文章基本信息

标题：Towards the wind direction determination in RADARSAT-2 polarimetrie images
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作者：Francesco De Biasio ; Stefano Zecchetto
期刊名称：European Journal of Remote Sensing
电子版ISSN：2279-7254
出版年度：2012
卷号：45
期号：1
页码：141-151
DOI：10.5721/EuJRS20124514
摘要：The interpretation of SAR images of the sea surface is difficult, due to the complexity of the geophysics and of the interaction mechanisms between electromagnetic and sea waves. The determination of the wind direction is crucial for the evaluation of the wind speed, but its retrieval is still an open issue. One of the few methods able to extract the sea surface wind from SAR data only has been developed and extensively applied to Envisat ASAR images in the past years, using the two-dimensional wavelet transform to detect the backscatter signature related to locally coherent wind cells. A preliminary analysis on the applicability of this method to RADARSAT-2 fully polarimetric images has been conducted to verify if polarimetry may improve the detection of backscatter imprints related to the wind direction.
关键词：SAR ; polarimetry ; sea wind ; RADARSAT-2