Operational Process Interferometric for the Generation of a Digital Model of Ground Applied to the Couple of Images ERS-1 ERS-2 to the Area of Algiers

Computer Science

Scientific paper

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Scientific paper

Abstract

The data used is a couple of SLC (Single Look Complexe) images acquired in the Tandem mission of the ERS1 (3 January 1996 ), ERS2 ( 4 January 1996 ) satellites. The area is a part of Algiers. Three basic steps in the interferometric procedure are necessary: the coo-registration using the orbital parameters, the interferometric product and the correction of the interferogram from the flat earth effect and the third step is the phase unwrapping which has been realised using the least square method. In parallel the coherence map has been generated to assess the interferogram quality.

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