Tesi etd-06062016-105352 |
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Tipo di tesi
Tesi di dottorato di ricerca
Autore
CATALDO, DAVIDE
Indirizzo email
davidecataldo@libero.it
URN
etd-06062016-105352
Titolo
Monostatic and Bistatic radar imaging super-resolution
Settore scientifico disciplinare
ING-INF/03
Corso di studi
INGEGNERIA
Relatori
tutor Prof. Martorella, Marco
tutor Prof. Berizzi, Fabrizio
tutor Prof. Berizzi, Fabrizio
Parole chiave
- bistatic
- ISAR
- monostatic
- super-resolution
Data inizio appello
20/06/2016
Consultabilità
Completa
Riassunto
This Thesis discusses the use of super-resolution techniques applied for monostatic and bistatic radar imaging. ISAR and Bistatic ISAR theory is recalled and further considerations about linear and quadratic distortions, in terms of range/Doppler migration, due to the bistatic geometry are discussed. Analytical constraints for range and Doppler migration are defined and validated by means of simulated data. Then, super-resolution is theoretically treated by exploiting the monostatic and bistatic received signal models. Novel methods for super-resolution performance analysis and a novel super-resolution based approach for bistatic distortion mitigation are proposed. Super-resolution techniques are tested and compared on real monostatic and bistatic data. Such a real data consists of a SAR image of a vessel cropped by a SAR product provided by COSMO-SkyMed (monostatic) and an ISAR image of a small aircraft from the data collected during the NATO SET-196 trials from September 29th to October 3rd, 2014 (bistatic).
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