Name
Title | ||
|---|---|---|
Dependency of backscattering from ocean surface on wind direction by using airborne SAR - low wind speed case |
Abstract | ||
|---|---|---|
The dependency of backscattering from ocean surface on wind direction under low wind speed (5m/s) is analyzed using observation data by an airborne dual-frequency SAR in the Land X-bands. The NRCS difference between up- and down-wind conditions depends on the incidence angle in the X-band HH polarization, though that in the VV polarization, the NRCS difference is almost zero. Moreover, the NRCS difference between parallel- and cross-wind conditions in the VV polarization is greater than that in the HH polarization. Though the dependency of the NRCS in the L-band on the wind direction is smaller than that in the X-band, the NRCSs in the L-band cross polarizations under the cross-wind condition is greater than that under the parallel-wind condition. The polarization ratio (PR) difference between up- and down-wind directions depends on the incidence angle as the incidence angle dependency in the X-band HH polarization. The dependency of the PR in the L-band on wind direction is also weaker than that in the X-band. The results suggest the possibility of ocean wind measurement using the polarimetric SAR in the X-band and/or using the dual-frequency SAR. |
Year | DOI | Venue |
|---|---|---|
2011 | 10.1109/IGARSS.2011.6049535 | Geoscience and Remote Sensing Symposium |
Keywords | Field | DocType |
ocean waves,remote sensing by radar,synthetic aperture radar,wind,L-band,VV polarization,X-band,X-band HH polarization,airborne dual-frequency SAR,cross-wind condition,down-wind condition,dual-frequency SAR,low wind speed,ocean surface,ocean wind measurement,parallel-wind condition,polarimetric SAR,polarization ratio,up-wind condition,wind direction,normalized radar cross section,ocean winds,polarization ratio,synthetic aperture radar | Meteorology,Wind wave,L band,Wind speed,Synthetic aperture radar,Computer science,Remote sensing,Backscatter,Azimuth,Polarization (waves),Wind direction | Conference |
ISSN | ISBN | Citations |
2153-6996 | 978-1-4577-1003-2 | 0 |
PageRank | References | Authors |
0.34 | 2 | 4 |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Nadai, A. | 1 | 0 | 0.34 |
| Umehara, T. | 2 | 32 | 9.90 |
| Matsuoka, T. | 3 | 36 | 8.60 |
| Satake, M. | 4 | 3 | 1.72 |