Interferometry of ionospheric E-region irregularities based on Kunming VHF radars

There is a long history of using VHF radar systems to detect ionospheric irregularities based on the theory of coherent scattering. According to previous work, there is a high occurrence of field-aligned irregularities (FAIs) in the ionospheric E-region over Kunming, China. In this paper, the VHF coherent scattering radar at Kunming is used to study the FAIs in the ionospheric E-region. Different arrangement of VHF radar antenna arrays, interferometry, and FAI echo parameter inversion methods are designed and tested. The measurement results show that the temporal and spatial characteristics of the irregularities can be obtained using these methods, as well as more refined spatial three-dimensional structure information. It is indicated that the new arrangement of the VHF radar antenna array is feasible to operate interferometry detection of E-region FAIs with the Kunming VHF radar.

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Publication Details

Journal
Frontiers in Astronomy and Space Sciences
Published
2024-10-07
DOI
https://doi.org/10.3389/fspas.2024.1343286
Primary Topic
Ionosphere and magnetosphere dynamics
Type
article
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Interferometry of ionospheric E-region irregularities based on Kunming VHF radars

Haiyin Qing, Yi Liu, Ting Lan, Bin Xu et al.
Frontiers in Astronomy and Space Sciences
Ionosphere and magnetosphere dynamics
article

Interferometry of ionospheric E-region irregularities based on Kunming VHF radars

Haiyin Qing, Yi Liu, Ting Lan, Bin Xu, Xiang Wang, Bo Chen, Chen Zhou, Yuqiang Zhang, Xinmiao Zhang, Zhongxin Deng, Tong Xu, Yihao Xu, Jian Feng
article en

Abstract

There is a long history of using VHF radar systems to detect ionospheric irregularities based on the theory of coherent scattering. According to previous work, there is a high occurrence of field-aligned irregularities (FAIs) in the ionospheric E-region over Kunming, China. In this paper, the VHF coherent scattering radar at Kunming is used to study the FAIs in the ionospheric E-region. Different arrangement of VHF radar antenna arrays, interferometry, and FAI echo parameter inversion methods are designed and tested. The measurement results show that the temporal and spatial characteristics of the irregularities can be obtained using these methods, as well as more refined spatial three-dimensional structure information. It is indicated that the new arrangement of the VHF radar antenna array is feasible to operate interferometry detection of E-region FAIs with the Kunming VHF radar.

Frontiers in Astronomy and Space SciencesVol. 11
Huanggang Normal University (CN), Shihezi University (CN), Leshan Normal University (CN), Wuhan University (CN), National Engineering Research Center of Electromagnetic Radiation Control Materials (CN), Hubei University (CN)
Openalex Percentile: Top 87%
Ionosphere and magnetosphere dynamics
DOIOpen Access PDFOpenAlex
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Interferometry of ionospheric E-region irregularities based on Kunming VHF radars — Haiyin Qing, Yi Liu, et al. · Frontiers in Astronomy and Space Sciences (2024) | TGRS Research Map | TGRS