NDLI: Internal wave parameters retrieval from SAR image: based on EMD filter and parameterized buoyancy frequency

Content Provider	IEEE Xplore Digital Library
Author	Li Fei Chong Jonsong Ouyang Yue
Copyright Year	2007
Description	Author affiliation: Chinese Acad. of Sci., Beijing (Li Fei; Chong Jonsong; Ouyang Yue)
Abstract	Synthetic aperture radar (SAR) is a most useful instrument of internal waves (IWs) observation and study for its high resolution and all-weather remote sensing capability. Generally by combining the IWs hydrodynamic model and SAR image of internal wave mechanism we can retrieve the wavelength, amplitude and phase speed of IWs from SAR image. The mostly used method for this retrieve is the two-layer KdV theory which uses a two density invariable ocean fluid layer to simulate the actually continues stratified ocean fluid profile. This approximation works well for most of the shallow water but sometimes it will cause a significant error especially when the ocean stratification is weak. We propose the retrieve method based on EMD filter and parameterized buoyancy frequency for this condition.
Starting Page	766
Ending Page	769
File Size	153963
Page Count	4
File Format	PDF
ISBN	9781424411870
DOI	10.1109/APSAR.2007.4418723
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-11-05
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea surface Empirical Mode Decomposition Two-layer KdV Theory Oceans Image retrieval SAR Surface topography Filters Surface waves Radar imaging Frequency Parameterized Buoyancy Frequency Synthetic aperture radar Backscatter
Content Type	Text
Resource Type	Article

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