JPWO2020255358A1 - - Google Patents

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Publication number
JPWO2020255358A1
JPWO2020255358A1 JP2021528583A JP2021528583A JPWO2020255358A1 JP WO2020255358 A1 JPWO2020255358 A1 JP WO2020255358A1 JP 2021528583 A JP2021528583 A JP 2021528583A JP 2021528583 A JP2021528583 A JP 2021528583A JP WO2020255358 A1 JPWO2020255358 A1 JP WO2020255358A1
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JP
Japan
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.)
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Application number
JP2021528583A
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JPWO2020255358A5 (ja
JP7318706B2 (ja
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Publication of JPWO2020255358A5 publication Critical patent/JPWO2020255358A5/ja
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Publication of JP7318706B2 publication Critical patent/JP7318706B2/ja
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/20—Position of source determined by a plurality of spaced direction-finders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/22—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • 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
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
JP2021528583A 2019-06-20 2019-06-20 光ファイバセンシングシステム及び音源位置特定方法 Active JP7318706B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/024599 WO2020255358A1 (ja) 2019-06-20 2019-06-20 光ファイバセンシングシステム及び音源位置特定方法

Publications (3)

Publication Number Publication Date
JPWO2020255358A1 true JPWO2020255358A1 (ja) 2020-12-24
JPWO2020255358A5 JPWO2020255358A5 (ja) 2022-03-08
JP7318706B2 JP7318706B2 (ja) 2023-08-01

Family

ID=74040290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021528583A Active JP7318706B2 (ja) 2019-06-20 2019-06-20 光ファイバセンシングシステム及び音源位置特定方法

Country Status (3)

Country Link
US (1) US20220357421A1 (ja)
JP (1) JP7318706B2 (ja)
WO (1) WO2020255358A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114207389A (zh) * 2019-08-13 2022-03-18 日本电气株式会社 光纤传感系统、光纤传感设备和救援请求检测方法
WO2022185469A1 (ja) * 2021-03-04 2022-09-09 日本電気株式会社 工事検出装置、工事検出システム及び工事検出方法
US20240118115A1 (en) * 2021-03-29 2024-04-11 Nec Corporatio Spatial sensing device, spatial sensing system, and spatial sensing method
CN113702908B (zh) * 2021-09-01 2023-06-09 哈尔滨工程大学 一种基于pdh解调技术的高精度三维声源定位系统
WO2023073762A1 (ja) * 2021-10-25 2023-05-04 日本電気株式会社 監視システム、監視方法
WO2023089692A1 (ja) * 2021-11-17 2023-05-25 日本電気株式会社 異常判定方法、異常判定装置、異常判定システム及び非一時的なコンピュータ可読媒体
WO2023157113A1 (ja) * 2022-02-16 2023-08-24 日本電気株式会社 処理装置、分布型音響センシングシステム、分布型音響センシング方法及びプログラムが格納された非一時的なコンピュータ可読媒体

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3903221B2 (ja) * 2005-06-24 2007-04-11 オプテックス株式会社 防犯センサ
JP3920742B2 (ja) * 2002-08-28 2007-05-30 トヨタ自動車株式会社 異常音の音源探査方法及び音源探査装置
US20120226452A1 (en) * 2009-11-13 2012-09-06 Optasense Holdings Limited Improvements in Distributed Fibre Optic Sensing
WO2013051196A1 (ja) * 2011-10-05 2013-04-11 ニューブレクス株式会社 分布型光ファイバ音波検出装置
JP5294925B2 (ja) * 2009-03-02 2013-09-18 株式会社熊谷組 音源の推定方法とその装置
JP5473888B2 (ja) * 2010-12-22 2014-04-16 三菱重工業株式会社 漏洩検出システム
US20180332389A1 (en) * 2016-06-03 2018-11-15 Faraday&Future Inc. Method and apparatus to detect and isolate audio in a vehicle using multiple microphones

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8121442B2 (en) * 2008-12-24 2012-02-21 At&T Intellectual Property I, L.P. Optical fiber surveillance topology
GB201109372D0 (en) * 2011-06-06 2011-07-20 Silixa Ltd Method for locating an acoustic source
GB201201727D0 (en) * 2012-02-01 2012-03-14 Qinetiq Ltd Indicating locations

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3920742B2 (ja) * 2002-08-28 2007-05-30 トヨタ自動車株式会社 異常音の音源探査方法及び音源探査装置
JP3903221B2 (ja) * 2005-06-24 2007-04-11 オプテックス株式会社 防犯センサ
JP5294925B2 (ja) * 2009-03-02 2013-09-18 株式会社熊谷組 音源の推定方法とその装置
US20120226452A1 (en) * 2009-11-13 2012-09-06 Optasense Holdings Limited Improvements in Distributed Fibre Optic Sensing
JP5473888B2 (ja) * 2010-12-22 2014-04-16 三菱重工業株式会社 漏洩検出システム
WO2013051196A1 (ja) * 2011-10-05 2013-04-11 ニューブレクス株式会社 分布型光ファイバ音波検出装置
US20180332389A1 (en) * 2016-06-03 2018-11-15 Faraday&Future Inc. Method and apparatus to detect and isolate audio in a vehicle using multiple microphones

Also Published As

Publication number Publication date
WO2020255358A1 (ja) 2020-12-24
US20220357421A1 (en) 2022-11-10
JP7318706B2 (ja) 2023-08-01

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