Upper atmospheric responses to surface disturbances: An observational perspective

X Meng, P Vergados, A Komjathy… - Radio …, 2019 - ieeexplore.ieee.org
We review observations on the coupling between Earth's surface disturbances and the
upper atmosphere. In particular, we focus on the upper atmospheric responses to …

Wuhan ionospheric oblique backscattering sounding system and its applications—A review

S Shi, G Yang, C Jiang, Y Zhang, Z Zhao - Sensors, 2017 - mdpi.com
For decades, high-frequency (HF) radar has played an important role in sensing the Earth's
environment. Advances in radar technology are providing opportunities to significantly …

Principles of mode-selective MIMO OTHR

YI Abramovich, GJ Frazer… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In over-the-horizon radar (OTHR) the need to preferentially select propagation mode arises
when one or more modes are perturbed by ionospheric disturbances. Due to mixed-mode …

Experimental results for MIMO methods applied in over-the-horizon radar

GJ Frazer - IEEE Aerospace and Electronic Systems Magazine, 2017 - ieeexplore.ieee.org
Multiple-Input Multiple-Output (MIMO) radar has been an active topic in the radar research
community for more than a decade [1]–[3]. MIMO based approaches have been investigated …

Nostradamus: The radar that wanted to be a seismometer

G Occhipinti, P Dorey, T Farges… - Geophysical Research …, 2010 - Wiley Online Library
Surface waves emitted after large earthquakes are known to induce, by dynamic coupling,
atmospheric infrasonic waves propagating upward through the neutral and ionized …

[PDF][PDF] 基于改进遗传算法的天波超视距雷达二维阵列稀疏优化设计

严韬, 陈建文, 鲍拯 - 电子与信息学报, 2014 - edit.jeit.ac.cn
针对均匀矩形平面阵在2 维阵天波超视距雷达(OTHR) 工程应用时阵元数目庞大问题,
该文提出利用改进遗传算法进行稀疏优化设计的解决办法. 从波束赋形角度出发建立了稀疏矩形 …

Localization method of wide-area distribution multistatic sky-wave over-the-horizon radar

L Yang, H Gao, Y Ling, B Li - IEEE Geoscience and Remote …, 2020 - ieeexplore.ieee.org
In this letter, a model of wide-area distribution multistatic-(independent transmitters and
independent receivers) sky-wave over-the-horizon radar (WDMS-OTHR) is investigated. A …

A low-power and small-size HF backscatter radar for ionospheric sensing

S Shi, Z Zhao, F Su, G Chen - IEEE Geoscience and Remote …, 2009 - ieeexplore.ieee.org
A new high-frequency backscatter radar (Wuhan Ionospheric Oblique Backscattering
Sounding System) for ionospheric sensing and study has been developed. With the new …

Target location and height estimation via multipath signal and 2D array for sky-wave over-the-horizon radar

Z Luo, Z He, X Chen, K Lu - IEEE Transactions on Aerospace …, 2016 - ieeexplore.ieee.org
In sky-wave over-the-horizon radar (OTHR), it is quite difficult to handle the issues of target
location (ground range) and height (altitude) estimation due to their joint effect on group …

Advancements at the lower end: Advances in HF, VHF, and UHF systems and technology

R Caverly, G Breed, WH Cantrell, M Eron… - IEEE Microwave …, 2015 - ieeexplore.ieee.org
In the March 2002 issue of IEEE Transactions on Microwave Theory and Techniques (T-
MTT), Frederick Raab, chair and founder of the highfrequency (HF), very high frequency …