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光纤分布式传感器技术是指利用光纤的相关物理特性对被测场的空间和时间行为进行实时检测。该技术对于大型结构的应变场分布和温度场分布的检测有重要使用价值。在世界各地从事光纤传感器技术研究的学者的不懈努力下,已经研究开发成功了多种类型的分布式传感器系统,并已经有部分产品应用于生产实践中。本文详细地阐述了光纤分布式传感器的基本原理,并简要地介绍了不同种类的光纤分布式传感器系统的系统组成。
Fiber Distributed Sensor Technology refers to the use of fiber-related physical properties of the measured field of space and time behavior of real-time detection. The technology for large structures of the strain field distribution and temperature field distribution of important value. With the unremitting efforts of scholars working on optical fiber sensor technology all over the world, many types of distributed sensor systems have been successfully researched and developed, and some products have been used in production practice. This paper describes in detail the basic principle of optical fiber distributed sensors and briefly introduces the system components of different kinds of optical fiber distributed sensor systems.