Study on the Algorithm to Retrieve Precipitation with X-Band Synthetic Aperture Radar

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  • Funds:

    Supported by the Science and Technology Commission of Shanghai Municipality under Grant No. 08590700500

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  • In order to obtain the global precipitation distribution data, this paper investigates the precipitation distribution model, the normalized radar cross-section model, and the retrieval algorithm with X-band synthetic aperture radar (X-SAR). A new retrieval algorithm based on the surface-scattering reference attenuation is developed to retrieve the rain rate above the ground surface. This new algorithm needs no statistical work load and has more extensive applications. Calculations using the new algorithm for three cases verify that the rainfall is retrieved with high precision, which proves the capability of the algorithm.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study on the Algorithm to Retrieve Precipitation with X-Band Synthetic Aperture Radar

  • 1. School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China;
    School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China;
    University of Maryland,Maryland,MD 21250,USA
Funds: Supported by the Science and Technology Commission of Shanghai Municipality under Grant No. 08590700500

Abstract: In order to obtain the global precipitation distribution data, this paper investigates the precipitation distribution model, the normalized radar cross-section model, and the retrieval algorithm with X-band synthetic aperture radar (X-SAR). A new retrieval algorithm based on the surface-scattering reference attenuation is developed to retrieve the rain rate above the ground surface. This new algorithm needs no statistical work load and has more extensive applications. Calculations using the new algorithm for three cases verify that the rainfall is retrieved with high precision, which proves the capability of the algorithm.

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