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- W2125946248 abstract "The relationship between ocean wind vectors and L-band normalized radar cross sections (NRCS) is examined using the Phased-Array L-band Synthetic Aperture Radar (PALSAR). We used PALSAR ScanSAR images with a wide range of incidence angles from 17deg to 43deg. More than 6,000 match-ups, each consisting of the NRCS, incidence angles, wind speeds and wind directions, were collected. The NRCS exhibits a power-law relationship with respect to the wind speed. The coefficients of the power law can be derived as a function of the incidence angles. Based on this relation, the wind speeds are then inversely estimated from the NRCS and the incidence angles. A comparison with the truth winds reveals -0.23 m/s bias and 2.63 m/s rms error, demonstrating the feasibility of L-band scatterometry. Collecting more match-ups and further considering wind- direction dependence, which was not included in this study, would lead to the derivation of a robust L-band model function." @default.
- W2125946248 created "2016-06-24" @default.
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- W2125946248 date "2007-01-01" @default.
- W2125946248 modified "2023-10-17" @default.
- W2125946248 title "Relationship between wind vectors and L-band radar cross sections examined using PALSAR" @default.
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- W2125946248 doi "https://doi.org/10.1109/igarss.2007.4423624" @default.
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