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http://dx.doi.org/10.6109/jkiice.2022.26.8.1180

Analysis of the Efficient Clutter Removal Method Using an Array Antenna in a Local Weather Radar  

Lee, Jonggil (Department of Information and Telecommunication Engineering, Incheon National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.26, no.8, 2022 , pp. 1180-1187 More about this Journal
Abstract
As the likelihood of occurrence of the localized microbursts or severe flooding is increased due to the unusual weather changes, it is the very urgent problem to detect these weather hazards with a local weather radar. For a local weather radar of this purpose, it is essential to detect the low altitude and the fast varying weather conditions. Therefore, the very fast update of the weather information and the efficient clutter removal is very important. To achieve this goal, the appropriate method should be applied which does not need the mechanical elevation scanning and has the capability of the efficient clutter removal. Therefore, in this paper, the usefulness of the implementation of elevational filter banks with the spatial FFT algorithm was analyzed and investigated using a simple array antenna. It is shown that the suggested method can be used for both the minimization of the ground clutter and the fast update of weather information.
Keywords
Detection of low elevation weather; Local weather hazard; Elevational filter bank; Array antenna;
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