Conference Proceeding

Advanced techniques and new high resolution SAR sensors for monitoring urban areas

Inst. for Electromagn. Sensing of the Environ., Nat. Reseach Council (CNR), Napoli, Italy
08/2010; DOI:10.1109/IGARSS.2010.5652309 In proceeding of: Geoscience and Remote Sensing Symposium (IGARSS), 2010 IEEE International
Source: IEEE Xplore

ABSTRACT In the last years MultiDimensional (3D and 4D) Synthetic Aperture Radar (SAR) techniques, also known as SAR tomography and differential SAR tomography, are emerging in the field of coherent combination of multibaseline/multitemporal SAR data. With respect to the classical differential interferometric processing, these techniques improve the capability of detection and monitoring of the ground targets. Moreover they were proven to be effective in resolving the signal interference due to the layover effect, that may occur in areas with high density of scatterers located on vertical structures, such as urban areas. Beside the development of these advanced techniques the new generation of sensor, such as TerraSAR-X and COSMO-SKYMED with very high spatial resolution offer new perspectives in the imaging and monitoring of urban areas. In this paper we address the application of the SAR tomography to real spaceborne data. Particularly, we show and discuss the first results of the application of this technique to high resolution TerraSAR-X data.

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Keywords

advanced techniques
 
classical differential interferometric processing
 
coherent combination
 
COSMO-SKYMED
 
detection
 
differential SAR tomography
 
last years MultiDimensional
 
layover effect
 
new generation
 
real spaceborne data
 
resolution TerraSAR-X data
 
SAR tomography
 
scatterers
 
signal interference
 
techniques
 
TerraSAR-X
 
urban areas