WO2014180451A3 - 一种检测角速度的光载微波陀螺方法 - Google Patents
一种检测角速度的光载微波陀螺方法 Download PDFInfo
- Publication number
- WO2014180451A3 WO2014180451A3 PCT/CN2014/081079 CN2014081079W WO2014180451A3 WO 2014180451 A3 WO2014180451 A3 WO 2014180451A3 CN 2014081079 W CN2014081079 W CN 2014081079W WO 2014180451 A3 WO2014180451 A3 WO 2014180451A3
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- Prior art keywords
- angular velocity
- optical carrier
- measuring angular
- frequency
- directional
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- 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
- G01C19/721—Details
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- 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)
Abstract
一种检测角速度的光载微波陀螺方法,实现了一种双向光电振荡器,用于测量旋转角速度,采用锁频技术,将一个方向的微波振荡频率锁定到高稳定度标准时间参考源上,稳定了另一个方向光电振荡器的相对腔长,消除了光纤环行腔的温度漂移和光学寄生噪声,极大地提高了由萨格纳克效应引起的双向振荡差频信号的信噪比,具有测量精度高、易实现等特点。
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CN201310171187.7 | 2013-05-10 | ||
CN201310171187.7A CN103278150B (zh) | 2013-05-10 | 2013-05-10 | 一种检测角速度的光载微波陀螺方法 |
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WO2014180451A2 WO2014180451A2 (zh) | 2014-11-13 |
WO2014180451A3 true WO2014180451A3 (zh) | 2015-01-15 |
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PCT/CN2014/081079 WO2014180451A2 (zh) | 2013-05-10 | 2014-06-30 | 一种检测角速度的光载微波陀螺方法 |
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CN (1) | CN103278150B (zh) |
WO (1) | WO2014180451A2 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103278150B (zh) * | 2013-05-10 | 2015-10-28 | 浙江大学 | 一种检测角速度的光载微波陀螺方法 |
CN103471579B (zh) * | 2013-09-29 | 2016-02-17 | 浙江大学 | 一种采用双向全互易耦合光电振荡器的角速度检测方法 |
CN107941754B (zh) * | 2017-11-14 | 2021-06-01 | 陈志忠 | 一种气体折射率的测量方法 |
CN108614126B (zh) * | 2018-05-30 | 2019-10-18 | 北京交通大学 | 基于宽带可调谐光电振荡器的角速度测量装置和方法 |
WO2020087423A1 (zh) * | 2018-10-31 | 2020-05-07 | 浙江大学 | 一种基于环形器结构的双向光载微波谐振系统及其检测角速度的方法 |
CN109323690B (zh) * | 2018-10-31 | 2020-12-01 | 浙江大学 | 一种保偏全互易双向光载微波谐振系统及其检测角速度的方法 |
WO2020087422A1 (zh) | 2018-10-31 | 2020-05-07 | 浙江大学 | 一种保偏全互易双向光载微波谐振系统及其检测角速度的方法 |
CN109357672B (zh) * | 2018-10-31 | 2020-11-27 | 浙江大学 | 一种基于环形器结构的双向光载微波谐振系统及其检测角速度的方法 |
CN113418520B (zh) * | 2021-07-09 | 2022-12-13 | 赛德雷特(珠海)航天科技有限公司 | 基于互补压控振荡器电磁陀螺工作角速率测量装置及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS59224510A (ja) * | 1983-06-04 | 1984-12-17 | Sumitomo Electric Ind Ltd | 光フアイバジヤイロ |
US4720193A (en) * | 1984-05-21 | 1988-01-19 | Tamagawa Seiki Kabushiki Kaisha | Optical fiber gyroscope |
US4969017A (en) * | 1988-06-10 | 1990-11-06 | Thomson-Csf | Measuring device for the measurement, in a wide range, of a non-reciprocal phase shift generated in a ring interferometer, and measuring method |
CN102353373A (zh) * | 2011-07-12 | 2012-02-15 | 浙江大学 | 基于双路闭环锁定技术的谐振式光学陀螺 |
CN103278150A (zh) * | 2013-05-10 | 2013-09-04 | 浙江大学 | 一种检测角速度的光载微波陀螺方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5777737A (en) * | 1994-07-22 | 1998-07-07 | Litton Systems, Inc. | Apparatus and method for processing signals output from fiber optic rate gyroscope having 3×3 coupler |
US5926275A (en) * | 1997-06-19 | 1999-07-20 | Honeywell Inc. | Vibration error reduction servo for a fiber optic gyroscope |
FR2937739B1 (fr) * | 2008-10-28 | 2010-11-19 | Thales Sa | Gyrolaser a milieu amplificateur a etat solide et a cavite optique en anneau |
CN102706340B (zh) * | 2012-05-14 | 2015-10-28 | 北京大学 | 一种干涉式光纤陀螺仪 |
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2013
- 2013-05-10 CN CN201310171187.7A patent/CN103278150B/zh active Active
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2014
- 2014-06-30 WO PCT/CN2014/081079 patent/WO2014180451A2/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59224510A (ja) * | 1983-06-04 | 1984-12-17 | Sumitomo Electric Ind Ltd | 光フアイバジヤイロ |
US4720193A (en) * | 1984-05-21 | 1988-01-19 | Tamagawa Seiki Kabushiki Kaisha | Optical fiber gyroscope |
US4969017A (en) * | 1988-06-10 | 1990-11-06 | Thomson-Csf | Measuring device for the measurement, in a wide range, of a non-reciprocal phase shift generated in a ring interferometer, and measuring method |
CN102353373A (zh) * | 2011-07-12 | 2012-02-15 | 浙江大学 | 基于双路闭环锁定技术的谐振式光学陀螺 |
CN103278150A (zh) * | 2013-05-10 | 2013-09-04 | 浙江大学 | 一种检测角速度的光载微波陀螺方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2014180451A2 (zh) | 2014-11-13 |
CN103278150B (zh) | 2015-10-28 |
CN103278150A (zh) | 2013-09-04 |
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