2021年8月
A Study of Comb Beam Transmission on Phased Array Weather Radars
IEEE Transactions on Geoscience and Remote Sensing
- ,
- ,
- 巻
- 59
- 号
- 8
- 開始ページ
- 6346
- 終了ページ
- 6356
- 記述言語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1109/TGRS.2020.3029875
The comb beam transmission (TX) approach, which forms a power antenna radiation pattern with multiple mainlobes, was studied for application to phased array weather radars. Combining the use of comb TX and a digital beamforming receiver enables a weather radar to observe multiple directions simultaneously. Numerical simulations show that the two-way antenna radiation patterns formed by comb TXs have properties comparable to conventional weather radar observation: almost the same mainlobe widths are achieved, and with reference to the mainlobe peak, the maximum sidelobe level is less than -37 dB, and the sidelobe level reaches -60 dB at an angle of 13.77°. These properties are superior to the wide TXs that are normally utilized by phased array weather radars. A simulation that applied the comb TX approach to a current C-band weather radar showed that the volume scan time can be reduced from almost 500 s to 1 min.
- リンク情報
- ID情報
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- DOI : 10.1109/TGRS.2020.3029875
- ISSN : 0196-2892
- eISSN : 1558-0644
- SCOPUS ID : 85097933777