IL142943A - A device and method for tracking a structure using a counter-advanced signal and a method for locating events - Google Patents

A device and method for tracking a structure using a counter-advanced signal and a method for locating events

Info

Publication number
IL142943A
IL142943A IL14294399A IL14294399A IL142943A IL 142943 A IL142943 A IL 142943A IL 14294399 A IL14294399 A IL 14294399A IL 14294399 A IL14294399 A IL 14294399A IL 142943 A IL142943 A IL 142943A
Authority
IL
Israel
Prior art keywords
waveguide
counter
signals
fibre
propagating
Prior art date
Application number
IL14294399A
Other languages
English (en)
Hebrew (he)
Other versions
IL142943A0 (en
Original Assignee
Future Fibre Tech Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AUPP7808A external-priority patent/AUPP780898A0/en
Priority claimed from AUPQ0126A external-priority patent/AUPQ012699A0/en
Application filed by Future Fibre Tech Pty Ltd filed Critical Future Fibre Tech Pty Ltd
Publication of IL142943A0 publication Critical patent/IL142943A0/xx
Publication of IL142943A publication Critical patent/IL142943A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0041Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08Testing mechanical properties
    • G01M11/083Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/39Testing of optical devices, constituted by fibre optics or optical waveguides in which light is projected from both sides of the fiber or waveguide end-face
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0025Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of elongated objects, e.g. pipes, masts, towers or railways
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0091Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Geophysics And Detection Of Objects (AREA)
IL14294399A 1998-12-18 1999-11-19 A device and method for tracking a structure using a counter-advanced signal and a method for locating events IL142943A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPP7808A AUPP780898A0 (en) 1998-12-18 1998-12-18 Counter-propagating signal method for locating events in fibre optic sensor systems
AUPQ0126A AUPQ012699A0 (en) 1999-05-03 1999-05-03 Intrinsic securing of fibre optic communication links
PCT/AU1999/001028 WO2000037925A1 (en) 1998-12-18 1999-11-19 Apparatus and method for monitoring a structure using a counter-propagating signal method for locating events

Publications (2)

Publication Number Publication Date
IL142943A0 IL142943A0 (en) 2002-04-21
IL142943A true IL142943A (en) 2004-09-27

Family

ID=25645948

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14294399A IL142943A (en) 1998-12-18 1999-11-19 A device and method for tracking a structure using a counter-advanced signal and a method for locating events

Country Status (9)

Country Link
US (2) US6621947B1 (ja)
JP (1) JP4869480B2 (ja)
KR (1) KR100715589B1 (ja)
CN (1) CN1179205C (ja)
AU (1) AU747525B2 (ja)
CA (1) CA2355091C (ja)
IL (1) IL142943A (ja)
RU (1) RU2226270C2 (ja)
WO (1) WO2000037925A1 (ja)

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CN105096490B (zh) * 2015-09-02 2020-12-25 同方威视技术股份有限公司 分布式光纤周界安防系统、声音还原系统及方法
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CN106643838A (zh) * 2016-12-01 2017-05-10 北京航天控制仪器研究所 一种基于光纤环双向探测的撞击部位测量系统和方法
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CN107664515B (zh) * 2017-08-24 2024-08-02 武汉孚晟科技有限公司 一种光纤周界传感定位系统及入侵扰动点位置的判定方法
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Also Published As

Publication number Publication date
US6778717B2 (en) 2004-08-17
CN1330769A (zh) 2002-01-09
RU2226270C2 (ru) 2004-03-27
KR100715589B1 (ko) 2007-05-10
JP4869480B2 (ja) 2012-02-08
US20030198425A1 (en) 2003-10-23
WO2000037925A1 (en) 2000-06-29
AU1536900A (en) 2000-07-12
JP2002533672A (ja) 2002-10-08
AU747525B2 (en) 2002-05-16
CA2355091C (en) 2007-04-10
CN1179205C (zh) 2004-12-08
US6621947B1 (en) 2003-09-16
KR20010101239A (ko) 2001-11-14
CA2355091A1 (en) 2000-06-29
IL142943A0 (en) 2002-04-21

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