Disciplining a Rubidium Atomic Clock Based on Adaptive Kalman Filter [PDF]
SensorsRubidium atomic clocks have been used extensively in various fields, with applications such as a core component of Global Navigation Satellite Systems (GNSS). However, they exhibit inherently poor long-term stability.
Kun Liu +3 more
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A modified C-field circuit for the rubidium atomic clock [PDF]
AIP Advances, 2021 As one of the important circuits of the rubidium atomic clock, the C-field circuit plays a significant role in the rubidium atomic clock’s performance. Generally, a C-field circuit is used to provide a constant current to a C-field coil by forming a weak
Yonggang Guo +8 more
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Improving the start-up characteristics of the rubidium atomic clock
AIP Advances, 2022 Considering the importance of start-up characteristics of the rubidium atomic clock in engineering applications, the objective of this paper is to optimize the start-up characteristics of the rubidium atomic clock by studying the theory of the rubidium ...
Yonggang Guo +8 more
doaj +2 more sources
Comparison of Gravitational and Light Frequency Shifts in Rubidium Atomic Clock [PDF]
Universe, 2020 The article presents the results of an experimental study of the external magnetic field orientation and magnitude influence on the rubidium atomic clock, simulating the influence of the geomagnetic field on the onboard rubidium atomic clock of ...
Alexey Baranov +3 more
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Measurement of Optical Rubidium Clock Frequency Spanning 65 Days [PDF]
Sensors, 2022 Optical clocks are emerging as next-generation timekeeping devices with technological and scientific use cases. Simplified atomic sources such as vapor cells may offer a straightforward path to field use, but suffer from long-term frequency drifts and ...
Nathan D. Lemke +5 more
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Multi-parameter microwave quantum sensing with a single atomic probe [PDF]
Scientific ReportsWe demonstrate a multi-parameter sensing scheme for free space microwave electric and magnetic fields in single vapor cell based on the atom-based microwave detection techniques.
Zhigang Feng +3 more
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Frequency Instability Impact of Low-Cost SDRs on Doppler-Based Localization Accuracy [PDF]
SensorsIn this paper, we explore several widely available software-defined radio (SDR) platforms that could be used for locating with the signal Doppler frequency (SDF) method.
Kacper Bednarz +3 more
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A High-Precision Frequency Adjustment Circuit for Miniaturized Rubidium Atomic Clocks
Chinese Journal of Magnetic Resonance, 2019 Frequency adjusting precision is an important performance indicator of miniaturized rubidium atomic clock (RAC) in some applications, such as the case in GPS disciplined RAC systems.
YU Zhi-hui +4 more
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Investigation of an Ultra High Signal-to-noise Ratio Physics Package for the Rubidium Atomic Clock
Chinese Journal of Magnetic Resonance, 2023 Driven by the demand for satellite navigation and deep space exploration, the performance of lamp-pumped rubidium atomic clock has been greatly improved, and its short-term frequency stability has reached the level of a small coefficient of 10-13τ -1/2 ...
CUI Jiaqi +7 more
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New miniaturized microwave cavity for Rubidium atomic clocks [PDF]
2012 IEEE Sensors, 2012 Nowadays there is an increasing need for radically miniaturized and low-power atomic frequency standards, for use in mobile and battery-powered applications. For the miniaturization of double-resonance (DR) Rubidium (87Rb) atomic clocks, the size reduction of the microwave cavity or resonator (MWR) to well below the wavelength of the atomic transition (
Violetti M. +6 more
openaire +3 more sources