Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002spie.4543....1r&link_type=abstract
Proc. SPIE Vol. 4543, p. 1-12, SAR Image Analysis, Modeling, and Techniques IV, Francesco Posa; Ed.
Astronomy and Astrophysics
Astrophysics
Scientific paper
After the acceptance of two small missions aimed at astrophysics and space communications, the Italian Space Agency is looking forward scheduling a third small mission, devoted to Earth observation. In this ambit a proposal for bistatic synthetic aperture radar (SAR) observations has been founded for a feasibility study. The proposed mission (BISSAT) concept consists in flying a passive SAR on board a small satellite, which observes the area illuminated by an active SAR, operating on an already existing large platform. Several scientific applications of bistatic measurements can be envisaged, such as : evaluation of bistatic radar cross section; improvement of image classification and pattern recognition procedures; acquisition of terrain elevation and slope; acquisition of velocity measurements; interferometric surveys upon completion of the nominal bistatic mission and successful baseline control; stereogrammatic applications. This paper presents these applications within the BISSAT mission, with particular reference to interferometric ones, showing the requirements on mission operation and discussing the expected results and performance.
Moccia Antonio
Rufino Giancarlo
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