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    Evaluation of Attenuation Correction Methodology for Dual-Polarization Radars: Application to X-Band Systems

    Source: Journal of Atmospheric and Oceanic Technology:;2005:;volume( 022 ):;issue: 008::page 1195
    Author:
    Gorgucci, Eugenio
    ,
    Chandrasekar, V.
    DOI: 10.1175/JTECH1763.1
    Publisher: American Meteorological Society
    Abstract: Monitoring of precipitation using high-frequency radar systems, such as the X band, is becoming increasingly popular because of their lower cost compared to their S-band counterpart. However, at higher frequencies, such as the X band, the precipitation-induced attenuation is significant, and introduces ambiguities in the interpretation of the radar observations. Differential phase measurements have been shown to be very useful for correcting the measured reflectivity for precipitation-induced attenuation. This paper presents a quantitative evaluation of two attenuation correction methodologies with specific emphasis on the X band. A simple differential phase?based algorithm as well as the range-profiling algorithm are studied. The impact of backscatter differential phase on the performance of attenuation correction is evaluated. It is shown that both of the algorithms for attenuation correction work fairly well, yielding attenuation-accurate corrected reflectivities with a negligible bias.
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      Evaluation of Attenuation Correction Methodology for Dual-Polarization Radars: Application to X-Band Systems

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4227451
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    contributor authorGorgucci, Eugenio
    contributor authorChandrasekar, V.
    date accessioned2017-06-09T17:22:51Z
    date available2017-06-09T17:22:51Z
    date copyright2005/08/01
    date issued2005
    identifier issn0739-0572
    identifier otherams-84147.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4227451
    description abstractMonitoring of precipitation using high-frequency radar systems, such as the X band, is becoming increasingly popular because of their lower cost compared to their S-band counterpart. However, at higher frequencies, such as the X band, the precipitation-induced attenuation is significant, and introduces ambiguities in the interpretation of the radar observations. Differential phase measurements have been shown to be very useful for correcting the measured reflectivity for precipitation-induced attenuation. This paper presents a quantitative evaluation of two attenuation correction methodologies with specific emphasis on the X band. A simple differential phase?based algorithm as well as the range-profiling algorithm are studied. The impact of backscatter differential phase on the performance of attenuation correction is evaluated. It is shown that both of the algorithms for attenuation correction work fairly well, yielding attenuation-accurate corrected reflectivities with a negligible bias.
    publisherAmerican Meteorological Society
    titleEvaluation of Attenuation Correction Methodology for Dual-Polarization Radars: Application to X-Band Systems
    typeJournal Paper
    journal volume22
    journal issue8
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/JTECH1763.1
    journal fristpage1195
    journal lastpage1206
    treeJournal of Atmospheric and Oceanic Technology:;2005:;volume( 022 ):;issue: 008
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian