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二維分形粗糙面電磁散射的分形規(guī)律研究

郭立新 吳振森

郭立新, 吳振森. 二維分形粗糙面電磁散射的分形規(guī)律研究[J]. 電子與信息學(xué)報(bào), 2002, 24(10): 1405-1411.
引用本文: 郭立新, 吳振森. 二維分形粗糙面電磁散射的分形規(guī)律研究[J]. 電子與信息學(xué)報(bào), 2002, 24(10): 1405-1411.
Guo Lixin, Wu Zhensen. Fractal characteristics investigation on electromagnetic scattering from two dimensional rough surface[J]. Journal of Electronics & Information Technology, 2002, 24(10): 1405-1411.
Citation: Guo Lixin, Wu Zhensen. Fractal characteristics investigation on electromagnetic scattering from two dimensional rough surface[J]. Journal of Electronics & Information Technology, 2002, 24(10): 1405-1411.

二維分形粗糙面電磁散射的分形規(guī)律研究

Fractal characteristics investigation on electromagnetic scattering from two dimensional rough surface

  • 摘要: 采用二維歸一化帶限Brown分形函數(shù)來模擬二維分形粗糙面,利用基爾霍夫近似給出了該粗糙面的電磁散射場(chǎng)和散射強(qiáng)度方差的計(jì)算公式,主要討論了散射場(chǎng)分布與分維的關(guān)系,獲得了散射場(chǎng)波峰擬合線的斜率與分維D滿足線性關(guān)系這一重要規(guī)律。
  • A. Ishimaru, Wave Propagation and Scattering in Random Media, New York, Academic Press,1978, chap. 21. [2]P. Beckmann, The Scattering of Electromagnetic Waves from Rough Surfaces, New York, Academic Press, 1978, chap. 3. [3]B.B. Mandelbrot, The Fractal Geometry of Nature, New York, Freeman, 1982, chap. 1. [4]K. Falconer, Fractal Geometry: Mathematical Foundations and Application, New York, Wiley,1990, chap. 1. [5]M.V. Berry, Diffractal echos, J. Phys. A, 1981, 14(6), 3101-3110.[2]Y.Y. Agnon, M. Stiassnie, Remote sensing of the roughness of a fractal sea surface, J. Geophysical Research, 1991, 96(C7), 12773-12779.[3]J.A. Sanchez-Gil, J. V. Garcia-Ramos, Strong surface field enhancements in the scattering of p-polarzied light from fractal metal surfaces, Opt. Communications, 1997, 134(1), 11-15.[4]L.X. Guo, Z. S. Wu, Electromagnetic scattering from one-dimensional fractal surface, Chinese Phys. Letters, 1994, 11(5), 257-260.[5]N. Lin, et al., Wave scattering from fractal surface, J. of Modern Opt., 1995, 42(1), 225-241.[6]D.L. Jaggard, et al., Scattering from fractally corrugated surfaces, J. Opt. Soc. Am., 1987, 7(6),1131-1139.
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  • 收稿日期:  2000-10-20
  • 修回日期:  2001-07-26
  • 刊出日期:  2002-10-19

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