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Frequency noise suppression of nuclear magnetic resonance inertial sensor based on transfer function

  • Beihang University
  • Hefei National Laboratory

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The frequency noise in NMRG will lead to measurement errors and reducing the accuracy and sensitivity of the system. This paper, through noise transfer analysis, derived a noise transfer model for the detuned NMRG xenon frequency detection system that takes into account both modulation intensity and modulation frequency. The theoretical calculation results were highly consistent with the simulation data based on the Bloch equation, verifying the correctness of the proposed theoretical formula. Additionally, we analyzed the Allan variance characteristics of frequency noise under different modulation intensities. The above theoretical formula derivation and analysis results have significant guiding significance for the practical application and future development of NMRG. These research achievements have laid a solid theoretical foundation for further optimizing the performance of NMRG and improving its reliability in practical applications.

Original languageEnglish
Title of host publicationInternational Conference on Precision Instruments and Optical Engineering, PIOE 2025
EditorsJiang Guo, Zhengji Xu
PublisherSPIE
ISBN (Electronic)9781510695382
DOIs
StatePublished - 14 Oct 2025
EventInternational Conference on Precision Instruments and Optical Engineering, PIOE 2025 - Changsha, China
Duration: 8 Aug 202510 Aug 2025

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume13820
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceInternational Conference on Precision Instruments and Optical Engineering, PIOE 2025
Country/TerritoryChina
CityChangsha
Period8/08/2510/08/25

Keywords

  • Allan variance
  • Frequency noise
  • NMRG
  • Phase closed-loop
  • Transfer function

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