| 航天飞机成像雷达海面风矢量观测研究——以1994年4月南中国海试验区为例 |
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| 引用本文： | 王超,潘广东.航天飞机成像雷达海面风矢量观测研究——以1994年4月南中国海试验区为例[J].遥感学报,2000,4(1):51-54. |
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| 作者姓名： | 王超 潘广东 |
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| 作者单位： | 中国科学院,遥感应用研究所,北京,100101 |
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| 基金项目： | 国家“九五”重点科技攻关项目(97-759-04);“国土资源环境与区域经济信息系统及国家空间信息基础设施关键技术研究”项目 |
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| 摘 要： | 海洋雷达后向散射回波主要来自短重力波的Ｂｒａｇｇ散射，这种散射与海面风场信息、边界层涡旋等密切相关。因此，可以从雷达散射截面反演风场信息。对１９９４年４月航天飞机成像雷达（ＳＩＲ－Ｃ／Ｘ－ＳＡＲ）获取的南中国海合成孔径雷达（ＳＡＲ）图像进行了分析研究。利用ＳＩＲ－Ｃ数据，从ＳＡＲ图像谱提取了风向；根据ＣＭＯＤ４模型，从Ｃ波段雷达后向散射系数反演风速；利用双尺度散射模型对反演的风速进行了对比分析。结
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| 关 键 词： | SIR－C／X－SAR 风矢量 散射模型 海面 成像雷达 |
| 收稿时间： | 9/1/1998 12:00:00 AM |
| 修稿时间： | 1998-12-14 |
Research on Wind Vector Observation from SIR-C/X-SAR Data: Case Study of SIR-C/X-SAR Experiment over South China Sea |
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| WANG Chao and PAN Guang dong.Research on Wind Vector Observation from SIR-C/X-SAR Data: Case Study of SIR-C/X-SAR Experiment over South China Sea[J].Journal of Remote Sensing,2000,4(1):51-54. |
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| Authors: | WANG Chao and PAN Guang dong |
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| Institution: | The Institute of Remote Sensing and GIS, Peking University, Beijing 100871, China;The Institute of Remote Sensing and GIS, Peking University, Beijing 100871, China;The Institute of Remote Sensing and GIS, Peking University, Beijing 100871, China;Automation Department, Tsinghua Universigy, Beijing 100084, China;Automation Department, Tsinghua Universigy, Beijing 100084, China;Automation Department, Tsinghua Universigy, Beijing 100084, China |
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| Abstract: | Lots of remote sensing images have been accumulated in the repository without being efficient used, on the other hand, many application projects called for the share of the remote sensing images. This problem can be resolved by the Web publishing of remote sensing images. In this paper, a systematic research on the web publishing of remote sensing image was conducted, according to the characters of Internet and remote sensing image. A publishing architecture and respective technical problems were given and solved, the remote sensing image publishing system was implemented according to it, the integration of it into the WebGIS was also discussed. The whole publishing procedure is implemented in 5 steps: 1, the user submits the request for the remote sensing image of a certain range in the web browser from the client side. 2, the request is sent to the server and the server queries the database to find the images which are covered in the range. 3, a new image is obtained by combining the images being covered. 4, a size suitable image is obtained by extracting from the new image. 5, the resultant image is sent back to the client and displayed to the user in the web browser. In this way, the user can have access to the remote sensing images by most cut down the net work trans portation. |
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| Keywords: | Remote Sensing Image WWW WebGIS Internet |
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