A drop size distribution (DSD)-based model for evaluating the performance of wet radomes for dual-polarized radars

A novel analytical method is presented for evaluating the electrical performance of a radome for a dual-polarized phased-array antenna under rain conditions. Attenuation, reflections, and induced cross polarization are evaluated for different rainfall conditions and radome types. The authors present a model for estimating the drop size distribution on a radome surface based on skin surface material, area, inclination, and rainfall rate. Then, a multilayer radome model based on the transmission-line-equivalent circuit model is used to characterize the radome’s scattering parameters. Numerical results are compared with radar data obtained in the Next Generation Weather Radar (NEXRAD) and Collaborative Adaptive Sensing of the Atmosphere (CASA) systems, and good agreement is found.

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Author Salazar-Cerreno, Jorge
Chandrasekar, V.
Trabal, Jorge
Siquera, Paul
Medina, Rafael
Knapp, Eric
McLaughlin, David
Publisher UCAR/NCAR - Library
Publication Date 2014-11-01T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:22:25.227569
Metadata Record Identifier edu.ucar.opensky::articles:14486
Metadata Language eng; USA
Suggested Citation Salazar-Cerreno, Jorge, Chandrasekar, V., Trabal, Jorge, Siquera, Paul, Medina, Rafael, Knapp, Eric, McLaughlin, David. (2014). A drop size distribution (DSD)-based model for evaluating the performance of wet radomes for dual-polarized radars. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7b27w9c. Accessed 22 February 2025.

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