[HTML][HTML] Mirror Clock: A Strategy for Identifying Atomic Clock Frequency Jumps
M Liu, Y Chen, Q Xu, Y Wang, Y Gao, A Zhang - Sensors, 2022 - mdpi.com
… In this case, we can analyze for each clock individually and identify the … the model detects
an error in the atomic clock. The corrected atomic clock can be created by swapping the jump …
an error in the atomic clock. The corrected atomic clock can be created by swapping the jump …
Atomic clocks and the continuous-time random-walk
V Formichella, J Camparo, P Tavella - The European Physical Journal B, 2017 - Springer
… Note that this case is exactly the one we are most interested in, since the … of atomic clocks,
in particular the mathematical modelling of a rubidium clock’s lamplight/frequency jumps and …
in particular the mathematical modelling of a rubidium clock’s lamplight/frequency jumps and …
Robust detection of fast and slow frequency jumps of atomic clocks
L Galleani, P Tavella - IEEE Transactions on Ultrasonics …, 2016 - ieeexplore.ieee.org
… therefore have a direct negative impact on the user positioning error [15]–[17]. The advantage
… A critical but interesting case is to detect jumps when the natural clock behavior is affected …
… A critical but interesting case is to detect jumps when the natural clock behavior is affected …
Detecting an atomic clock frequency anomaly using an adaptive Kalman filter algorithm
H Song, S Dong, W Wu, M Jiang, W Wang - Metrologia, 2018 - iopscience.iop.org
… of units (as in the case of mass and time) to coordination through … of an atomic clock mainly
include frequency jump and … according to a mathematical model and statistical method. …
include frequency jump and … according to a mathematical model and statistical method. …
A new approach to improve satellite clock estimates, removing the inter-day jumps
… solutions, where it should be expected a linear behaviour of the atomic clocks. In this
case, as for the receiver clocks, most of the RMS errors are maintained at the level of few …
case, as for the receiver clocks, most of the RMS errors are maintained at the level of few …
An analysis of the stationary operation of atomic clocks
M Fraas - Communications in Mathematical Physics, 2016 - Springer
… was denoted by yn and the jump at the right side of the … a mathematical model of atomic
clocks, see Eq. (26), and studied the stationary state of this model for the case of unbiased clocks…
clocks, see Eq. (26), and studied the stationary state of this model for the case of unbiased clocks…
Influence of the ac-Stark shift on GPS atomic clock timekeeping
V Formichella, J Camparo, P Tavella - Applied Physics Letters, 2017 - pubs.aip.org
… that lamplight jumps, which lead to RAFS frequency jumps via the light shift, … Note that in all
cases, the effect size is less than unity, … error of the satellites and the time error of the onboard …
cases, the effect size is less than unity, … error of the satellites and the time error of the onboard …
Atomic clocks for geodesy
TE Mehlstäubler, G Grosche, C Lisdat… - Reports on Progress …, 2018 - iopscience.iop.org
… For the usual case of two earthbound clocks at rest, the resulting frequency shift is directly …
the law of error propagation), which again has to be considered as a best-case scenario. This …
the law of error propagation), which again has to be considered as a best-case scenario. This …
On-line estimation of local oscillator noise and optimisation of servo parameters in atomic clocks
ID Leroux, N Scharnhorst, S Hannig, J Kramer… - Metrologia, 2017 - iopscience.iop.org
… available error estimate, e 2 the preceding error estimate, … , when the clock servo is jumping
between Ramsey fringes. … In this case we can be certain that the phase was not near $\…
between Ramsey fringes. … In this case we can be certain that the phase was not near $\…
Quantum variational optimization of Ramsey interferometry and atomic clocks
… is the Bayesian mean squared error of the estimated phase for … In analogous variational
optimizations of optical atomic clocks… Appendix D for the case of a phase operator as observable. …
optimizations of optical atomic clocks… Appendix D for the case of a phase operator as observable. …