Modeling ionospheric disturbance features in quasi‐vertically incident ionograms using 3‐D magnetoionic ray tracing and atmospheric gravity waves

MA Cervera, TJ Harris - Journal of Geophysical Research …, 2014 - Wiley Online Library
The Defence Science and Technology Organisation (DSTO) has initiated an experimental
program, Spatial Ionospheric Correlation Experiment, utilizing state‐of‐the‐art DSTO …

Illumination guidelines for ultrafast pump–probe experiments by serial femtosecond crystallography

ML Grünbein, M Stricker, G Nass Kovacs, M Kloos… - Nature …, 2020 - nature.com
Time-resolved crystallography with X-ray free-electron lasers enables structural
characterization of light-induced reactions on ultrafast timescales. To be biologically and …

High-frequency ionospheric monitoring system for over-the-horizon radar in Canada

T Thayaparan, D Dupont, Y Ibrahim… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The Canadian Department of National Defence (DND) is developing an experimental over-
the-horizon radar (OTHR) with the potential for surveillance of Canada. Because of …

Ionospheric effects on HF radio wave propagation

MA Cervera, TJ Harris, DA Holdsworth… - Ionosphere …, 2021 - Wiley Online Library
Various radio wave instruments and technologies operating in the High Frequency (HF)
radio band have been used for many decades and are reliant on or are affected by the …

Practical applications of Haselgrove's equations for HF systems

LJ Nickisch - URSI Radio Science Bulletin, 2008 - ieeexplore.ieee.org
Jenifer Haselgrove's 1955 paper, entitled “Ray Theory and a New Method for Ray Tracing,”
has become the classic reference for the application of Hamilton's equations to the problem …

Mapping irregularities in the postsunset equatorial ionosphere with an expanded network of HF beacons

DL Hysell, E Rojas, H Goldberg… - Journal of …, 2021 - Wiley Online Library
Data from a network of high‐frequency (HF) beacons deployed in Peru are used to estimate
the regional ionospheric electron density in a volume. Pseudorange, accumulated carrier …

Progress in radio ray tracing in the ionosphere

JA Bennett, PL Dyson… - URSI Radio Science …, 2004 - ieeexplore.ieee.org
The theoretical basis of ray tracing as part of the construction of an approximate solution of
Maxwell's equations is discussed. The rays can then be seen as arising as characteristic …

A ray-tracing technique for determining ray tubes in anisotropic media

RJ Norman, JA Bennett, PL Dyson… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
Ray-tracing techniques are commonly used for calculating the paths taken by
electromagnetic waves in a medium that has an associated refractive index, such as the …

[PDF][PDF] Comparing HF radar backscatter from the Southern Ocean with ray-tracing results using the IRI model

RJ Norman, ML Parkinson, PL Dyson - Proceedings of the Workshop on …, 2004 - Citeseer
In this paper, seasonal variations in backscatter from the sea measured with an Over-The-
Horizon Radar (OTHR) designed for space weather research are compared to synthesized …

[引用][C] 短波信道相干带宽的计算

李彦丽, 张义尉, 段晓辉, 焦秉立 - 北京大学学报: 自然科学版, 2008