Suppression of Phase Noise Induced by Modulation Frequency Deviation in Fiber-Optic Gyroscopes

The interferometric fiber-optic gyroscope (IFOG) is an instrument for rotational motion monitoring. In IFOGs, frequency modulation is required for noise suppression. However, when the modulation frequency is set based on a deviated eigen frequency, phase noise will increase in IFOGs. This paper prop...

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Veröffentlicht in:	Journal of lightwave technology 2025-01, Vol.43 (2), p.902-911
Hauptverfasser:	Cao, Xinyu, Zhu, Lanxin, Chen, Yanjun, Shi, Fangshuo, Wang, Wenbo, Huang, Huimin, Li, Zhengbin
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Coils Error analysis Fiber-optic gyroscope Frequency deviation Frequency measurement Frequency modulation Harmonic analysis Interferometric fiber optic gyroscopes Modulation modulation frequency Noise monitoring Noise reduction Optical fibers Phase modulation Phase noise phase noise suppression Random walk Resonant frequencies second harmonic descent algorithm Static tests
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