on the Brillouin scattering distributed optic fiber sensor.
为了解决土木工程结构中裂缝检测的难题，可以通过在结构中埋入分布式光纤传感器实现。
To overcome the difficulty in the detection of cracks in concrete, distributed optical fiber sensors can be preembedded in structures.
用保偏光纤作为传感光纤的分布式光纤传感器，被测外界量引起保偏光纤中传播的两正交偏振模的相互耦合。
For a distributed fiber sensor taking a polarization-maintaining fiber as sensing fiber, the environment factors induce the orthogonal polarization modes propagated in the fiber coupling each other.
新近开始研究的一种监测手段——在土木工程中埋入分布式光纤传感器进行裂缝监测可以有效地解决这一难题。
This problem can be solved effectively by a newly researched sensing means, i. e. crack detection by embedding distributed optical fiber into civil engineering works.
最后展望了光纤分布式测温传感器在油田测试中的应用前景。
Finally the application prospect of distributed fiber optic temperature sensors in oil field measurement are looked forward.
该光纤微弯压力传感器能够组成分布式光纤测试系统，具有机械调零、过载保护功能。
This sensor can form a distributed fiber optic measuring system and it has the function of zero adjustment and overload protection.
本论文从理论和实验两个方面对分布式干涉型光纤振动传感器系统的数据采集和信号处理进行分析和探讨。
In this paper, the data acquisition and processing of distributed optical fiber vibration sensor system is analysed and discussed both in theory and experiments.
系统利用分布式光纤光栅温度传感器对电力线路温度数据进行实时检测，然后将检测到的温度数据传送至数据处理部分。
The data acquisition sub-system USES distributed optical fiber grating temperature sensor system to measure the temperature of the cables, and transmits the data to the data processing sub-system.
光纤传感器的分布式布置可以监测材料变形的整个过程，并可对变形位置定位。
The optical fiber sensor can be used to monitor materials' deformation and locate it when the layout is distributed.
分布式传感器是光纤光栅的重要应用方面之一。
Distributed sensors is one of important applications of fiber Bragg gratings.
该光纤微弯压力传感器能够组成分布式光纤测试系统，具有机械调零、过载保护功能。
This sensor can form a distributed fiber optic measuring system and it has the function of mechanical zero adjustment and overload protection.
研究了一种基于波分复用原理的准分布式光纤表面等离子体波传感器。
A quasi-distributed optical fiber surface plasmon resonance (SPR) sensor based on wavelength division multiplexing is studied.
光纤背向散射效应直接应用于光纤拉曼放大器和分布式光纤拉曼温度传感器系统。
The backscattering effect of optical fiber has been applied to fiber Raman amplifier and distributed optical fiber Raman temperature sensors system.
与传统的SPR传感器相比，该传感器大大降低了成本，其原理也可以很容易地移植到分布式光纤spr传感器的设计中。
The sensor can reduce the cost of device compared with the traditional SPR sensor and the idea can be transplanted to the design of distributed optical fiber SPR sensor easily.
本文在对各种分布式温度传感器进行比较分析的基础上，确定了所采用的基于拉曼散射的光纤温度传感方案。
Deep research is taked on the distributed optic fiber temperature sensor in this thesis, and the distributed optic fiber sensor based on the Raman scattering is adoptioned.
因此基于结构的振动是多个振动模态按一定比例线性的叠加的理论基础，提出了一种新型传感器，分布式光纤曲率模态传感器用于薄结构的振动测量。
Based on practical structure can be regarded as the stack of multiple vibration mode, a new concept of modal curvature sensors with optical fiber is proposed to measure vibration mode.
因此基于结构的振动是多个振动模态按一定比例线性的叠加的理论基础，提出了一种新型传感器，分布式光纤曲率模态传感器用于薄结构的振动测量。
Based on practical structure can be regarded as the stack of multiple vibration mode, a new concept of modal curvature sensors with optical fiber is proposed to measure vibration mode.
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