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Telecommunications and Radio Engineering
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v61.i2.30
pages 116-124

Estimating Cloud and Rain Parameters from Doppler Radar Data

O. O. Bezvesilniy
Institute of Radio Astronomy, National Academy of Sciences of Ukraine
G. Peters
Meteorological Institute, University Hamburg, Bundesstrasse 55,D 20146 Hamburg, Germany
Dmitry M. Vavriv
Institute of Radio Astronomy, National Academy of Sciences of Ukraine 4, Krasnoznamennaya St., Kharkiv 61002, Ukraine

RESUMO

Real-time mapping of the parameters of precipitating water clouds and rain using a vertically-directed Doppler radar is an important problem. In this paper, an algorithm based on an independent estimation of the droplet effective diameter and concentration is suggested. This approach differs from the Marshall-Palmer retrieval procedure that is based on a single estimated parameter, the radar reflectivity factor. It is shown that the Marshall-Palmer approach can provide good estimates of the averaged parameters, however is not suitable for producing the high resolution time-height maps of the parameters. The two-parameter retrieval algorithm under discussion was tested using the data obtained with the 36 GHz polarimetric Doppler cloud radar MIRA-36. The measurements data and their processing are presented. The suggested algorithm is applicable to real-time measurements with the vertically-directed Doppler radars.


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