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    A Millimeter-Wavelength Dual-Polarization Doppler Radar for Cloud and Precipitation Studies

    Source: Journal of Climate and Applied Meteorology:;1983:;volume( 022 ):;issue: 005::page 758
    Author:
    Pasqualucci, F.
    ,
    Bartram, B. W.
    ,
    Kropfli, R. A.
    ,
    Moninger, W. R.
    DOI: 10.1175/1520-0450(1983)022<0758:AMWDPD>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: A pulse Doppler radar system operating at 35 GHz and having full polarization (linear and circular) diversity capability is described. Separate antennas are used for the transmitter and the receiver because this design approach allows better overall radar sensitivity. The transmitter operates in the double-pulse mode to optimize the unambiguous Doppler velocity measurable with the system. A polarizer capable of handling about 200 kW of peak power when pressurized with sulfur hexafluoride (SF6) at 25 psi was developed for the transmitter. The radar system has built-in test sequences for checking the gain and alignment of the transmitter and receiver antennas. The dual-polarization intermediate frequency (IF) receiver has a total of six analog channels. A very flexible data acquisition and processing system has been developed to allow both coherent and incoherent dual-polarization measurements to be performed; the system includes a microprocessor-controlled pulse-pair processor and a minicomputer with associated peripherals. The radar was operated successfully in Montana during the 1981 Cooperative Convective Precipitation Experiment (CCOPE). Preliminary results on the observed variation of the circular depolarization ratio (CDR) are shown and related to the storm and cloud structure.
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      A Millimeter-Wavelength Dual-Polarization Doppler Radar for Cloud and Precipitation Studies

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4145618
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    • Journal of Climate and Applied Meteorology

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    contributor authorPasqualucci, F.
    contributor authorBartram, B. W.
    contributor authorKropfli, R. A.
    contributor authorMoninger, W. R.
    date accessioned2017-06-09T13:59:30Z
    date available2017-06-09T13:59:30Z
    date copyright1983/05/01
    date issued1983
    identifier issn0733-3021
    identifier otherams-10495.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4145618
    description abstractA pulse Doppler radar system operating at 35 GHz and having full polarization (linear and circular) diversity capability is described. Separate antennas are used for the transmitter and the receiver because this design approach allows better overall radar sensitivity. The transmitter operates in the double-pulse mode to optimize the unambiguous Doppler velocity measurable with the system. A polarizer capable of handling about 200 kW of peak power when pressurized with sulfur hexafluoride (SF6) at 25 psi was developed for the transmitter. The radar system has built-in test sequences for checking the gain and alignment of the transmitter and receiver antennas. The dual-polarization intermediate frequency (IF) receiver has a total of six analog channels. A very flexible data acquisition and processing system has been developed to allow both coherent and incoherent dual-polarization measurements to be performed; the system includes a microprocessor-controlled pulse-pair processor and a minicomputer with associated peripherals. The radar was operated successfully in Montana during the 1981 Cooperative Convective Precipitation Experiment (CCOPE). Preliminary results on the observed variation of the circular depolarization ratio (CDR) are shown and related to the storm and cloud structure.
    publisherAmerican Meteorological Society
    titleA Millimeter-Wavelength Dual-Polarization Doppler Radar for Cloud and Precipitation Studies
    typeJournal Paper
    journal volume22
    journal issue5
    journal titleJournal of Climate and Applied Meteorology
    identifier doi10.1175/1520-0450(1983)022<0758:AMWDPD>2.0.CO;2
    journal fristpage758
    journal lastpage765
    treeJournal of Climate and Applied Meteorology:;1983:;volume( 022 ):;issue: 005
    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
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