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2013•Optics & Optoelectronic TechnologyRequires access

Random Error Analysis on Small RLG with Allan Variance

XU Guang-ming

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Abstract

The basic definition of Allan variance is introduced.The method and the whole process of estimating the noise of ring laser gyro(RLG) with Allan variance are presented.The bias of a small RLG is analyzed with the theory of Allan variance and five error coefficients are obtained.The results are expected to become a theoretical basis for error compensation of the RLG.

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What this paper is about

The basic definition of Allan variance is introduced.The method and the whole process of estimating the noise of ring laser gyro(RLG) with Allan variance are presented.The bias of a small RLG is analyzed with the theory of Allan variance and five error coefficients are obtained.The results are expected to become a theoretical basis for error compensation of the RLG.

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Available abstract

The basic definition of Allan variance is introduced.The method and the whole process of estimating the noise of ring laser gyro(RLG) with Allan variance are presented.The bias of a small RLG is analyzed with the theory of Allan variance and five error coefficients are obtained.The results are expected to become a theoretical basis for error compensation of the RLG.

Key concepts: Allan variance, Ring laser gyroscope, Variance (accounting), Random error, Noise (video), Mathematics, Statistics, Computer science

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