نتایج جستجو برای: سنجنده terrasar x
تعداد نتایج: 624872 فیلتر نتایج به سال:
پل دریاچه ارومیه به طول 1300 متر و عرض 30 متر به منظور اتصال دو خاکریز آذربایجان غربی و شرقی در اواخر سال 2009 ساخته شده است. ساخت این پل نقش مهمی در توسعه ی گردشگری، حمل ونقل و بازرگانی منطقه دارد. از آنجا که تغییر شکل نامتقارن خاکریزهای موجود در طرفین پل ممکن است به سلامت پل آسیب برساند، مسأله پایش دقیق خاکریزها در زمان از اهمیت ویژه ای برخوردار است. پوشش وسیع، قدرت تفکیک مکانی (20-1 متر) و ز...
The impact of potential error sources on geocoded products has been investigated with respect to the high resolution capabilities of the TerraSAR-X sensor. Datum shift parameters, maps, digital terrain and surface models have been identified as external error sources. The accuracy of the geocoded products depends heavily on the quality and availability of this information, which underlies regio...
The aim of this study was to develop an inversion approach to estimate surface soil 19 moisture from X-band SAR data over irrigated grassland areas. This approach simulates a 20 coupling scenario between Synthetic Aperture Radar (SAR) and optical images through the 21 Water Cloud Model (WCM). A time series of SAR (TerraSAR-X and COSMO-SkyMed) and 22
TOPSAR is a recently proposed SAR mode for wide swath acquisition, which is intended to replace the conventional ScanSAR mode. TOPSAR will be used by the ESA Sentinel-1 SAR sensor in its main interferometric wide swath mode. TerraSAR-X has demonstrated the TOPSAR mode in space by acquiring and processing TOPSAR images for the first time. The paper reports the results of the image scalloping ana...
The retrieval of the bare soil moisture content from TerraSAR-X data is discussed using empirical approaches. Two cases were evaluated: (1) one image at low or high incidence angle, (2) two images, one at low incidence and one at high incidence. This study shows in using three databases collected between 2008 and 2010 over two study sites in France (Orgeval and Villamblain) that TerraSAR-X is a...
TOPSAR is a recently proposed SAR mode for wide swath acquisition, which is foreseen to be used by the ESA Sentinel-1 SAR sensor in its main interferometric wide swath mode. The Microwaves and Radar Institute of the German Aerospace Center is validating TOPSAR mode in space with TerraSAR-X data within the framework of an ESA commissioned project. Several TOPSAR images have been successfully com...
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