Chinese Journal of Quantum Electronics, Volume. 40, Issue 5, 700(2023)
Analysis of noise and system effect in cold atom interference dynamic gravity measurement
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Fig. 2. Vibration noise weight function, power spectral density function and the product of the both
Fig. 3. Power spectral density of vibration and noise in lake experiment
Fig. 4. Raman optical phase noise weight function, power spectral density function and the product of the both
Fig. 5. Magnetic field noise weight function, power spectral density function and the product of the both
Fig. 6. Influence of heading deviation on Coriolis force correction
Fig. 8. Influence of Latitude Deviation on Coriolis Force Correction
Fig. 9. Influence of tilt angle deviation on stable platform correction
Table 1. Quantitative analysis results of cold atom interferometric gravity measurement noise and system effect
View tableView in ArticleTable 1. Quantitative analysis results of cold atom interferometric gravity measurement noise and system effect
Source of measurement noise, system effect Level of noise, system effect Influence on gravity measurement Vibration noise 18.59 μGal
3.93 mGal
Raman optical phase noise 5.53 μGal Magnetic field noise 5.21 μGal Coriolis correction. heading 1° ≤1.7 mGal Coriolis correction. velocity 0.1 m/s ≤1.3 mGal Coriolis correction. latitude 1″ ≤0.27 μGal Tilt angle correction of stable platform 1′ ≤0.42 mGal
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Hao CHE, An LI, Fangjun QIN, Chunfu HUANG. Analysis of noise and system effect in cold atom interference dynamic gravity measurement[J]. Chinese Journal of Quantum Electronics, 2023, 40(5): 700
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Received: Nov. 5, 2021
Accepted: --
Published Online: Nov. 24, 2023
The Author Email: QIN Fangjun (haig2005@126.com)
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