CN106323448B - 基于随机采样的高频振动分布式光纤传感*** - Google Patents
基于随机采样的高频振动分布式光纤传感*** Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
- G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element
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CN109298010A (zh) * | 2017-07-25 | 2019-02-01 | 中国石油化工股份有限公司 | 一种检测岩芯高温熔融特征的*** |
CN107643120A (zh) * | 2017-11-10 | 2018-01-30 | 武汉理工光科股份有限公司 | 避免偏振衰落的分布式光纤瑞利散射振动传感***和方法 |
CN108225540B (zh) * | 2017-12-29 | 2020-05-12 | 北京航天控制仪器研究所 | 一种大动态范围的外差干涉式光纤水听器*** |
CN108981890B (zh) * | 2018-06-06 | 2021-01-05 | 重庆大学 | 基于多载波非线性调频的分布式振动传感器 |
CN111609919B (zh) * | 2020-06-09 | 2021-06-01 | 重庆大学 | 光纤分布式振动和损耗同时检测*** |
CN111609918A (zh) * | 2020-06-09 | 2020-09-01 | 重庆大学 | 基于包络检波电路的光纤分布式振动传感*** |
CN112729144B (zh) * | 2020-12-18 | 2022-08-19 | 南京大学 | 一种基于分布式光纤传感的多路光电复合缆区分方法 |
CN114543973B (zh) * | 2022-02-28 | 2023-07-25 | 华中科技大学 | 一种分布式超高频振动信号测量方法及光纤传感器 |
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CN101825499B (zh) * | 2010-05-18 | 2012-06-06 | 华北电力大学(保定) | 一种基于光纤布里渊散射原理的海水温度剖面测量方法 |
CN102589578B (zh) * | 2012-03-07 | 2014-09-24 | 杭州安远科技有限公司 | 基于相位解调的分布式光纤传感装置及方法 |
CN102865914B (zh) * | 2012-09-19 | 2013-12-18 | 朱涛 | 分布式光纤振动传感器 |
CN102928063B (zh) * | 2012-11-20 | 2014-02-26 | 重庆大学 | 基于波分复用技术的分布式光纤振动传感*** |
CN102967358B (zh) * | 2012-12-13 | 2014-12-24 | 重庆大学 | 时分复用的分布式光纤振动传感器 |
CN103954308B (zh) * | 2014-05-09 | 2016-05-25 | 南京发艾博光电科技有限公司 | 光纤扰动探测方法及装置 |
CN103954348B (zh) * | 2014-05-12 | 2016-04-13 | 重庆大学 | 基于差分脉冲序列的分布式光纤振动传感*** |
CN104457960B (zh) * | 2014-12-11 | 2017-05-24 | 中国科学院半导体研究所 | 一种基于相干接收技术的分布式光纤传感*** |
CN105547459A (zh) * | 2016-01-18 | 2016-05-04 | 重庆大学 | 分布式光纤振动传感***采样控制方法 |
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Inventor after: Zhu Tao Inventor after: Zhang Jingdong Inventor after: Bai Yongzhong Inventor after: Qu Dingrong Inventor after: Qiu Feng Inventor after: Huang Xianbin Inventor before: Zhu Tao Inventor before: Zhang Jingdong |
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