?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F730%2F&rft.title=Microwave+Imaging+of+Buried+Targets+through+a+Multi-Zooming+Approach%3A+Reconstruction+Capabilities+for+Different+Object+Conductivities&rft.creator=Salucci%2C+M.&rft.creator=Poli%2C+L.&rft.creator=Massa%2C+A.&rft.subject=A+WC+Next+Generation+Wireless+Communications&rft.subject=M+DSCP+Deterministic+Strategies+for+Combinatorial+Problems&rft.description=In+this+work%2C+the+performance+of+an+innovative+microwave+imaging+methodology+for+buried+object+detection+are+analyzed.+More+precisely%2C+the+developed+inverse+scattering+(IS)+approach+is+based+on+a+Multi-Frequency+(MF)+formulation+of+the+buried+IS+equations+in+order+to+exploit+the+frequency+diversity+coming+from+wideband+ground+penetrating+radar+(GPR)+measurements.+The+arising+MF+cost+function+is+minimized+through+a+customized+deterministic+solver+based+on+a+conjugate+gradient+(CG)+minimizer+nested+within+the+iterative+multi-scaling+approach+(IMSA)+for+achieving+higher+resolutions+in+the+identified+regions+of+interest+(RoIs).+Some+illustrative+numerical+results+are+shown%2C+in+order+to+verify+the+effectiveness+of+the+developed+MF-IMSA-CG+methodology+when+dealing+with+the+retrieval+of+buried+objects+having+different+values+of+electric+conductivity.+For+completeness%2C+as+well+as+for+the+sake+of+comparison%2C+the+reconstructions+yielded+by+a+competitive+state-of-the-art+approach+based+on+a+frequency+hopping+(FH)+processing+of+the+GPR+spectrum+are+also+shown%2C+by+considering+several+noise+conditions.&rft.publisher=University+of+Trento&rft.date=2016&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F730%2F1%2FMicrowave%2520Imaging%2520of%2520Buried%2520Targets%2520through%2520a%2520Multi%25E2%2580%2590Zooming%2520Approach_%2520Reconstruction%2520Capabilities%2520for%2520Different%2520Object%2520Conductivities.pdf&rft.identifier=++Salucci%2C+M.+and+Poli%2C+L.+and+Massa%2C+A.++(2016)+Microwave+Imaging+of+Buried+Targets+through+a+Multi-Zooming+Approach%3A+Reconstruction+Capabilities+for+Different+Object+Conductivities.++Technical+Report.+University+of+Trento.+++++