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激光站在星载雷达高度计绝对定标中的应用
Alternative TitleApplication of Laser Tracking Technology to Absolute Calibration of Space-borne Radar Altimeters
徐曦煜; 王振占; 许可
Department微波遥感部
Source Publication武汉大学学报. 信息科学版
2017
Volume42Issue:1Pages:103-108
ISSN1671-8860
Language中文
Keyword星载雷达高度计 绝对定标 激光站 误差分析
Abstract推导了一般情况下激光站为星载雷达高度计进行绝对定标的数学模型,并进行了仿真验证和误差分析,对高度计定标精度进行了定量评估。利用Corsica定标场区中Grasse激光站对Jason-2卫星定轨的实测数据进行了分析,取得了满意的结果。
Other AbstractSpace-borne radar altimeters can measure a majority of the global sea surface height within an accuracy of few centimeters, but there are various errors in altimetry measurements, so absolute calibration activities are necessary. Ground laser stationshave rangeaccuracies of better than 1cm, so can be combined with the space-borne laser reflector array (LRA)included in independent calibration. Ageneral model for laser calibration for space-borne altimeter is deduced, one not previously presented in the relevant publications. Afterwards, simulations and error analysis were executed based on the model, and the calibration precision was estimated quantitatively. In particular, the Grasse laser observations (actual laser echoes from the Jason-2 satellite LRA) in the vicinity of the Corsica calibration site were analyzed, the results were promising. Finally, the contributions of the laser station in the calibration site are summarized, and the benefits of simultaneouslyoperating laser station and GNSS buoy configuration are discussed. The constructionand performance assessment of China's forthcoming satellite altimeter calibration site will benefit from the study detailed.
Indexed ByEI ; CSCD
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5808
Collection微波遥感部
Recommended Citation
GB/T 7714
徐曦煜,王振占,许可. 激光站在星载雷达高度计绝对定标中的应用[J]. 武汉大学学报. 信息科学版,2017,42(1):103-108.
APA 徐曦煜,王振占,&许可.(2017).激光站在星载雷达高度计绝对定标中的应用.武汉大学学报. 信息科学版,42(1),103-108.
MLA 徐曦煜,et al."激光站在星载雷达高度计绝对定标中的应用".武汉大学学报. 信息科学版 42.1(2017):103-108.
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2017421103-108.pdf(1112KB)期刊论文作者接受稿开放获取CC BY-NC-SAApplication Full Text
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