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    Journals >Laser & Optoelectronics Progress >Volume 59 >Issue 17 >Page 1706004 > Article
    • Laser & Optoelectronics Progress
    • Vol. 59, Issue 17, 1706004 (2022)
    Influencing Factors of Open-Loop Fiber Optic Gyroscope with Large Dynamic Range Quadrature Demodulation Algorithm
    Jia Li1、2, Chen Meng1、2, Ya Su1、2, Shengbao Wu1、2, Peng Hao1、2、*, and X.Steve Yao1、2
    Author Affiliations
  • 1Photonics Information Innovation Center, College of Physics and Technology, Hebei University, Baoding 071002, Hebei , China
  • 2Hebei Provincial Center for Optical Sensing Innovations, Baoding 071002, Hebei , China
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    DOI: 10.3788/LOP202259.1706004 Cite this Article Set citation alerts
    Jia Li, Chen Meng, Ya Su, Shengbao Wu, Peng Hao, X.Steve Yao. Influencing Factors of Open-Loop Fiber Optic Gyroscope with Large Dynamic Range Quadrature Demodulation Algorithm[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1706004 Copy Citation Text show less
    Principle of the open-loop fiber optic gyroscope
    Fig. 1. Principle of the open-loop fiber optic gyroscope
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    Quadrant osition of Sagnac phase shift φs in the range of 0‒2π
    Fig. 2. Quadrant osition of Sagnac phase shift φs in the range of 0‒2π
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    Feedback control flow chart of fm and VPP
    Fig. 3. Feedback control flow chart of fm and VPP
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    Relationship between modulation error and demodulation error. (a) φs=0; (b) φs=π/4; (c) φs=7π/6; (d) φs=5π/3
    Fig. 4. Relationship between modulation error and demodulation error. (a) φs=0; (b) φs=π/4; (c) φs=7π/6; (d) φs=5π/3
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    Effect of frequency offset Δfm and voltage peak to peak offset ΔVPP on demodulation accuracy. (a) φs=0; (b) φs=π/4; (c) φs=7π/6; (d) φs=5π/3
    Fig. 5. Effect of frequency offset Δfm and voltage peak to peak offset ΔVPP on demodulation accuracy. (a) φs=0; (b) φs=π/4; (c) φs=7π/6; (d) φs=5π/3
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    Effects of sampling phase error on demodulation phase standard deviation S
    Fig. 6. Effects of sampling phase error on demodulation phase standard deviation S
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    Abstract
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    Figures&Tables (6)
    Equations (13)
    References (19)
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    Jia Li, Chen Meng, Ya Su, Shengbao Wu, Peng Hao, X.Steve Yao. Influencing Factors of Open-Loop Fiber Optic Gyroscope with Large Dynamic Range Quadrature Demodulation Algorithm[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1706004
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    Paper Information
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