IL132255A - Pseudorandom-bit sequence modulated fiber-optic gyro - Google Patents

Pseudorandom-bit sequence modulated fiber-optic gyro

Info

Publication number
IL132255A
IL132255A IL13225599A IL13225599A IL132255A IL 132255 A IL132255 A IL 132255A IL 13225599 A IL13225599 A IL 13225599A IL 13225599 A IL13225599 A IL 13225599A IL 132255 A IL132255 A IL 132255A
Authority
IL
Israel
Prior art keywords
sequence
bit
bits
trailing
modifier
Prior art date
Application number
IL13225599A
Other languages
English (en)
Other versions
IL132255A0 (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 IL132255A0 publication Critical patent/IL132255A0/xx
Publication of IL132255A publication Critical patent/IL132255A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IL13225599A 1999-02-22 1999-10-06 Pseudorandom-bit sequence modulated fiber-optic gyro IL132255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/255,391 US6115125A (en) 1999-02-22 1999-02-22 Pseudorandom-bit-sequence modulated fiber-optic gyro

Publications (2)

Publication Number Publication Date
IL132255A0 IL132255A0 (en) 2001-03-19
IL132255A true IL132255A (en) 2004-06-20

Family

ID=22968116

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13225599A IL132255A (en) 1999-02-22 1999-10-06 Pseudorandom-bit sequence modulated fiber-optic gyro

Country Status (4)

Country Link
US (2) US6115125A (fr)
EP (1) EP1031817B1 (fr)
JP (1) JP4297576B2 (fr)
IL (1) IL132255A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6636553B1 (en) * 1998-12-29 2003-10-21 Texas Instruments Incorporated Pseudorandom noise generator for WCDMA
US6115125A (en) * 1999-02-22 2000-09-05 Litton Systems Inc. Pseudorandom-bit-sequence modulated fiber-optic gyro
US7890741B2 (en) 2000-12-01 2011-02-15 O2Micro International Limited Low power digital audio decoding/playing system for computing devices
US7522964B2 (en) * 2000-12-01 2009-04-21 O2Micro International Limited Low power digital audio decoding/playing system for computing devices
US7522965B2 (en) * 2000-12-01 2009-04-21 O2Micro International Limited Low power digital audio decoding/playing system for computing devices
US7818443B2 (en) * 2000-12-01 2010-10-19 O2Micro International Ltd. Low power digital audio decoding/playing system for computing devices
US6737846B1 (en) * 2002-12-17 2004-05-18 Green Power Technologies Ltd. Method and voltage feedback circuitry for improving the performance of APFC converters
US7194496B2 (en) * 2003-05-02 2007-03-20 Spirent Communications Of Rockville, Inc. System and method for producing functions for generating pseudo-random bit sequences
CN101482413B (zh) * 2009-02-24 2010-12-01 北京航天时代光电科技有限公司 一种改善光纤陀螺低角速率下标度因数非线性的方法
CN111064067B (zh) 2019-12-19 2021-05-25 中国兵器装备研究院 光纤激光相干合成系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380696B (sv) 1974-03-20 1975-11-10 Philips Svenska Ab Sett att alstra en pseudoslumpbitfoljd och anordning for utforande av settet.
US4291386A (en) * 1978-11-30 1981-09-22 Sperry Corporation Pseudorandom number generator
DE3580679D1 (de) * 1984-02-06 1991-01-03 British Broadcasting Corp Binaere pseudo-zufalls-reihengeneratoren.
DE59001619D1 (de) * 1990-02-12 1993-07-08 Litef Gmbh Faseroptisches sagnac-interferometer mit digitaler phasenrampenrueckstellung zur drehratenmessung.
EP0620518B1 (fr) * 1993-04-06 1999-10-06 Hewlett-Packard Company Procédé et appareil pour générer des séquences de régistre à décalage linéaire rebondé
US5682241A (en) * 1996-03-11 1997-10-28 Litton Systems, Inc. Method and apparatus for overcoming cross-coupling in a fiber optic gyroscope employing overmodulation
US6115125A (en) * 1999-02-22 2000-09-05 Litton Systems Inc. Pseudorandom-bit-sequence modulated fiber-optic gyro

Also Published As

Publication number Publication date
JP4297576B2 (ja) 2009-07-15
EP1031817B1 (fr) 2016-06-29
US6307631B1 (en) 2001-10-23
EP1031817A2 (fr) 2000-08-30
EP1031817A3 (fr) 2003-08-06
IL132255A0 (en) 2001-03-19
JP2000241169A (ja) 2000-09-08
US6115125A (en) 2000-09-05

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