IL128451A - שיטה והתקן לכיול מערכת גלאי רב ערוצי סיב אופטי התאבכות גלים במערכת לעיבוד אותות - Google Patents

שיטה והתקן לכיול מערכת גלאי רב ערוצי סיב אופטי התאבכות גלים במערכת לעיבוד אותות

Info

Publication number
IL128451A
IL128451A IL12845199A IL12845199A IL128451A IL 128451 A IL128451 A IL 128451A IL 12845199 A IL12845199 A IL 12845199A IL 12845199 A IL12845199 A IL 12845199A IL 128451 A IL128451 A IL 128451A
Authority
IL
Israel
Prior art keywords
phase
laser module
average
phase modulation
component
Prior art date
Application number
IL12845199A
Other languages
English (en)
Other versions
IL128451A0 (en
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 IL128451A0 publication Critical patent/IL128451A0/xx
Publication of IL128451A publication Critical patent/IL128451A/he

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
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • G01N2021/458—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods using interferential sensor, e.g. sensor fibre, possibly on optical waveguide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optical Communication System (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Lasers (AREA)
IL12845199A 1998-02-10 1999-02-09 שיטה והתקן לכיול מערכת גלאי רב ערוצי סיב אופטי התאבכות גלים במערכת לעיבוד אותות IL128451A (he)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7427398P 1998-02-10 1998-02-10
US09/074,781 US6008900A (en) 1998-02-10 1998-05-08 Method and apparatus for calibration of a multi-channel fiber optic interferometric sensor system in a signal processing system

Publications (2)

Publication Number Publication Date
IL128451A0 IL128451A0 (en) 2000-01-31
IL128451A true IL128451A (he) 2001-10-31

Family

ID=26755456

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12845199A IL128451A (he) 1998-02-10 1999-02-09 שיטה והתקן לכיול מערכת גלאי רב ערוצי סיב אופטי התאבכות גלים במערכת לעיבוד אותות

Country Status (8)

Country Link
US (1) US6008900A (he)
EP (1) EP0936452B1 (he)
KR (1) KR19990072555A (he)
AU (1) AU740040B2 (he)
CA (1) CA2259527A1 (he)
DE (1) DE69922426T2 (he)
IL (1) IL128451A (he)
NO (1) NO322356B1 (he)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999031432A1 (en) * 1997-12-17 1999-06-24 Meara James C O Laser lighting system
US6600586B1 (en) * 1999-05-10 2003-07-29 Northrop Grumman Corporation Normalization method for acquiring interferometer phase shift from frequency division multiplexed fiber optic sensor arrays
JP3903105B2 (ja) * 2000-05-23 2007-04-11 富士フイルム株式会社 動的変化検出方法、動的変化検出装置及び超音波診断装置
WO2003007024A2 (en) * 2001-07-09 2003-01-23 Oyster Optics, Inc. Fiber optic telecommunications card with security detection
US7346313B2 (en) 2002-03-04 2008-03-18 Cafarella John H Calibration of I-Q balance in transceivers
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
JP5228744B2 (ja) * 2008-09-25 2013-07-03 富士通株式会社 音声信号処理装置及び音声信号処理方法
FR3049132B1 (fr) * 2016-03-18 2018-03-23 Continental Automotive France Procede pour limiter le bruit radio, notamment dans la bande fm, par interpolation polynomiale
CN110031811B (zh) * 2019-05-13 2022-11-18 成都天奥技术发展有限公司 多通道宽频带信号相参特性快速校准系统
CN110849465B (zh) * 2019-11-27 2021-05-28 中国航空工业集团公司北京长城计量测试技术研究所 一种任意波形光频调制及溯源装置
CN110849466B (zh) * 2019-11-27 2021-08-06 中国航空工业集团公司北京长城计量测试技术研究所 一种任意波形的光频调制装置及方法
CN111412974B (zh) * 2020-05-07 2021-11-09 中国船舶重工集团公司第七一五研究所 一种同振式矢量传感器校准系统和方法
CN113093157B (zh) * 2021-04-02 2023-10-03 中国电子科技集团公司第三十八研究所 基于微波光子稳相传输链路的分布式接收阵列通道误差标定方法、系统
CN113285755A (zh) * 2021-05-24 2021-08-20 西安格威石油仪器有限公司 测井仪器总线系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789240A (en) * 1985-05-28 1988-12-06 Litton Systems, Inc. Wavelength switched passive interferometric sensor system
US5283625A (en) * 1991-08-19 1994-02-01 Litton Systems, Inc. Interferometer phase modulation controller apparatus using ratios of two pairs of harmonic signals
GB9605144D0 (en) * 1996-03-11 1996-05-08 Sensor Dynamics Ltd Apparatus for sensing one or more parameters

Also Published As

Publication number Publication date
NO322356B1 (no) 2006-09-18
DE69922426D1 (de) 2005-01-13
JPH11328568A (ja) 1999-11-30
IL128451A0 (en) 2000-01-31
AU1636799A (en) 1999-08-26
EP0936452A3 (en) 2000-07-12
NO990611L (no) 1999-08-11
EP0936452B1 (en) 2004-12-08
NO990611D0 (no) 1999-02-09
EP0936452A2 (en) 1999-08-18
US6008900A (en) 1999-12-28
JP4401464B2 (ja) 2010-01-20
AU740040B2 (en) 2001-10-25
DE69922426T2 (de) 2005-12-08
KR19990072555A (ko) 1999-09-27
CA2259527A1 (en) 1999-08-10

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