The International Reference Ionosphere model: A review and description of an ionospheric benchmark

D Bilitza, M Pezzopane, V Truhlik… - Reviews of …, 2022 - Wiley Online Library
This paper is a review of the International Reference Ionosphere (IRI) project and model. IRI
is recognized as the official standard for the Earth's ionosphere by the International …

A review and prospects of operational frequency selecting techniques for HF radio communication

J Wang, Y Shi, C Yang, F Feng - Advances in Space Research, 2022 - Elsevier
High frequency (HF) radio communication is experiencing a renaissance worldwide,
especially in the military field. As a critical research spot of HF communication, the …

A hybrid deep learning‐based forecasting model for the peak height of ionospheric F2 layer

Y Shi, C Yang, J Wang, Y Zheng, F Meng… - Space …, 2023 - Wiley Online Library
To achieve accurate forecasting of the peak height of the ionospheric F2 layer (hmF2), we
propose a hybrid deep learning model of improved seagull optimization algorithm (ISOA) …

Topside electron density representations for middle and high latitudes: A topside parameterization for E‐CHAIM based on the NeQuick

DR Themens, PT Jayachandran… - Journal of …, 2018 - Wiley Online Library
In this study, we present a topside model representation to be used by the Empirical
Canadian High Arctic Ionospheric Model (E‐CHAIM). In the process of this, we also present …

[HTML][HTML] An Explainable Dynamic Prediction Method for Ionospheric foF2 Based on Machine Learning

J Wang, Q Yu, Y Shi, Y Liu, C Yang - Remote Sensing, 2023 - mdpi.com
To further improve the prediction accuracy of the critical frequency of the ionospheric F2
layer (fo F2), we use the machine learning method (ML) to establish an explanatory dynamic …

Ionosphere Variability II: Advances in theory and modeling

I Tsagouri, DR Themens, A Belehaki, JS Shim… - Advances in Space …, 2023 - Elsevier
This paper aims to provide an overview on recent advances in ionospheric modeling
capabilities, with the emphasis in the efforts relevant to electron density variability. The …

A bottomside parameterization for the empirical Canadian high arctic ionospheric model

DR Themens, PT Jayachandran, AM McCaffrey… - Radio …, 2019 - ieeexplore.ieee.org
In this study, we present a bottomside model representation to be used by the Empirical
Canadian High Arctic Ionospheric Model (E-CHAIM). This model features a new approach to …

A‐CHAIM: Near‐real‐time data assimilation of the high latitude ionosphere with a particle filter

B Reid, DR Themens, A McCaffrey… - Space …, 2023 - Wiley Online Library
Abstract The Assimilative Canadian High Arctic Ionospheric Model (A‐CHAIM) is an
operational ionospheric data assimilation model that provides a 3D representation of the …

Linear Vary-Chap topside electron density model with topside sounder and radio-occultation data

F dos Santos Prol, DR Themens… - Surveys in …, 2019 - Springer
Abstract The Linear Vary-Chap function has received increased attention in describing the
topside ionosphere due to its good performance for predicting and extrapolating radio …

GPS-based ionospheric tomography from the combination of PolSAR and E-CHAIM

C Wang, HS Zhao, LM Wang, L Cao… - … on Geoscience and …, 2024 - ieeexplore.ieee.org
The utilization of global positioning system (GPS) for 3-D ionospheric electron density
reconstruction, ie, computerized ionospheric tomography (CIT), provides significant …