CN106610303B - 一种基于fft和编码的botdr传感方法和系统 - Google Patents
一种基于fft和编码的botdr传感方法和系统 Download PDFInfo
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- CN106610303B CN106610303B CN201611168038.5A CN201611168038A CN106610303B CN 106610303 B CN106610303 B CN 106610303B CN 201611168038 A CN201611168038 A CN 201611168038A CN 106610303 B CN106610303 B CN 106610303B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims abstract description 38
- 239000000835 fiber Substances 0.000 claims description 36
- 230000010287 polarization Effects 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000004044 response Effects 0.000 claims description 8
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 5
- 210000001367 artery Anatomy 0.000 claims description 4
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- 210000003462 vein Anatomy 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
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- 230000009466 transformation Effects 0.000 claims 1
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- 238000005516 engineering process Methods 0.000 description 8
- 230000000295 complement effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
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CN201611168038.5A CN106610303B (zh) | 2016-12-16 | 2016-12-16 | 一种基于fft和编码的botdr传感方法和系统 |
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CN201611168038.5A CN106610303B (zh) | 2016-12-16 | 2016-12-16 | 一种基于fft和编码的botdr传感方法和系统 |
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CN106610303A CN106610303A (zh) | 2017-05-03 |
CN106610303B true CN106610303B (zh) | 2019-05-17 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110243492B (zh) * | 2019-06-03 | 2020-09-18 | 太原理工大学 | 基于超连续谱的布里渊光相关域分析器装置及方法 |
CN110823411B (zh) * | 2019-11-25 | 2021-04-27 | 国家电网有限公司 | 基于光谱傅里叶变换解调的高精度光纤温度测量装置及方法 |
CN112665753B (zh) * | 2020-12-15 | 2021-10-29 | 成都陆迪盛华科技有限公司 | 一种在光放大下分布式光纤温度传感的编码装置及方法 |
CN112781634B (zh) * | 2021-04-12 | 2021-07-06 | 南京信息工程大学 | 一种基于YOLOv4卷积神经网络的BOTDR分布式光纤传感系统 |
Citations (2)
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CN101813497A (zh) * | 2010-04-22 | 2010-08-25 | 南京大学 | 一种布里渊散射谱实时频谱分析装置及其数据处理方法 |
CN203414195U (zh) * | 2013-06-04 | 2014-01-29 | 燕山大学 | 一种采用ccpons脉冲编码的botdr传感器 |
Family Cites Families (3)
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JP5122120B2 (ja) * | 2006-12-13 | 2013-01-16 | 横河電機株式会社 | 光ファイバ特性測定装置 |
KR101130344B1 (ko) * | 2009-12-28 | 2012-03-26 | 중앙대학교 산학협력단 | 브릴루앙 동적 격자의 시간 영역 분석을 이용한 분포형 광섬유 센서 장치 및 그 센싱 방법 |
CN103245370B (zh) * | 2013-04-10 | 2015-11-18 | 南京大学 | 基于脉冲编码和相干探测的botda系统 |
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2016
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101813497A (zh) * | 2010-04-22 | 2010-08-25 | 南京大学 | 一种布里渊散射谱实时频谱分析装置及其数据处理方法 |
CN203414195U (zh) * | 2013-06-04 | 2014-01-29 | 燕山大学 | 一种采用ccpons脉冲编码的botdr传感器 |
Non-Patent Citations (2)
Title |
---|
SNR enhancement in Brillouin optical time domain reflectometer using multi-wavelength coherent detection;Cunlei Li等;《ELECTRONICS LETTERS》;20120830;第48卷(第18期);正文的第1页左栏第2段至第2页右栏第2段及图2 |
相干BOTDR温度和应变传感器系统关键技术研究;黄春林;《中国优秀硕士学位论文全文数据库 信息科技辑》;20110415(第04期);正文的第2页第3段至第5页第1段,第13页第1段至第25页第3段 |
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Address after: 210000 No. 2 Xianyao Road, Yaohua Street, Qixia District, Nanjing, Jiangsu Province Patentee after: Nanjing Faab Photoelectric Technology Co., Ltd. Address before: 210000 Room 1002, 16 Building, Landscape Beiyuan, Shangcheng, No. 7 Yaojia Road, Yaohua Street, Qixia District, Nanjing City, Jiangsu Province Patentee before: Nanjing Faaibo Optoelectronics Technology Co., Ltd. |
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Effective date of registration: 20200630 Address after: 210000 No. 2 Xianyao Road, Yaohua Street, Qixia District, Nanjing, Jiangsu Province Patentee after: Nanjing fabo optical fiber sensing technology Co., Ltd Address before: 210000 No. 2 Xianyao Road, Yaohua Street, Qixia District, Nanjing, Jiangsu Province Patentee before: NANJING FIBER TECHNOLOGY Co.,Ltd. |
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