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FR2766565B1 - OPTICAL FIBER GYROMETER WITH DIGITAL SIGNAL PROCESSING AND FREQUENCY CONTROL - Google Patents

OPTICAL FIBER GYROMETER WITH DIGITAL SIGNAL PROCESSING AND FREQUENCY CONTROL

Info

Publication number
FR2766565B1
FR2766565B1 FR9709364A FR9709364A FR2766565B1 FR 2766565 B1 FR2766565 B1 FR 2766565B1 FR 9709364 A FR9709364 A FR 9709364A FR 9709364 A FR9709364 A FR 9709364A FR 2766565 B1 FR2766565 B1 FR 2766565B1
Authority
FR
France
Prior art keywords
optical fiber
signal processing
digital signal
frequency control
gyrometer
Prior art date
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.)
Expired - Fee Related
Application number
FR9709364A
Other languages
French (fr)
Other versions
FR2766565A1 (en
Inventor
Jacques Rochereau
Olivier Tirat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Priority to FR9709364A priority Critical patent/FR2766565B1/en
Publication of FR2766565A1 publication Critical patent/FR2766565A1/en
Application granted granted Critical
Publication of FR2766565B1 publication Critical patent/FR2766565B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
FR9709364A 1997-07-23 1997-07-23 OPTICAL FIBER GYROMETER WITH DIGITAL SIGNAL PROCESSING AND FREQUENCY CONTROL Expired - Fee Related FR2766565B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9709364A FR2766565B1 (en) 1997-07-23 1997-07-23 OPTICAL FIBER GYROMETER WITH DIGITAL SIGNAL PROCESSING AND FREQUENCY CONTROL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9709364A FR2766565B1 (en) 1997-07-23 1997-07-23 OPTICAL FIBER GYROMETER WITH DIGITAL SIGNAL PROCESSING AND FREQUENCY CONTROL

Publications (2)

Publication Number Publication Date
FR2766565A1 FR2766565A1 (en) 1999-01-29
FR2766565B1 true FR2766565B1 (en) 1999-10-08

Family

ID=9509540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9709364A Expired - Fee Related FR2766565B1 (en) 1997-07-23 1997-07-23 OPTICAL FIBER GYROMETER WITH DIGITAL SIGNAL PROCESSING AND FREQUENCY CONTROL

Country Status (1)

Country Link
FR (1) FR2766565B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5009480A (en) * 1989-08-11 1991-04-23 Japan Aviation Electronics Industry Limited Fiber optic gyro
FR2701315B1 (en) * 1993-02-05 1995-04-28 Sagem Fiber optic gyroscope with wide measuring range and related method.

Also Published As

Publication number Publication date
FR2766565A1 (en) 1999-01-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20140331