Realization of a gravity-capillary wave surface using sub-nyquist spectral samples

Kyu Yoshimori, Kohzaburo Ohnaka, Kazuyoshi Itoh, Hiroshi Kawamura, Yoshiki Ichioka

研究成果: Article査読

抄録

A method for numerical realization of a full gravity-capillary wave surface that is specified by a wave-spectral model and a dispersive relationship of the surface wave is developed on the basis of the angular spectral representation of a random water surface. A significant aspect of the method is that it requires a smaller number of spectral samples than that required by the Whitteker-Shannon sampling theorem for the complete generation of a full gravity-capillary wave surface, without resulting in any appreciable errors in auto-correlation functions for the surface displacement or surface slopes. The method enables the unified treatment of gravity and capillary waves in numerical studies of higher order characteristics of the thermal radiation emitted from, and the light scattered by, the wave surface.

本文言語English
ページ(範囲)610-619
ページ数10
ジャーナルOptical Review
4
5
DOI
出版ステータスPublished - 1997 1 1

ASJC Scopus subject areas

  • 原子分子物理学および光学

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