CN205898286U - 可消衰落噪声的分布式光纤振动传感系统 - Google Patents
可消衰落噪声的分布式光纤振动传感系统 Download PDFInfo
- Publication number
- CN205898286U CN205898286U CN201620842060.2U CN201620842060U CN205898286U CN 205898286 U CN205898286 U CN 205898286U CN 201620842060 U CN201620842060 U CN 201620842060U CN 205898286 U CN205898286 U CN 205898286U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- sensing system
- frequency sweep
- light pulse
- curve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620842060.2U CN205898286U (zh) | 2016-08-05 | 2016-08-05 | 可消衰落噪声的分布式光纤振动传感系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620842060.2U CN205898286U (zh) | 2016-08-05 | 2016-08-05 | 可消衰落噪声的分布式光纤振动传感系统 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205898286U true CN205898286U (zh) | 2017-01-18 |
Family
ID=57783004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620842060.2U Active CN205898286U (zh) | 2016-08-05 | 2016-08-05 | 可消衰落噪声的分布式光纤振动传感系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205898286U (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112747815A (zh) * | 2021-01-06 | 2021-05-04 | 苏州光格科技股份有限公司 | 一种分布式光纤声波传感系统中的相干衰落噪声抑制方法 |
CN113299023A (zh) * | 2021-05-21 | 2021-08-24 | 孙安 | 一种噪声自补偿分布式光纤防入侵传感阵列系统及方法 |
US11499849B2 (en) | 2019-06-28 | 2022-11-15 | Alcatel Submarine Networks | Method and apparatus for suppression of noise due to transmitted signal instability in a coherent fiber optical sensor system |
US11828631B2 (en) | 2019-06-28 | 2023-11-28 | Alcatel Submarine Networks | Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensor |
-
2016
- 2016-08-05 CN CN201620842060.2U patent/CN205898286U/zh active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11499849B2 (en) | 2019-06-28 | 2022-11-15 | Alcatel Submarine Networks | Method and apparatus for suppression of noise due to transmitted signal instability in a coherent fiber optical sensor system |
US11828631B2 (en) | 2019-06-28 | 2023-11-28 | Alcatel Submarine Networks | Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensor |
CN112747815A (zh) * | 2021-01-06 | 2021-05-04 | 苏州光格科技股份有限公司 | 一种分布式光纤声波传感系统中的相干衰落噪声抑制方法 |
CN112747815B (zh) * | 2021-01-06 | 2024-02-02 | 苏州光格科技股份有限公司 | 一种分布式光纤声波传感系统中的相干衰落噪声抑制方法 |
CN113299023A (zh) * | 2021-05-21 | 2021-08-24 | 孙安 | 一种噪声自补偿分布式光纤防入侵传感阵列系统及方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106052842B (zh) | 可消衰落噪声的分布式光纤振动传感系统及其解调方法 | |
Xiong et al. | Single-shot COTDR using sub-chirped-pulse extraction algorithm for distributed strain sensing | |
CN205898286U (zh) | 可消衰落噪声的分布式光纤振动传感系统 | |
CN107101658B (zh) | 相位敏感光时域反射分布式光纤传感系统快速定位方法 | |
CN105509868B (zh) | 相位敏感光时域反射光纤分布式传感系统相位计算方法 | |
CN105806465B (zh) | 一种基于固定反射点的新型φ-otdr探测装置及其探测方法 | |
CN106338308A (zh) | 一种基于超短光纤光栅阵列的分布式多参数传感系统 | |
CN107990970B (zh) | 消除分布式光纤声波系统中衰落噪声的方法 | |
CN102384799B (zh) | 基于布里渊分布式光纤传感系统相干检测方案的扫频及数据处理方法 | |
CN107036734B (zh) | 一种全分布式光纤温度或应变的传感方法与传感器 | |
CN102865914B (zh) | 分布式光纤振动传感器 | |
CN108036852A (zh) | 一种光纤声传感器及多点声波检测装置 | |
CN105067103A (zh) | 基于光频域反射计的振动检测装置及其方法 | |
AU2020102296A4 (en) | A distributed optical fiber sensing system based on heterodyne detection technology | |
CN109459126A (zh) | 一种降低探测死区概率的分布式光纤振动传感装置及方法 | |
CN102645268A (zh) | 光频分复用相位敏感光时域反射计 | |
CN105222816B (zh) | 基于调制脉冲和多重散射的多参数分布式光纤传感系统 | |
CN205981438U (zh) | 分布式光纤传感系统 | |
CN108303626B (zh) | 基于分布式光纤传感阵列的局部放电超声测量系统与方法 | |
CN106768277A (zh) | 一种基于相干相位检测的分布式光纤振动传感装置 | |
CN105784101A (zh) | 基于光纤弱反射点阵Fizeau干涉分布式振动传感系统及方法 | |
CN105157874A (zh) | 一种分布式边界安防监测系统及方法 | |
CN114543973B (zh) | 一种分布式超高频振动信号测量方法及光纤传感器 | |
CN103017887A (zh) | 一种光纤振动传感系统及其检测方法 | |
CN205120239U (zh) | 基于光频域反射计的振动检测装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190329 Address after: Room 105G, 199 GuoShoujing Road, China (Shanghai) Free Trade Pilot Area, Pudong New Area, Shanghai, 200120 Co-patentee after: Liu Qingwen Patentee after: Shanghai Jiaotong University Intellectual Property Management Co., Ltd. Address before: 200240 No. 800, Dongchuan Road, Shanghai, Minhang District Patentee before: Shanghai Jiao Tong University |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190904 Address after: Room 403, Building No. 555 Dongchuan Road, Minhang District, Shanghai, 200241 Patentee after: Park Niu (Shanghai) Technology Co., Ltd. Address before: Room 105G, 199 GuoShoujing Road, China (Shanghai) Free Trade Pilot Area, Pudong New Area, Shanghai, 200120 Co-patentee before: Liu Qingwen Patentee before: Shanghai Jiaotong University Intellectual Property Management Co., Ltd. |