摘要Based on the double superimposition model, a sea slope model is obtained on the basis of the generated oceanic surface instead of being assumed as a Gaussian distribution model. Then, a summation formula of the backscattering coefficient is derived from the Bass-Fuks two-scale model and its application is extended to the non-Gaussian oceanic surface with the help of simulated sea slopes, which can adequately reflect the non-Gaussian configuration of the sea surface. Finally, this scattering model is employed to describe the backscattering configuration of sea surfaces in different sea states and wind directions, and is confirmed by several numerical examples.
Abstract:Based on the double superimposition model, a sea slope model is obtained on the basis of the generated oceanic surface instead of being assumed as a Gaussian distribution model. Then, a summation formula of the backscattering coefficient is derived from the Bass-Fuks two-scale model and its application is extended to the non-Gaussian oceanic surface with the help of simulated sea slopes, which can adequately reflect the non-Gaussian configuration of the sea surface. Finally, this scattering model is employed to describe the backscattering configuration of sea surfaces in different sea states and wind directions, and is confirmed by several numerical examples.
ZHANG Min;CHEN Hui;ZHOU Pin;ZHANG Xiang-Yang. An Efficient Simulated Sea Slope Model for Backscattering from a Non-Gaussian Sea Surface[J]. 中国物理快报, 2009, 26(9): 94102-094102.
ZHANG Min, CHEN Hui, ZHOU Pin, ZHANG Xiang-Yang. An Efficient Simulated Sea Slope Model for Backscattering from a Non-Gaussian Sea Surface. Chin. Phys. Lett., 2009, 26(9): 94102-094102.
[1] Yu W D, Hua F, Jin M B, Pan Z D and Yuan Y L 1998 Chin. Phys. Lett. 15 931 [2] Zhang M, Li L W, Li L X and Wu Z S 2007 Chin. Phys.Lett. 24 1563 [3] Tessendorf J 2001 Simulating Nature: Realistic andInteractive Techniques, ACM SIGGRAPH 2001 Course Notes 47 [4] Bass F, Fuks I et al 1968 IEEE Trans Anten.Propagat. 16 554 [5] Bass F, Fuks I et al 1968 IEEE Trans Anten.Propagat. 16 560 [6] Bass F G and Fuks I M 1979 Wave Scattering FromStatistically Rough Surfaces (Oxford: Pergamon) [7] Fung A K and Lee K 1982 IEEE J. Ocean. Engin. 7 166 [8] Cox C and Munk W 1954 J. Marine Res. 13 198 [9] Bourlier C, Berginc G and Saillard J 2002 IEEE Trans.Anten. Propagat. 50 312 [10] Andreas A B, Ali K and Arnaud M 2007 IEEE Trans.Geosci. Remote Sensing. 45 3372 [11] Jones W L et al 1977 IEEE Trans Anten. Propagat. 25 52