?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F319%2F&rft.title=Simultaneous+Optimization+of+Subarray+Weights+and+Sizes+for+Low+Sidelobe+Synthesis+of+Large+Array+Antennas&rft.creator=Rocca%2C+Paolo&rft.creator=Manica%2C+Luca&rft.creator=Benedetti%2C+Manuel&rft.creator=Azaro%2C+Renzo&rft.creator=Massa%2C+Andrea&rft.subject=TU+Technical+Reports+and+Publications&rft.description=Large+array+antennas+of+wide+dimension+are+often+used+in+several+communication+and+radar+systems.+Thanks+to+their+performance+(e.g.%2C+the+patterns+are+electronically+steerable%2C+the+illumination+can+be+controlled+directly+on+the+aperture%2C+etc.)%2C+array+antennas+have+replaced+parabolic+reflectors+in+many+challenging+and+real+applications.+Nevertheless%2C+large+phased+arrays+still+represent+too+expensive+solutions+because+of+the+large+number+of+radiating+elements+and+the+high+circuit+complexity.+For+this+reason%2C+the+subarraying+strategy+has+been+widely+adopted+in+order+to+simplify+the+antenna+design+and+to+achieve+a+better+trafe-off+between+cost+and+performances.+Accordingly%2C+the+elements+on+the+array+aperture+are+grouped+into+clusters+and+a+gain+is+assigned+to+each+of+them.+Since+the+use+of+amplitude+weights+at+the+output+of+the+subarrays+generates+unavoidable+grating+lobes+%5B1%5D%2C+various+strategies+have+been+proposed+to+synthesize+subarrayed+antennas+with+low+sidelobe+levels+(s)+%5B2%5D-%5B4%5D.&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%2F319%2F1%2FDISI-11-204.C161.pdf&rft.identifier=++Rocca%2C+Paolo+and+Manica%2C+Luca+and+Benedetti%2C+Manuel+and+Azaro%2C+Renzo+and+Massa%2C+Andrea++(2011)+Simultaneous+Optimization+of+Subarray+Weights+and+Sizes+for+Low+Sidelobe+Synthesis+of+Large+Array+Antennas.++%5BTechnical+Report%5D+++++