Books > Earth & environment > Geography > Cartography, geodesy & geographic information systems (GIS) > Remote sensing
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Radar Remote Sensing of Urban Areas (Paperback, 2010 ed.)
Loot Price: R2,927
Discovery Miles 29 270
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Radar Remote Sensing of Urban Areas (Paperback, 2010 ed.)
Series: Remote Sensing and Digital Image Processing, 15
Expected to ship within 10 - 15 working days
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One of the key milestones of radar remote sensing for civil
applications was the launch of the European Remote Sensing
Satellite 1 (ERS 1) in 1991. The platform carried a variety of
sensors; the Synthetic Aperture Radar (SAR) is widely cons- ered to
be the most important. This active sensing technique provides
all-day and all-weather mapping capability of considerably ?ne
spatial resolution. ERS 1 and its sister system ERS 2 (launch 1995)
were primarily designed for ocean app- cations, but soon the focus
of attention turned to onshore mapping. Examples for typical
applications are land cover classi?cation also in tropical zones
and mo- toring of glaciers or urban growth. In parallel,
international Space Shuttle Missions dedicated to radar remote
sensing were conducted starting already in the 1980s. The most
prominent were the SIR-C/X-SAR mission focussing on the
investigation of multi-frequency and multi-polarization SAR data
and the famous Shuttle Radar Topography Mission (SRTM). Data
acquired during the latter enabled to derive a DEM of almost global
coverage by means of SAR Interferometry. It is indispe-
ableeventodayandformanyregionsthebestelevationmodelavailable.
Differential SAR Interferometry based on time series of imagery of
the ERS satellites and their successor Envisat became an important
and unique technique for surface defor- tion monitoring. The
spatial resolution of those devices is in the order of some tens of
meters.
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