Assessment of C-band compact polarimetry SAR for sea ice classification

ZHANG Xi; ZHANG Jie; LIU Meijie; MENG Junmin

doi:10.1007/s13131-016-0856-3

C波段紧缩极化SAR海冰探测能力评估

doi: 10.1007/s13131-016-0856-3

1.
国家海洋局第一海洋研究所, 青岛, 266061
2.
国家海洋局第一海洋研究所, 青岛, 266061;青岛大学物理科学学院, 青岛, 266071

基金项目: The National Science Foundation for Young Scientists of China under contract No. 41306193; the National Special Research Fund for Non-profit Marine Sector under contract No. 201305025-2; the Dragon 3 Cooperation Programme under contract No. 10501 by the Ministry of Science and Technology of the P.R. China and the European Space Agency.

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- 收稿日期: 2015-06-02
- 修回日期: 2015-11-02

Assessment of C-band compact polarimetry SAR for sea ice classification

1.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
2.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;College of Physics, Qingdao University, Qingdao, 266071, China

摘要

摘要: 本文利用中国渤海,北极拉布拉多海,以及南极威德尔海的C波段合成孔径雷达(SAR)数据,分析探讨了CTLR和π/4等紧缩极化模式对海冰全极化信息重构能力。着重分析哪种紧缩极化模式重构的全极化信息精度最高,以及重构的伪全极化SAR数据对海冰检测以及海冰分类的性能影响。根据本文的分析,对于重构极化参数σ_HH⁰,σ_W⁰,H,α推荐使用CTLR紧缩极化模式;对于重估极化参数 σ_HV⁰,ρH-V,λ₁和λ₂推荐使用π/4紧缩极化模式。在研究电磁波与海冰作用效果时,推荐使用π/4模式;而在研究海冰分类时,推荐使用CTLR模式。
- 海冰 /
- 紧缩极化 /
- 海冰分类 /
- 分析与评估
Abstract: The C-band synthetic aperture radar (SAR) data from the Bohai Sea of China, the Labrador Sea in the Arctic and the Weddell Sea in the Antarctic are used to analyze and discuss the sea ice full polarimetric information reconstruction ability under compact polarimetric modes. The type of compact polarimetric mode which has the highest reconstructed accuracy is analyzed, along with the performance impact of the reconstructed pseudo quad-pol SAR data on the sea ice detection and sea ice classification. According to the assessment and analysis, it is recommended to adopt the CTLR mode for reconstructing the polarimetric parameters σ_HH⁰,σ_W⁰,H,and α, while for reconstructing the polarimetric parameters σ_HV⁰,ρH-V,λ₁ and λ₂, it is recommended to use the π/4 mode. Moreover, it is recommended to use the π/4 mode in studying the action effects between the electromagnetic waves and sea ice, but it is recommended to use the CTLR mode for studying the sea ice classification.
- sea ice /
- SAR /
- compact polarimetry /
- sea ice classification

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参考文献(27)

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C波段紧缩极化SAR海冰探测能力评估

doi: 10.1007/s13131-016-0856-3

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Assessment of C-band compact polarimetry SAR for sea ice classification

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