Analysis of atomic-clock data to constrain variations of fundamental constants

N Sherrill, AO Parsons, CFA Baynham… - New Journal of …, 2023 - iopscience.iop.org
We present a new framework to study the time variation of fundamental constants in a model-
independent way. Model independence implies more free parameters than assumed in …

Emergence of self-affine surfaces during adhesive wear

E Milanese, T Brink, R Aghababaei… - Nature communications, 2019 - nature.com
Friction and wear depend critically on surface roughness and its evolution with time. An
accurate control of roughness is essential to the performance and durability of virtually all …

Effect of missing inter-beat interval data on heart rate variability analysis using wrist-worn wearables

HJ Baek, JW Shin - Journal of Medical Systems, 2017 - Springer
Most of the wrist-worn devices on the market provide a continuous heart rate measurement
function using photoplethysmography, but have not yet provided a function to measure the …

The development of a space climatology: 1. Solar wind magnetosphere coupling as a function of timescale and the effect of data gaps

M Lockwood, SN Bentley, MJ Owens… - Space …, 2019 - Wiley Online Library
Different terrestrial space weather indicators (such as geomagnetic indices, transpolar
voltage, and ring current particle content) depend on different coupling functions …

Interstellar turbulence spectrum from in situ observations of Voyager 1

KH Lee, LC Lee - Nature Astronomy, 2019 - nature.com
Interstellar scintillation of radio waves from pulsars reveals that the interstellar turbulence
spectrum of electron density approximates the Kolmogorov power law from wavenumber q …

Comparing methods and defining practical requirements for extracting harmonic tidal components from groundwater level measurements

D Schweizer, V Ried, GC Rau, JE Tuck… - Mathematical …, 2021 - Springer
The groundwater pressure response to the ubiquitous Earth and atmospheric tides provides
a largely untapped opportunity to passively characterize and quantify subsurface hydro …

Turbulence spectra of electron density and magnetic field fluctuations in the local interstellar medium

KH Lee, LC Lee - The Astrophysical Journal, 2020 - iopscience.iop.org
We present the turbulence spectra of magnetic and electron density fluctuations in situ
measured by Voyager 1 in the local interstellar medium from 2012 to 2019. The magnetic …

An automated algorithm for identifying and tracking transverse waves in solar images

MJ Weberg, RJ Morton… - The Astrophysical …, 2018 - iopscience.iop.org
Recent instrumentation has demonstrated that the solar atmosphere supports omnipresent
transverse waves, which could play a key role in energizing the solar corona. Large-scale …

Circalunar variations of the night sky brightness–an FFT perspective on the impact of light pollution

J Puschnig, S Wallner, T Posch - Monthly Notices of the Royal …, 2020 - academic.oup.com
Circa-monthly activity conducted by moonlight is observed in many species on Earth. Given
the vast amount of artificial light at night (ALAN) that pollutes large areas around the globe …

Determination of periodic deformation from InSAR results using the FFT time series analysis method in Gediz Graben

KO Hastaoglu, F Poyraz, H Erdogan, İ Tiryakioglu… - Natural Hazards, 2023 - Springer
Permanent Scatterers (PS) point velocities obtained by the interferometric synthetic aperture
radar (InSAR) method are generally determined using the linear regression model, which …