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arXiv physics/0310093physics.ao-phphysics.geo-ph
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GNSS-R涡流实验II:从低空飞机上定向海面粗糙度反演的L波段和光学反射测量法

The GNSS-R Eddy Experiment II: L-band and Optical Speculometry for Directional Sea-Roughness Retrieval from Low Altitude Aircraft

O. Germain, G. Ruffini, F. Soulat, M. Caparrini, B. Chapron, P. Silvestrin

摘要:

我们报告的检索方向海粗糙度(全方向均方斜率,包括MSS,方向和各向同性)通过反演全球导航卫星系统反射(GNSS-R)和太阳反射光谱(SORES)在1000米的实验飞行期间收集的数据。重点是利用整个延迟-多普勒图(用于GNSS-R)或全方位角图(用于SORES)来推断这些方向参数。得到的估计进行了分析和比较,贾森-1测量和ECMWF数值天气模式。

英文摘要:

We report on the retrieval of directional sea-roughness (the full directional mean square slope, including MSS, direction and isotropy) through inversion of Global Navigation Satellite System Reflections (GNSS-R) and SOlar REflectance Speculometry (SORES)data collected during an experimental flight at 1000 m. The emphasis is on the utilization of the entire Delay-Doppler Map (for GNSS-R) or Tilt Azimuth Map (for SORES) in order to infer these directional parameters. Obtained estimations are analyzed and compared to Jason-1 measurements and the ECMWF numerical weather model.

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