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The use of fractals for modeling EM waves scattering from rough sea surface

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4 Author(s)
Ji Chen ; Commun. Res. Lab., McMaster Univ., Hamilton, Ont., Canada ; T. K. Y. Lo ; H. Leung ; J. Litva

A rough surface model based on fractal geometry is presented for the study of surface scattering. In particular, the Pierson-Moskowitz spectrum is incorporated into this model to represent a fully developed sea surface. The Kirchoff approximation is used to evaluate the scattered field from this rough surface. Some interconnection are found between the surface model developed and the statistical characteristics of the scattered field. These include: 1) the relationship between the surface correlation length and the surface fractal dimension; 2) the relationship between the shape parameter of the K-distribution and the surface fractal dimension; 3) the mean value of the scattered amplitude as a function of the surface fractal dimension; and 4) the effect of the incident angle on the scattered field

Published in:

IEEE Transactions on Geoscience and Remote Sensing  (Volume:34 ,  Issue: 4 )