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Time-Frequency Characteristics of Ionospheric Clutter in High Frequency Surface Wave Radar during Typhoon Muifa

Xiaolong ZHENG, Bangjie LI, Daqiao ZHANG, Di YAO, Xuguang YANG

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Summary :

The ionospheric clutter in High Frequency Surface Wave Radar (HFSWR) is the reflection of electromagnetic waves from the ionosphere back to the receiver, which should be suppressed as much as possible for the primary purpose of target detection in HFSWR. However, ionospheric clutter contains vast quantities of ionospheric state information. By studying ionospheric clutter, some of the relevant ionospheric parameters can be inferred, especially during the period of typhoons, when the ionospheric state changes drastically affected by typhoon-excited gravity waves, and utilizing the time-frequency characteristics of ionospheric clutter at typhoon time, information such as the trend of electron concentration changes in the ionosphere and the direction of the typhoon can be obtained. The results of the processing of the radar data showed the effectiveness of this method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E106-A No.10 pp.1358-1361
Publication Date
2023/10/01
Publicized
2023/04/18
Online ISSN
1745-1337
DOI
10.1587/transfun.2022EAL2098
Type of Manuscript
LETTER
Category
Digital Signal Processing

Authors

Xiaolong ZHENG
  Xi'an Research Institute of High Technology
Bangjie LI
  Xi'an Research Institute of High Technology
Daqiao ZHANG
  Xi'an Research Institute of High Technology
Di YAO
  Long Dong University
Xuguang YANG
  Long Dong University

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