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Electromagnetic-Wave Scattering from Steep Mesoscale Wavelets: Interpolating the Results of the Perturbation Theory and the Geometrical Theory of Diffraction

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Abstract

We analyze the dependence of the microwave backscattering cross section on the height h of steep isolated mesoscale wavelets. The scattering cross section is calculated based on the Born approximation of the perturbation theory valid for small wavelet heights kh≪ 1, where k is the wave number, and also within the framework of the geometrical theory of diffraction valid for kh≫ 1. We propose a convenient interpolation formula which yields a plausible estimate of the scattering cross section for arbitrary values of kh, including the intermediate case kh∼ 1 that cannot be described by the well-known theories.

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Authors and Affiliations

  1. Space Research Institute of the Russian Academy of Sciences, Moscow, Russia

    Yu. A. Kravtsov, A. V. Morkotun & A. N. Churyumov

  2. Space Research Centre of the Polish Academy of Sciences, Warsaw, Poland

    Yu. A. Kravtsov

Authors
  1. Yu. A. Kravtsov
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  2. A. V. Morkotun
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  3. A. N. Churyumov
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Kravtsov, Y.A., Morkotun, A.V. & Churyumov, A.N. Electromagnetic-Wave Scattering from Steep Mesoscale Wavelets: Interpolating the Results of the Perturbation Theory and the Geometrical Theory of Diffraction. Radiophysics and Quantum Electronics 45, 612–618 (2002). https://doi.org/10.1023/A:1021724830230

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