[HTML][HTML] Improved precision of epigenetic clock estimates across tissues and its implication for biological ageing
… We estimated the proportion of variance of age explained when fitting all probes … , we
estimated its association with DNA methylation at each CpG site. AAR-associated CpG sites were …
estimated its association with DNA methylation at each CpG site. AAR-associated CpG sites were …
Optimal time estimation and the clock uncertainty relation for stochastic processes
… Allan variance of time estimators for a ring clock with a similar geometry to that of Fig. 5(b).
We take a disordered but nonrandom set of rates given by Rµσ = rσδµ,σ+1 +e−∆rµδµ,σ−1, …
We take a disordered but nonrandom set of rates given by Rµσ = rσδµ,σ+1 +e−∆rµδµ,σ−1, …
Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks
BM Roberts, P Delva, A Al-Masoudi… - New Journal of …, 2020 - iopscience.iop.org
… models, the field amplitude goes to zero outside the defect. Assuming that topological defects
make up all dark matter, we can link … the ith clock pair (given by the Allan variance at the 60 …
make up all dark matter, we can link … the ith clock pair (given by the Allan variance at the 60 …
The companion of Enrico's chart for phase noise and two-sample variances
E Rubiola, F Vernotte - IEEE Transactions on Microwave Theory …, 2023 - ieeexplore.ieee.org
… the two-sample (Allan or Allan-like) variance of the fractional … and clocks as well [22] because
the time interval associated … spectra, the variances, and their relations, and it explains the …
the time interval associated … spectra, the variances, and their relations, and it explains the …
[HTML][HTML] Analysis of atomic-clock data to constrain variations of fundamental constants
N Sherrill, AO Parsons, CFA Baynham… - New Journal of …, 2023 - iopscience.iop.org
… Dilaton fields, see, eg [35–37]: they are similar to moduli, but … relations between quark and
lepton masses are very model … square root of the Modified Allan Variance, which is defined for …
lepton masses are very model … square root of the Modified Allan Variance, which is defined for …
Enhancing real-time precise point positioning time and frequency transfer with receiver clock modeling
Y Ge, F Zhou, T Liu, WJ Qin, S Wang, X Yang - GPS Solutions, 2019 - Springer
… To verify this relationship between the two models, five IGS … a priori noise variance is
determined by the Allan variance. … that the a priori noise variance is set to a similar value (see …
determined by the Allan variance. … that the a priori noise variance is set to a similar value (see …
Analysis of GPS satellite clock prediction performance with different update intervals and application to real-time PPP
… of satellite clocks is introduced and the Modified Allan Variance (… the stability of the satellite
clock is not only related to the satellite … for this article, please click on the relevant link below: …
clock is not only related to the satellite … for this article, please click on the relevant link below: …
Frequency ratio measurements at 18-digit accuracy using an optical clock network
Nature, 2021 - nature.com
… All data are analysed using the overlapping Allan deviation. … The variance of these known
statistical effects is \({\sigma }_{i}… of these models, we use a Bayesian approach 38 similar to …
statistical effects is \({\sigma }_{i}… of these models, we use a Bayesian approach 38 similar to …
Fundamental physics with a state-of-the-art optical clock in space
A Derevianko, K Gibble, L Hollberg… - Quantum Science …, 2022 - iopscience.iop.org
… , by measuring the relative variance of frequencies in the … optical clock in an elliptical orbit
around Earth is connected … the total Allan deviation, for the proposed optical lattice clock, …
around Earth is connected … the total Allan deviation, for the proposed optical lattice clock, …
A regression‐based methodology to improve estimation of inertial sensor errors using Allan variance data
… Similar terms appear along with additional sources of error in … for the analysis of error
sources in atomic clocks. Later, … relationships between observed data (Allan variance) and its …
sources in atomic clocks. Later, … relationships between observed data (Allan variance) and its …