NDLI: Two-scale analysis of LGA scattering from a 3-D spilling breaker crest

Content Provider	IEEE Xplore Digital Library
Author	Zhiqin Zhao West, J.C.
Copyright Year	2003
Description	Author affiliation: Oklahoma State Univ., Stillwater, OK, USA (Zhiqin Zhao; West, J.C.)
Abstract	Scattering from the crests of intermediate-scale breaking waves with wavelengths on the order of a meter has been suggested as a significant contributor to sea-surface microwave backscattering at low grazing angle (LGA) illumination. Recently, West and Ja (Radio Sci., vol.37, no.4, p. 7-1-7-12, 2002) used the two-scale scattering model (TSM) to examine the scattering from the 2D measurements of the crest of a low energy spilling breaker wave-tank wave. The roughness was divided into large-scale and small-scale components using a moving average filter, and the deterministic TSM field equations of Guissard and Sobieski were used to find the field directly. These were compared with reference scattering found using a 2D computational EM technique. In this work, a 3D crest profile (rough in 2D) is synthesized from the 2D wave tank measurements. TSM is again applied, and the is field compared with reference scattering found using the multilevel fast multipole algorithm (MLFMA).
Sponsorship	Northrop Grumman, Electron. Syst. Ohio State Univ. Mission Res. Corp. Nat. Sci. Found
Starting Page	388
Ending Page	391
File Size	219599
Page Count	4
File Format	PDF
ISBN	0780378466
DOI	10.1109/APS.2003.1219868
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical scattering Optical surface waves Rough surfaces Surface roughness Lighting MLFMA Sea surface Optical filters Backscatter Energy measurement
Content Type	Text
Resource Type	Article

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