Fractal Features Of Sea Surface Manifested In Microwave Remote Sensing Signatures

Roman E Glazman

doi:10.1117/12.945832

14 July 1988 Fractal Features Of Sea Surface Manifested In Microwave Remote Sensing Signatures

Roman E Glazman

Proceedings Volume 0927, Wave Propagation and Scattering in Varied Media; (1988) https://doi.org/10.1117/12.945832
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

The wave number spectrum of a well developed sea includes a broad range of wavenumbers (the equilibrium range) where the spectral density is governed by a power law k P. In the approximation of a Causaussian surface, the exponent p is related to the Hausdorff dimension by DH =(8-p)/2 For p < 4, Dh exceeds 2, and the surface is character-ized by an increased number of steep and breaking wavelets and by an increased number of specular points at near vertical incidence. The former results in the so-called spike component in the total return at oblique incidence, whereas the latter leads to an increased backscatter at nadir and near-nadir angles. Theory for both cases is reviewed and implications for satellite scatterorneter and altimeter measurements of surface winds are discussed.

Citation Download Citation

Roman E Glazman "Fractal Features Of Sea Surface Manifested In Microwave Remote Sensing Signatures", Proc. SPIE 0927, Wave Propagation and Scattering in Varied Media, (14 July 1988); https://doi.org/10.1117/12.945832

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KEYWORDS

Fractal analysis

Radar

Wavelets

Wind energy

Scattering

Microwave radiation

Wave propagation

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