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首页> 外文期刊>Geoscience and Remote Sensing Letters, IEEE >Sea-State Determination Using GNSS-R Data
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Sea-State Determination Using GNSS-R Data

机译:使用GNSS-R数据确定海况

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摘要

Global Navigation Satellite Systems (GNSS) signals can be used to infer geophysical data related to the surface where they scatter. When dealing with the sea surface, its state influences the GNSS scattered signals and, therefore, the GNSS reflectometry (GNSS-R) observables. The aim of the Advanced L-band Emissivity and Reflectivity Observations of the Sea Surface 2008 field experiment was to gather experimental data to study the relationship of the GNSS-R delay-Doppler maps (DDMs) and the sea state. This work describes the field campaign and the main results obtained, where among them is the use of the DDM volume as a roughness descriptor weakly affected by the GPS satellite geometry.
机译:全球导航卫星系统(GNSS)信号可用于推断与其散射的地表有关的地球物理数据。在处理海面时,其状态会影响GNSS散射信号,因此会影响GNSS反射法(GNSS-R)的观测值。进行2008年海面高级L波段发射率和反射率观测的目的是收集实验数据,以研究GNSS-R延迟多普勒图(DDM)与海况的关系。这项工作描述了野战活动和获得的主要结果,其中包括使用DDM体积作为受GPS卫星几何形状影响较弱的粗糙度描述符。

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