干涉雷达高度计定标检验进展
The Research Progress in Calibration/Validation of Interferometric Altimeter
查看参考文献83篇
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文摘
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卫星雷达高度计正从传统星下点的剖面测量向宽刈幅干涉测量发展,利用卫星观测二维的高分辨率、高精度海面高度正在成为可能,国外研究人员提出SWOT(Surface Water and Ocean Topography)干涉雷达高度计计划和我国新一代海洋科学卫星任务等计划有望实现海洋亚中尺度现象的观测。定标检验是评价卫星观测资料精度和质量的必要工作,传统高度计的定标检验均为基于验潮站、GNSS(Global Navigation Satellite System)浮标、有源定标器等方式的单点比对,难以满足干涉高度计的需求。目前国内外研究人员在干涉雷达高度计的定标检验中采用了全新的技术方案,并已利用机载试验和理论模拟开展了验证工作。对近10a干涉雷达高度计定标检验的新技术方法进行介绍和总结,希望对我国的干涉雷达高度计卫星定标计划起到借鉴作用。 |
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其他语种文摘
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The satellite altimeter technology is evolving from the nadir to interferometric wide swath altimetry,which make it possible to monitor the two-dimensional sea surface height and water surface elevation of rivers/lakes with high resolution and accuracy.For oceanographic study,the monitoring of submesosacle signals may be performed in the U.S.—French SWOT(Surface Water and Ocean Topography)and the follow-up Chinese" Guanlan" missions.The calibration/validation(Cal/Val)is one of important components of such satellite missions.Traditional Cal/Val methods for nadir altimeters are mainly based on the tide gauge,GNSS buoy and transponders,and are compared point by point with the satellite data.However,these Cal/Val methods are difficult to satisfy the requirements of SWOT-like missions.Innovated Cal/Val methods have been tested with the air borne sensors,which can fly over the ocean and land water surfaces.This study summarized the research progress in the field of Cal/Val methods for interferometric altimeters,and expected that this work might serve as a reference to future missions. |
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来源
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海洋科学进展
,2020,38(4):549-561 【核心库】
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DOI
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10.3969/j.issn.1671-6647.2020.04.001
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关键词
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SWOT
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定标检验
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干涉高度计
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地址
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1.
自然资源部第一海洋研究所, 山东, 青岛, 266061
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山东科技大学海洋工程技术学院, 山东, 青岛, 266590
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中国科学院海洋研究所, 山东, 青岛, 266071
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山东科技大学测绘科学与技术学院, 山东, 青岛, 266590
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1671-6647 |
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学科
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测绘学 |
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基金
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国家自然科学基金青年科学基金
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中央级公益性科研院所基本科研业务专项基金
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山东省自然科学基金
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自然资源卫星遥感业务支持服务体系项目
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文献收藏号
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CSCD:6852897
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