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Alternative TitleA new method for radar altimeter sea state bias estimation based on crossover data and three-dimensional nonparametric model
蒋茂飞; 许可; 刘亚龙; 王磊; 许可(xuke@mirslab.cn)
Source Publication电子与信息学报
Keyword雷达高度计 海况偏差 非参数估计 Llr估计器
Other AbstractThe Sea State Bias (SSB) is an important source of error in satellite altimetry. Operational SSB correction models are based on the altimeter-measured wind speed (U) and Significant Wave Height (SWH). This paper presents a new method to estimate the SSB from the crossover differences using a three-dimensional nonparametric model based on U, SWH, and the Mean Wave Period (MWP). Evaluated by the separate annual data sets from 2009 to 2011, the SSB values estimated with the presented method can decrease the variance of the crossover Sea Surface Height (SSH) differences by 1.64 cm2, or 1.28 cm RMS, and decrease the variance of the Sea Level Anomalies (SLA) by 0.92 cm2, or 0.96 cm RMS in comparison to the SSB values in the Geophysical Data Records (GDR) of Jason-2. It is of great significance for improving the precision of altimeter products. © 2016, Science Press. All right reserved.
Indexed ByEI ; CSCD
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Document Type期刊论文
Corresponding Author许可(xuke@mirslab.cn)
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GB/T 7714
蒋茂飞,许可,刘亚龙,等. 雷达高度计海况偏差估计的基础上的一种新方法crossove[J]. 电子与信息学报,2016,38(11):2731-2738.
APA 蒋茂飞,许可,刘亚龙,王磊,&许可.(2016).雷达高度计海况偏差估计的基础上的一种新方法crossove.电子与信息学报,38(11),2731-2738.
MLA 蒋茂飞,et al."雷达高度计海况偏差估计的基础上的一种新方法crossove".电子与信息学报 38.11(2016):2731-2738.
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