講演抄録/キーワード |
講演名 |
2011-10-18 17:35
Probability density distribution of backscattering intensity in SAR image of ocean surface ○Akitsugu Nadai・Toshihiko Umehara・Takeshi Matsuoka・Makoto Satake・Tatsuharu Kobayashi・Shoichiro Kojima・Jyunpei Uemoto・Seiho Uratsuka(NICT) SANE2011-106 |
抄録 |
(和) |
The probability distribution of backscattering intensity in SAR image of ocean surface in the L- and X-band parallel polarizations are analyzed in terms of the non-Gaussianity using the difference from the log-normal distribution and the normalized 2nd moment. Though in the X-band parallel polarizations, the non-Gaussianities represent the incidence angle dependency, in the L-band, the incidence angle dependency is quite weak. In the X-band, the non-Gaussianity also depends on the polarization. In the L-band the difference of non-Gaussianity between the parallel polarizations is small. The non-Gaussianity in the X-band is stronger than that in the L-band. Moreover, the non-Gaussianity is almost independent to the illumination azimuth (relative direction of illumination to the wind direction). The difference of non-Gaussianity suggests the difference of scattering mechanism on ocean surface. |
(英) |
The probability distribution of backscattering intensity in SAR image of ocean surface in the L- and X-band parallel polarizations are analyzed in terms of the non-Gaussianity using the difference from the log-normal distribution and the normalized 2nd moment. Though in the X-band parallel polarizations, the non-Gaussianities represent the incidence angle dependency, in the L-band, the incidence angle dependency is quite weak. In the X-band, the non-Gaussianity also depends on the polarization. In the L-band the difference of non-Gaussianity between the parallel polarizations is small. The non-Gaussianity in the X-band is stronger than that in the L-band. Moreover, the non-Gaussianity is almost independent to the illumination azimuth (relative direction of illumination to the wind direction). The difference of non-Gaussianity suggests the difference of scattering mechanism on ocean surface. |
キーワード |
(和) |
non-Gaussianity / log-normal distribution / non-Gaussian distribution / SAR / ocean surface / / / |
(英) |
non-Gaussianity / log-normal distribution / non-Gaussian distribution / SAR / ocean surface / / / |
文献情報 |
信学技報, vol. 111, no. 239, SANE2011-106, pp. 231-235, 2011年10月. |
資料番号 |
SANE2011-106 |
発行日 |
2011-10-10 (SANE) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します.(許諾番号:10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
PDFダウンロード |
SANE2011-106 |