NO20003819D0 - Anordning og fremgangsmÕte for støydempende tidsdelt multipleksede fiberoptikksensorsystemer - Google Patents

Anordning og fremgangsmÕte for støydempende tidsdelt multipleksede fiberoptikksensorsystemer

Info

Publication number
NO20003819D0
NO20003819D0 NO20003819A NO20003819A NO20003819D0 NO 20003819 D0 NO20003819 D0 NO 20003819D0 NO 20003819 A NO20003819 A NO 20003819A NO 20003819 A NO20003819 A NO 20003819A NO 20003819 D0 NO20003819 D0 NO 20003819D0
Authority
NO
Norway
Prior art keywords
noise
fiber optic
division multiplexed
sensor systems
optic sensor
Prior art date
Application number
NO20003819A
Other languages
English (en)
Other versions
NO20003819L (no
Inventor
David Barnett Hall
Jr James Sylvester Bunn
Original Assignee
Litton Systems Inc
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
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Publication of NO20003819D0 publication Critical patent/NO20003819D0/no
Publication of NO20003819L publication Critical patent/NO20003819L/no

Links

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
    • 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
    • G01D5/35303—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 using a reference fibre, e.g. interferometric devices
    • 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
    • G01D5/35383—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 using multiple sensor devices using multiplexing techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NO20003819A 1998-02-04 2000-07-25 Støydempningsanordning og -fremgangsmÕte for tidmulitipleksede, fiberoptiske sensorsystemer NO20003819L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/018,774 US5917597A (en) 1998-02-04 1998-02-04 Noise suppression apparatus and method for time division multiplexed fiber optic sensor arrays
PCT/US1999/002366 WO1999040392A1 (en) 1998-02-04 1999-02-03 Noise supression apparatus and method for time division multiplexed fiber optic sensor arrays

Publications (2)

Publication Number Publication Date
NO20003819D0 true NO20003819D0 (no) 2000-07-25
NO20003819L NO20003819L (no) 2000-10-04

Family

ID=21789718

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20003819A NO20003819L (no) 1998-02-04 2000-07-25 Støydempningsanordning og -fremgangsmÕte for tidmulitipleksede, fiberoptiske sensorsystemer

Country Status (7)

Country Link
US (1) US5917597A (no)
EP (1) EP1068491B1 (no)
JP (1) JP3842551B2 (no)
KR (1) KR100380597B1 (no)
DE (1) DE69925476T2 (no)
NO (1) NO20003819L (no)
WO (1) WO1999040392A1 (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5995207A (en) * 1997-11-26 1999-11-30 Litton Systems, Inc. Method for determining the phase difference of light waves propagated over two paths
US20030095310A1 (en) * 1999-01-11 2003-05-22 Novilit, Inc. Optical communication apparatus and method
AU7388300A (en) * 1999-07-28 2001-02-19 Trilithic, Inc. Radio frequency leakage detection for catv system
US6804826B1 (en) 1999-07-28 2004-10-12 Trilithic, Inc. Radio frequency leakage detection system for CATV system
US6466706B1 (en) * 2000-10-11 2002-10-15 The United States Of America As Represented By The Secretary Of The Navy Pulsed system and method for fiber optic sensor
US7038784B2 (en) * 2003-06-20 2006-05-02 Northrop Grumman Corporation Calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrier
US7038785B2 (en) * 2003-07-09 2006-05-02 Northrop Grumman Corporation Filtered calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrier
NO339298B1 (no) * 2003-10-10 2016-11-21 Optoplan As Aktiv koherensreduksjon for interferometeravspørring
US7369458B2 (en) * 2004-05-10 2008-05-06 Airmar Technology Corporation Transducer identification
US7480056B2 (en) * 2004-06-04 2009-01-20 Optoplan As Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors
US7336365B2 (en) * 2005-02-11 2008-02-26 Optoplan As Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems
US7327462B2 (en) 2005-08-17 2008-02-05 Litton Systems, Inc. Method and apparatus for direct detection of signals from a differential delay heterodyne interferometric system
CN103115633B (zh) * 2013-01-29 2016-02-24 复旦大学 利用相位生成载波降低干涉路径散（反）射光干扰的方法
KR20170086264A (ko) * 2016-01-18 2017-07-26 한국전자통신연구원 Twdm 기반 물리량 측정 장치 및 방법
CN109951411A (zh) * 2019-04-01 2019-06-28 南京八云七度生物技术有限公司 一种基于频率调制和频分多路复用的传感器阵列数据采集系统

Also Published As

Publication number Publication date
KR100380597B1 (ko) 2003-04-18
WO1999040392A1 (en) 1999-08-12
EP1068491B1 (en) 2005-05-25
US5917597A (en) 1999-06-29
JP2002502958A (ja) 2002-01-29
NO20003819L (no) 2000-10-04
EP1068491A1 (en) 2001-01-17
DE69925476D1 (de) 2005-06-30
DE69925476T2 (de) 2006-02-02
KR20010040605A (ko) 2001-05-15
JP3842551B2 (ja) 2006-11-08

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