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    Implementation and Validation of Range Imaging on a UHF Radar Wind Profiler

    Source: Journal of Atmospheric and Oceanic Technology:;2003:;volume( 020 ):;issue: 007::page 987
    Author:
    Chilson, Phillip B.
    ,
    Yu, Tian-You
    ,
    Strauch, Richard G.
    ,
    Muschinski, Andreas
    ,
    Palmer, Robert D.
    DOI: 10.1175/1520-0426(2003)20<987:IAVORI>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The available range resolution of pulsed radar wind profilers is usually limited by bandwidth restrictions. Range imaging (RIM) has recently been developed as a means of mitigating these limitations by operating the wind profilers over a small set of distinct transmitter frequencies. A constrained optimization method can then be used to generate high-resolution maps of the reflectivity field as a function of range. This paper presents a description of how the RIM technique has been recently implemented on the Platteville 915-MHz tropospheric profiler, the first such implementation at UHF. Examples of data collected during a two-part experiment on 10 April 2001 using the Platteville 915-MHz tropospheric profiler are presented. In the first part, an intercomparison was made involving measurements from RIM and standard radar techniques. It is shown that available frequency bandwidth can be very effectively utilized through the RIM processing. In the second part of the experiment, RIM was applied to radar observations collected with a short (0.5 µs) transmit pulse. The resulting data include observations of a thin, persistent scattering layer attributed to a subsidence inversion and billows from a Kelvin?Helmholtz instability. Estimates of the width of the layer were found to be as small as 12 m.
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      Implementation and Validation of Range Imaging on a UHF Radar Wind Profiler

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4158923
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    contributor authorChilson, Phillip B.
    contributor authorYu, Tian-You
    contributor authorStrauch, Richard G.
    contributor authorMuschinski, Andreas
    contributor authorPalmer, Robert D.
    date accessioned2017-06-09T14:35:48Z
    date available2017-06-09T14:35:48Z
    date copyright2003/07/01
    date issued2003
    identifier issn0739-0572
    identifier otherams-2247.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4158923
    description abstractThe available range resolution of pulsed radar wind profilers is usually limited by bandwidth restrictions. Range imaging (RIM) has recently been developed as a means of mitigating these limitations by operating the wind profilers over a small set of distinct transmitter frequencies. A constrained optimization method can then be used to generate high-resolution maps of the reflectivity field as a function of range. This paper presents a description of how the RIM technique has been recently implemented on the Platteville 915-MHz tropospheric profiler, the first such implementation at UHF. Examples of data collected during a two-part experiment on 10 April 2001 using the Platteville 915-MHz tropospheric profiler are presented. In the first part, an intercomparison was made involving measurements from RIM and standard radar techniques. It is shown that available frequency bandwidth can be very effectively utilized through the RIM processing. In the second part of the experiment, RIM was applied to radar observations collected with a short (0.5 µs) transmit pulse. The resulting data include observations of a thin, persistent scattering layer attributed to a subsidence inversion and billows from a Kelvin?Helmholtz instability. Estimates of the width of the layer were found to be as small as 12 m.
    publisherAmerican Meteorological Society
    titleImplementation and Validation of Range Imaging on a UHF Radar Wind Profiler
    typeJournal Paper
    journal volume20
    journal issue7
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/1520-0426(2003)20<987:IAVORI>2.0.CO;2
    journal fristpage987
    journal lastpage996
    treeJournal of Atmospheric and Oceanic Technology:;2003:;volume( 020 ):;issue: 007
    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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