?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F369%2F&rft.title=Dealing+with+Aspect-Limited+Data+Through+an+Innovative+Microwave+Imaging+Multi-Source+Technique%3A+Potentialities+and+Limitations&rft.creator=Franceschini%2C+Davide&rft.creator=Benedetti%2C+Manuel&rft.creator=Donelli%2C+Massimo&rft.creator=Rocca%2C+Paolo&rft.creator=Massa%2C+Andrea&rft.subject=TU+Technical+Reports+and+Publications&rft.description=In+this+contribution%2C+an+innovative+methodology+aimed+at+increasing+the+amount+of+scattering+data+(avoiding+further+a-%5Dpriori+assumptions+on+the+investigation+domain)+is+analyzed.+According+to+the+multi-source+(MS)+approach%2C+the+investigation+domain+is+illuminated+by+means+of+different+probing+sources%2C+each+of+them+characterized+by+a+proper+(and+different)+radiation+pattern%2C+to+induce+different+scattering+interactions+able+to+%22show%22+different+%22aspects%22+of+the+scatterer+under+test.+Integrated+with+a+multi-view+strategy+and+recurring+to+the+iterative+multi-scaling+procedure+%5BDonelli+et+al.%2C+2006%5D%2C+the+exploitation+of+the+%22source+diversity%22+(through+the+definition+of+a+suitable+multi-source%2Fmulti-view+cost+function)+enlarges+in+a+non-negligible+fashion+the+number+of+retrievable+unknowns+by+enhancing+the+robustness+of+the+imaging+process+with+respect+to+the+noise+and+the+stability+of+the+inversion+procedure+as+well+as+the+reconstruction+accuracy.+Moreover%2C+the+reduction+of+the+ratio+between+dimension+of+the+space+of+the+unknowns+and+that+of+data+implies+a+decreased+sensitivity+to+false+solutions+%5BIsernia+et+al.%2C+2001%5D+leading+to+a+more+tractable+optimization+problem.+A+large+number+of+numerical+simulations+confirm+the+effectiveness+of+the+inversion+strategy+as+well+as+its+robustness+with+respect+to+noise+on+data.+Moreover%2C+the+results+of+a+comparative+study+with+single-source+methodologies+further+point+out+the+advantages+and+potentialities+of+the+approach+when+dealing+with+aspect-limited+data+acquisition+setups.&rft.date=2011-01&rft.type=Technical+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F369%2F1%2FDISI-11-237.C128.pdf&rft.identifier=++Franceschini%2C+Davide+and+Benedetti%2C+Manuel+and+Donelli%2C+Massimo+and+Rocca%2C+Paolo+and+Massa%2C+Andrea++(2011)+Dealing+with+Aspect-Limited+Data+Through+an+Innovative+Microwave+Imaging+Multi-Source+Technique%3A+Potentialities+and+Limitations.++%5BTechnical+Report%5D+++++