| YANG Jungang,ZHANG Jie,MENG Junmin. 2007. Underwater topography detection of Shuangzi Reefs with SAR images acquired in different time. Acta Oceanologica Sinica, (1):48－54 |
| Underwater topography detection of Shuangzi Reefs with SAR images acquired in different time |
| Underwater topography detection of Shuangzi Reefs with SAR images acquired in different time |
| Received:April 17, 2006 Revised:September 03, 2006 |
| DOI： |
| Key words:Shuangzi Reefs underwater topography SAR image topography detection |
| 中文关键词: Shuangzi Reefs underwater topography SAR image topography detection |
| 基金项目: |
| Author Name | Affiliation | E-mail | | YANG Jungang | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Graduate School, Chinese Academy of Sciences, Beijing 100039, China
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | yangjg@fio.org.cn | | ZHANG Jie | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
Key Laboratory of Marine Science and Numerical Modeling of State Oceanic Administration, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | | | MENG Junmin | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | |
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| Abstract: |
| Imaging mechanism of underwater topography by SAR and a underwater topography SAR detection model built on the theory of underwater topography detection with SAR image presented by Yuan Yeli are used to detect the underwater topography of Shuangzi Reefs in the Nansha Islands with three scenes of SAR images acquired in different time.Detection results of three SAR images are compared with the chart topography and the detection errors are analyzed.Underwater topography detection experiments of Shuangzi Reefs show that the detection model is practicable.The detection results indicate that SAR images acquired in different time also can be used to detect the underwater topography, and the detection results are affected by the ocean conditions in the SAR acquiring time. |
| 中文摘要: |
| Imaging mechanism of underwater topography by SAR and a underwater topography SAR detection model built on the theory of underwater topography detection with SAR image presented by Yuan Yeli are used to detect the underwater topography of Shuangzi Reefs in the Nansha Islands with three scenes of SAR images acquired in different time.Detection results of three SAR images are compared with the chart topography and the detection errors are analyzed.Underwater topography detection experiments of Shuangzi Reefs show that the detection model is practicable.The detection results indicate that SAR images acquired in different time also can be used to detect the underwater topography, and the detection results are affected by the ocean conditions in the SAR acquiring time. |
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