Ocean wave spectra from a linear polarimetric SAR
文献类型：期刊论文
| 作者 | He, YJ; Perrie, W; Xie, T; Zou, QP |
| 刊名 | IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
 |
| 出版日期 | 2004-11-01 |
| 卷号 | 42期号:11页码:2623-2631 |
| 关键词 | directional ambiguity linear polarimetric synthetic aperture radar (SAR) ocean wave spectra polarization orientation modulation transform function synthetic aperture radar (SAR) |
| 英文摘要 | Conventional horizontal or vertical polarization synthetic aperture radar (SAR) images seldom perform well in detecting azimuthally traveling ocean waves. However, theoretical analyses suggest that linear-polarimetric backscatter measurements may be more sensitive to these waves and, therefore, that a SAR with linear polarization is expected to give a better measurement of azimuthally traveling ocean waves. We derive the polarization-orientation modulation transform function and tilt modulation transform function of the linear-polarimetric SAR. Through numerical simulations based on these formulations, we examine the effects of radar and ocean wave parameters on linear-polarimetric SAR image spectra. We suggest a method to eliminate the 180degrees directional ambiguity in determining the true wave direction. Our numerical simulations show that the correlation between ocean wave spectra and SAR image spectra is improved for larger radar incidence angles and longer ocean waves. For real aperture radar, we suggest that the polarimetric modulation allows measurement of waves traveling in the azimuth direction. Moreover, as suggested by Schuler et al., this may be the dominant modulation for many SAR aircraft measurements, particularly for moderate sea states. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000225171900026 |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/33016]  |
| 专题 | 海洋研究所_海洋环流与波动重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 2.Fisheries & Oceans Canada, Bedford Inst Oceanog, Dartmouth, NS B2Y 4A2, Canada 3.Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200030, Peoples R China |
| 推荐引用方式 GB/T 7714 | He, YJ,Perrie, W,Xie, T,et al. Ocean wave spectra from a linear polarimetric SAR[J]. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,2004,42(11):2623-2631. |
| APA | He, YJ,Perrie, W,Xie, T,&Zou, QP.(2004).Ocean wave spectra from a linear polarimetric SAR.IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,42(11),2623-2631. |
| MLA | He, YJ,et al."Ocean wave spectra from a linear polarimetric SAR".IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 42.11(2004):2623-2631. |
入库方式： OAI收割
来源：海洋研究所
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