JP7238507B2 - 振動検知光ファイバセンサ及び振動検知方法 - Google Patents

振動検知光ファイバセンサ及び振動検知方法 Download PDF

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JP7238507B2
JP7238507B2 JP2019050121A JP2019050121A JP7238507B2 JP 7238507 B2 JP7238507 B2 JP 7238507B2 JP 2019050121 A JP2019050121 A JP 2019050121A JP 2019050121 A JP2019050121 A JP 2019050121A JP 7238507 B2 JP7238507 B2 JP 7238507B2
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waveform
light
abnormality
moving average
otdr
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JP2020153704A (ja
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祥宏 神田
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Oki Electric Industry Co Ltd
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Oki Electric Industry Co Ltd
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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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP2019050121A 2019-03-18 2019-03-18 振動検知光ファイバセンサ及び振動検知方法 Active JP7238507B2 (ja)

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JP2019050121A JP7238507B2 (ja) 2019-03-18 2019-03-18 振動検知光ファイバセンサ及び振動検知方法
PCT/JP2019/045789 WO2020188888A1 (fr) 2019-03-18 2019-11-22 Capteur à fibre optique de détection de vibration et procédé de détection de vibration

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JP2019050121A JP7238507B2 (ja) 2019-03-18 2019-03-18 振動検知光ファイバセンサ及び振動検知方法

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JP7238507B2 true JP7238507B2 (ja) 2023-03-14

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CN114125591B (zh) * 2022-01-24 2022-04-22 高勘(广州)技术有限公司 一种用于光纤传感通信的终端传感器和传感方法
CN117091754B (zh) * 2023-10-20 2023-12-19 山东远盾网络技术股份有限公司 基于数据分析的大型设备故障检测方法及系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001305017A (ja) 2000-04-21 2001-10-31 Ando Electric Co Ltd 光パルス試験器
JP2003090779A (ja) 2001-09-17 2003-03-28 Anritsu Corp 光パルス試験装置
CN102865914A (zh) 2012-09-19 2013-01-09 朱涛 分布式光纤振动传感器
CN104568120A (zh) 2015-01-14 2015-04-29 天津大学 一种复合原理光纤传感系统和传感方法
JP2017026503A (ja) 2015-07-24 2017-02-02 日本電信電話株式会社 振動分布測定方法及び振動分布測定装置
CN108088548A (zh) 2017-11-24 2018-05-29 安徽师范大学 分布式光纤振动传感器高精度定位方法

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
JPH11344416A (ja) * 1998-05-29 1999-12-14 Ando Electric Co Ltd 光線路試験におけるリファレンス値の算出方法及びこれを利用した光線路試験装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001305017A (ja) 2000-04-21 2001-10-31 Ando Electric Co Ltd 光パルス試験器
JP2003090779A (ja) 2001-09-17 2003-03-28 Anritsu Corp 光パルス試験装置
CN102865914A (zh) 2012-09-19 2013-01-09 朱涛 分布式光纤振动传感器
CN104568120A (zh) 2015-01-14 2015-04-29 天津大学 一种复合原理光纤传感系统和传感方法
JP2017026503A (ja) 2015-07-24 2017-02-02 日本電信電話株式会社 振動分布測定方法及び振動分布測定装置
CN108088548A (zh) 2017-11-24 2018-05-29 安徽师范大学 分布式光纤振动传感器高精度定位方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LU, Yuelan et al.，Distributed Vibration Sensor Based on Coherent Detection of Phase-OTDR，Journal of Lightwave Technology，米国，IEEE，2010年11月，Volume 28, Issue 22，pp. 3243-3249，DOI: http://dx.doi.org/10.1109/JLT.2010.2078798

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JP2020153704A (ja) 2020-09-24

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