Methods for Processing, Analysis and Representation of Geophysical Data

The course unit aims to introduce acquisition methods and data processing procedures for the survey and/or monitoring of movements and/or deformations of Earth's ground. In the first part of the course unit, after recalling basic notions about observation processing, the principles of SAR (Synthetic Aperture Radar) sensors are introduced. Attention will be focused on theoretical and technical aspects of the interferometric SAR method (InSAR) and, in particular, on the error sources, which are fundamental for the successive phase of data analysis. In the second part of the course unit, practical exercise are foreseen, with the acquisition and processing of interferometric SAR images, to give an overview of the InSAR method to measure displacements from SAR satellite images.

At the end of the course unit, the student will be able to:
1) Use basic commands of the Unix O.S. in a command window (bash shell);
2) Use app to process SAR images;
3) Collect, describe and use data to support interferometric processing (orbitals, DEM);
4) Produce and read the products of differential interferometric processing: interferograms and coherence images;
5) Read and analyze intermediate results of an interferometric processing chain;
6) Represent the results of interferometric data analysis with GIS.