NDLI: Diffractive analysis of backscatter from wave-crest-like objects

Content Provider	IEEE Xplore Digital Library
Author	West, J.C.
Copyright Year	2002
Description	Author affiliation: Sch. of Electr. & Comput. Eng., Oklahoma State Univ., Stillwater, OK, USA (West, J.C.)
Abstract	The backscattering from surface profiles approximating the crests of steep water waves has been modeled using diffraction theory. The diffractive backscattering from rounded-apex wedges is due to diffraction from curvature discontinuities, and can be predicted with apex radii as small as one-third of a wavelength using standard diffraction coefficients provided that heuristic corrections are applied to account for the small radii and finite surface conductivity. The same diffraction theory can also be used to model the backscattering from surfaces that approximate the early formation of a jet on a breaking crest, although accuracy is a bit poorer when the crest-feature radii are one-third wavelength. This confirms that the limitations found in a previous study are due to the limitations of the model itself, and not due to the averaging of surface curvatures that were needed to allow the application of the model.
Sponsorship	IEEE IEEE Geosci. & Remote Sensing Soc. Canadian Remote Sensing Soc. Univ. Waterloo Natural Resources Canada (NRCan) Canadian Space Agency (CSA) Environ. Canada NASA Nat. Oceanic & Atmos. Adm. (NOAA) Office of Naval Res.(ONR) Nat. Space Dev. Agency of Japan (NASDA) Nat. Polar-orbiting Environ. Satellite Syst. (NPOESS)
Starting Page	1269
Ending Page	1271
File Size	294711
Page Count	3
File Format	PDF
ISBN	078037536X
DOI	10.1109/IGARSS.2002.1025910
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-06-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Backscatter Optical surface waves Sea surface Optical diffraction Surface waves Optical reflection Conductivity Electromagnetic diffraction Electromagnetic scattering Physical theory of diffraction
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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