CN105865656B - 一种高信噪比抑制非本地效应的单端rbotda传感*** - Google Patents
一种高信噪比抑制非本地效应的单端rbotda传感*** Download PDFInfo
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- CN105865656B CN105865656B CN201610436273.XA CN201610436273A CN105865656B CN 105865656 B CN105865656 B CN 105865656B CN 201610436273 A CN201610436273 A CN 201610436273A CN 105865656 B CN105865656 B CN 105865656B
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/322—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres using Brillouin scattering
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CN201510891498 | 2015-12-07 | ||
CN201510891498X | 2015-12-07 |
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CN105865656B true CN105865656B (zh) | 2018-07-06 |
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CN109186645B (zh) * | 2018-08-30 | 2021-04-23 | 中国船舶重工集团公司第七一五研究所 | 一种应用于分布式光纤应变解调的泵浦光信噪比提升装置及方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102998025A (zh) * | 2012-12-18 | 2013-03-27 | 华北电力大学(保定) | 一种脉冲预泵浦瑞利botda温度与应变的测量方法 |
CN103245370A (zh) * | 2013-04-10 | 2013-08-14 | 南京大学 | 基于脉冲编码和相干探测的botda*** |
CN203191866U (zh) * | 2013-03-15 | 2013-09-11 | 中国计量学院 | 一种控制电光调制器工作点稳定的装置 |
CN104792343A (zh) * | 2015-05-08 | 2015-07-22 | 广西师范大学 | 一种单端结构动态测量的布里渊光纤传感***与传感方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US7504618B2 (en) * | 2007-07-03 | 2009-03-17 | Schlumberger Technology Corporation | Distributed sensing in an optical fiber using brillouin scattering |
US8988671B2 (en) * | 2012-07-19 | 2015-03-24 | Nanjing University | BOTDA system that combined optical pulse coding techniques and coherent detection |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102998025A (zh) * | 2012-12-18 | 2013-03-27 | 华北电力大学(保定) | 一种脉冲预泵浦瑞利botda温度与应变的测量方法 |
CN203191866U (zh) * | 2013-03-15 | 2013-09-11 | 中国计量学院 | 一种控制电光调制器工作点稳定的装置 |
CN103245370A (zh) * | 2013-04-10 | 2013-08-14 | 南京大学 | 基于脉冲编码和相干探测的botda*** |
CN104792343A (zh) * | 2015-05-08 | 2015-07-22 | 广西师范大学 | 一种单端结构动态测量的布里渊光纤传感***与传感方法 |
Non-Patent Citations (2)
Title |
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"布里渊时域分析传感器中光偏振控制技术的研究";鲍翀等;《传感技术学报》;20100228;第23卷(第2期);第201-204页 * |
"微波外调制BOTDA光纤传感***";张芙蓉等;《光纤与电缆及其应用技术》;20101231;第34-37页 * |
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Inventor after: Shang Qiufeng Inventor after: Mao Xun Inventor after: Hu Yuting Inventor after: Li Yongqian Inventor after: Yao Guozhen Inventor after: Zhang Lixin Inventor before: Shang Qiufeng Inventor before: Mao Xun Inventor before: Ren Wengang Inventor before: Li Yongqian Inventor before: Yao Guozhen Inventor before: Zhang Lixin |
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Effective date of registration: 20190409 Address after: 2010 210 4th Floor, Building No. 4, 150 Cailun Road, Zhangjiang Gaoke, Pudong New Area, Shanghai Patentee after: Shanghai Baian Sensing Technology Co., Ltd. Address before: No. 619, Yonghua North Street, Baoding, Hebei Province, 071003 Patentee before: North China Electric Power University (Baoding) |
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