CN114046810B - 光纤传感信号预处理装置及其方法 - Google Patents
光纤传感信号预处理装置及其方法 Download PDFInfo
- Publication number
- CN114046810B CN114046810B CN202111365757.7A CN202111365757A CN114046810B CN 114046810 B CN114046810 B CN 114046810B CN 202111365757 A CN202111365757 A CN 202111365757A CN 114046810 B CN114046810 B CN 114046810B
- Authority
- CN
- China
- Prior art keywords
- signal
- optical fiber
- sensing
- sensing signal
- analog
- 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
- 239000013307 optical fiber Substances 0.000 title claims abstract description 101
- 238000007781 pre-processing Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 230000002238 attenuated effect Effects 0.000 claims description 20
- 230000001427 coherent effect Effects 0.000 claims description 14
- 230000035559 beat frequency Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims 3
- 238000005259 measurement Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000253 optical time-domain reflectometry Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111365757.7A CN114046810B (zh) | 2021-11-17 | 2021-11-17 | 光纤传感信号预处理装置及其方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111365757.7A CN114046810B (zh) | 2021-11-17 | 2021-11-17 | 光纤传感信号预处理装置及其方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114046810A CN114046810A (zh) | 2022-02-15 |
CN114046810B true CN114046810B (zh) | 2023-05-30 |
Family
ID=80209976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111365757.7A Active CN114046810B (zh) | 2021-11-17 | 2021-11-17 | 光纤传感信号预处理装置及其方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114046810B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115333618B (zh) * | 2022-07-21 | 2024-03-12 | 昂纳科技(深圳)集团股份有限公司 | 光纤信道衰减检测方法、系统及装置、存储介质和终端 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6587421B1 (en) * | 1998-03-30 | 2003-07-01 | Seagate Technology Llc | Refractive index matching means coupled to an optical fiber for eliminating spurious light |
CN202257801U (zh) * | 2011-09-23 | 2012-05-30 | 无锡科晟光子科技有限公司 | 光纤传感系统连续光波自适应大动态范围信号处理模块 |
CN103808401B (zh) * | 2014-03-01 | 2016-04-27 | 安徽师范大学 | 后向散射光分布式放大装置及其控制方法 |
JP7029620B2 (ja) * | 2018-09-21 | 2022-03-04 | 南京牧▲レー▼激光科技有限公司 | パルス干渉ドップラー風計測レーザーレーダー及び風計測方法 |
CN109632076A (zh) * | 2019-01-31 | 2019-04-16 | 电子科技大学 | 长距离光纤分布式声波传感的放大系统及方法 |
CN112923959B (zh) * | 2021-01-27 | 2022-04-12 | 浙江大学 | 一种提升相位敏感光时域反射计传感距离的系统 |
-
2021
- 2021-11-17 CN CN202111365757.7A patent/CN114046810B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN114046810A (zh) | 2022-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104019836B (zh) | 基于相干双脉冲对序列技术布里渊光时域分析仪及利用该分析仪抑制共模噪声的方法 | |
EP4024008A1 (en) | Method and apparatus for optical sensing | |
CN114046810B (zh) | 光纤传感信号预处理装置及其方法 | |
CN111609918A (zh) | 基于包络检波电路的光纤分布式振动传感系统 | |
CN104734774A (zh) | 用于监控以及控制光通信系统的性能的方法和装置 | |
CN108592963B (zh) | 一种时分复用光纤传感系统乘性噪声的抑制方法及其系统 | |
EP2887083B1 (en) | Method of controlling electro-optical probe gain and sensitivity | |
CN113804283B (zh) | 一种干涉型光纤水听器相位噪声测试系统及方法 | |
US5319266A (en) | Differential boxcar integrator with auto-zero function | |
CN212254401U (zh) | 一种等效采样的光纤分布式温度测量装置 | |
US5621517A (en) | Method and apparatus for testing fiber optic telephone lines | |
EP0306227B1 (en) | Fiber optic sensor | |
CN111638402B (zh) | 测量微波电场中微波信号的频率的方法及系统 | |
AU2017200636B2 (en) | Method and apparatus for optical sensing | |
CN210323604U (zh) | 一种单轴Sagnac干涉仪相位偏置控制装置 | |
CN102944255B (zh) | 数字化光纤光栅解调仪表及方法 | |
EP3903078A1 (en) | A method and apparatus for pulsed power measurement | |
CN116112070A (zh) | 一种基于相位敏感的光时域反射仪及一种消除偏振相关损耗的方法 | |
CN210464657U (zh) | 基于分布式光纤声波传感系统的振动传感系统 | |
CN105356938A (zh) | 幅频调制信号的检测装置 | |
CN112511220B (zh) | 一种快速有效的判断多模光纤带宽的测量方法 | |
CN114518162B (zh) | 一种光纤水听器干涉信号强度补偿方法和系统 | |
CN112104414B (zh) | 一种传输介质检测方法、装置及存储介质 | |
CN212752265U (zh) | 一种采用edfa放大装置检测瑞利散射信号强度的系统 | |
Xu et al. | Research on Bandwidth suppression based on dual-channel time-sharing detection |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220615 Address after: 230026 Jinzhai Road, Baohe District, Hefei, Anhui Province, No. 96 Applicant after: University of Science and Technology of China Applicant after: Chen Yang Applicant after: Wang Baoshan Applicant after: Zhang Qiang Address before: 230026 Jinzhai Road, Baohe District, Hefei, Anhui Province, No. 96 Applicant before: University of Science and Technology of China |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220928 Address after: Room 611, East of Science and Technology Experiment Building, West District, China University of Science and Technology, No. 443, Huangshan Road, Shushan District, Hefei City, Anhui Province, 230026 Applicant after: Chen Yang Applicant after: Wang Baoshan Applicant after: Zhang Qiang Address before: 230026 Jinzhai Road, Baohe District, Hefei, Anhui Province, No. 96 Applicant before: University of Science and Technology of China Applicant before: Chen Yang Applicant before: Wang Baoshan Applicant before: Zhang Qiang Effective date of registration: 20220928 Address after: 19/F, Ping'an Finance Building, No. 838, Huizhou Avenue, Baohe District, Hefei, Anhui, 230041 Applicant after: Zhidi Perception (Hefei) Technology Co.,Ltd. Address before: Room 611, East of Science and Technology Experiment Building, West District, China University of Science and Technology, No. 443, Huangshan Road, Shushan District, Hefei City, Anhui Province, 230026 Applicant before: Chen Yang Applicant before: Wang Baoshan Applicant before: Zhang Qiang |
|
GR01 | Patent grant | ||
GR01 | Patent grant |