User profiles for Wayne A. Scales

Wayne A. Scales

Professor of Electrical and Computer Engineering, Virginia Tech
Verified email at vt.edu
Cited by 1952

[HTML][HTML] Characterization of multi-scale ionospheric irregularities using ground-based and space-based GNSS observations

YX Peng, WA Scales, MD Hartinger, Z Xu, S Coyle - Satellite Navigation, 2021 - Springer
Ionospheric irregularities can adversely affect the performance of Global Navigation
Satellite System (GNSS). However, this opens the possibility of using GNSS as an effective …

SAPS in the 17 March 2013 storm event: Initial results from the coupled magnetosphere‐ionosphere‐thermosphere model

D Lin, W Wang, WA Scales, K Pham… - Journal of …, 2019 - Wiley Online Library
Subauroral polarization stream (SAPS) is latitudinally narrow flow channels of large westward
plasma drifts in the subauroral ionosphere. In this study, the global structure and dynamic …

Multiscale coherent structures and broadband waves due to parallel inhomogeneous flows

VV Gavrishchaka, GI Ganguli, WA Scales, SP Slinker… - Physical Review Letters, 2000 - APS
Linear theory analysis and particle-in-cell simulations show that a spatial transverse gradient
in the ion drift parallel to the magnetic field, dV di/dx≤ Ω i, where Ω i is the ion cyclotron …

[HTML][HTML] Coupling 1D xRAGE simulations with machine learning for graded inner shell design optimization in double shell capsules

…, BM Haines, E Loomis, SL England, WA Scales - Physics of …, 2021 - pubs.aip.org
Advances in machine learning provide the ability to leverage data from expensive simulations
of high-energy-density experiments to significantly cut down on computational time and …

Ion gyro‐harmonic structuring in the stimulated radiation spectrum and optical emissions during electron gyro‐harmonic heating

A Mahmoudian, WA Scales… - Journal of …, 2013 - Wiley Online Library
Stimulated electromagnetic emissions (SEEs) are secondary radiation produced during
active space experiments in which the ionosphere is actively heated with high power high …

Stimulated Brillouin scattering during electron gyro-harmonic heating at EISCAT

HY Fu, WA Scales, PA Bernhardt… - Annales …, 2015 - angeo.copernicus.org
Observations of secondary radiation, stimulated electromagnetic emission (SEE), produced
during ionospheric modification experiments using ground-based, high-power, high-…

Ion gyroharmonic structures in stimulated radiation during second electron gyroharmonic heating: 1. Theory

A Samimi, WA Scales, H Fu… - Journal of …, 2013 - Wiley Online Library
Stimulated electromagnetic emissions (SEEs) may provide important diagnostic information
about space plasma composition, energetics, and dynamics during active experiments in …

Dusty space plasma diagnosis using temporal behavior of polar mesospheric summer echoes during active modification

A Mahmoudian, WA Scales, MJ Kosch… - Annales …, 2011 - angeo.copernicus.org
The objective of this paper is to study the effect of different plasma and dust parameters on
Polar Mesospheric Summer Echoes (PMSE) temporal behavior after turn-on and turn-off of …

First modulation of high‐frequency polar mesospheric summer echoes by radio heating of the ionosphere

…, C La Hoz, MT Rietveld, WA Scales… - Geophysical …, 2014 - Wiley Online Library
The first high‐frequency (HF, 8 MHz) observations of the modulation of polar mesospheric
summer echoes (PMSE) by artificial radio heating of the ionosphere are presented and …

Coupling multi-fidelity xRAGE with machine learning for graded inner shell design optimization in double shell capsules

…, BM Haines, EN Loomis, SL England, WA Scales - Physics of …, 2023 - pubs.aip.org
Bayesian optimization has shown promise for the design optimization of inertial confinement
fusion targets. Specifically, in Vazirani et al.[Phys. Plasmas 28, 122709 (2021)], optimal …