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Error analysis is carried out to test the variational model of synthetic aperture radar sea surface wind retrieval. On condition that the background error is maximum, the analysis error is lower than the background error, and with the increase of the background wind direction, the analysis error changes periodically; on condition that the background error gradually increase, the analysis error increases gradually and its deviation direction coincides with the background error deviation direction; under the condition of specific background field, the variational model is compared with the direct inversion model: when the background wind speed is low, the variational model error is slightly high, when the background wind speed is high, the variational model error is significantly low. Generally, the variational model wind speed error is less than 1.60 m/s, and the wind direction error is less than 17.15°, which are better than those of the direct inversion model.
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Keywords:
- synthetic aperture radar /
- sea surface wind /
- variational model
[1] Shimada T, Sawada M, Sha W, Kawamura H 2010 Mon. Wea. Rev. 138 3806
[2] Sheng Z, Fang H 2013 Chin. Phys. B 22 029301
[3] Sheng Z 2013 Chin. Phys. B 22 029302
[4] Weissman D E, King D, Thompson T W 1979 J. Appl. Meteorol. 18 1023
[5] Vachon P W, Dobson F W 1996 Global Atmos. Ocean Syst. 5 177
[6] Koch W 2004 IEEE Trans. Geosci. Remote Sens. 42 702
[7] Jiang Z H, Huang S X, Shi H Q, Zhang W, Wang B 2011 Acta Phys. Sin. 60 108402 (in Chinese) [姜祝辉, 黄思训, 石汉青, 张伟, 王彪 2011 60 108402]
[8] Zecchetto S, de Biasio F 2008 IEEE Trans. Geosci. Remote Sens. 46 2983
[9] He Y J, Perrie W, Zou Q P, Vachon P W 2005 IEEE Trans. Geosci. Remote Sens. 43 1453
[10] Portabella M, Stoffelen A, Johannessen J A 2002 J. Geophy. Res. 107 3086
[11] Choisnard J, Laroche S 2008 J. Geophys. Res. 113 C05006
[12] Jiang Z H, Huang S X, He R, Zhou C T 2011 Acta Phys. Sin. 60 068401 (in Chinese) [姜祝辉, 黄思训, 何然, 周晨腾 2011 60 068401]
[13] Hersbach H, Stoffelen A, de Haan S 2007 J. Geophys. Res. 112 C03006
[14] Huang S X, Wu R S 2001 Methods of Mathematical Physics in Atmospheric Science (Beijing: China Meteorological Press) p422 (in Chinese) [黄思训, 伍荣生 2001 大气科学中的数学物理问题 (北京: 气象出版社) 第422页]
[15] Li J, Huang S X 2001 Sci. China D 31 70 (in Chinese) [李俊, 黄思训 2001 中国科学 D辑 31 70]
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[1] Shimada T, Sawada M, Sha W, Kawamura H 2010 Mon. Wea. Rev. 138 3806
[2] Sheng Z, Fang H 2013 Chin. Phys. B 22 029301
[3] Sheng Z 2013 Chin. Phys. B 22 029302
[4] Weissman D E, King D, Thompson T W 1979 J. Appl. Meteorol. 18 1023
[5] Vachon P W, Dobson F W 1996 Global Atmos. Ocean Syst. 5 177
[6] Koch W 2004 IEEE Trans. Geosci. Remote Sens. 42 702
[7] Jiang Z H, Huang S X, Shi H Q, Zhang W, Wang B 2011 Acta Phys. Sin. 60 108402 (in Chinese) [姜祝辉, 黄思训, 石汉青, 张伟, 王彪 2011 60 108402]
[8] Zecchetto S, de Biasio F 2008 IEEE Trans. Geosci. Remote Sens. 46 2983
[9] He Y J, Perrie W, Zou Q P, Vachon P W 2005 IEEE Trans. Geosci. Remote Sens. 43 1453
[10] Portabella M, Stoffelen A, Johannessen J A 2002 J. Geophy. Res. 107 3086
[11] Choisnard J, Laroche S 2008 J. Geophys. Res. 113 C05006
[12] Jiang Z H, Huang S X, He R, Zhou C T 2011 Acta Phys. Sin. 60 068401 (in Chinese) [姜祝辉, 黄思训, 何然, 周晨腾 2011 60 068401]
[13] Hersbach H, Stoffelen A, de Haan S 2007 J. Geophys. Res. 112 C03006
[14] Huang S X, Wu R S 2001 Methods of Mathematical Physics in Atmospheric Science (Beijing: China Meteorological Press) p422 (in Chinese) [黄思训, 伍荣生 2001 大气科学中的数学物理问题 (北京: 气象出版社) 第422页]
[15] Li J, Huang S X 2001 Sci. China D 31 70 (in Chinese) [李俊, 黄思训 2001 中国科学 D辑 31 70]
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