?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F443%2F&rft.title=ADS+Interleaved+Arrays+with+Reconfigurable+Polarization&rft.creator=Oliveri%2C+Giacomo&rft.creator=Lizzi%2C+Leonardo&rft.creator=Massa%2C+Andrea&rft.subject=TU+Technical+Reports+and+Publications&rft.description=Polarization-reconfigurable+arrays+play+a+fundamental+role+in+radar+systems+in+order+to+enhance+their+detection+probability+and+cancel+clutters%2C+chaffs%2C+and+jammers+%5B1%5D.+In+order+to+reach+polarization+flexibility%2C+the+integration+of+actively+controlled+elements+in+standard+array+configurations+is+often+employed+%5B2%5D%2C+but+the+overall+system+complexity+and+costs+significantly+increase+%5B3%5D.+To+overcome+such+limitations%2C+the+use+of+two+shared+aperture+arrays+with+independent+polarizations+was+proposed+in+%5B3%5D+by+exploiting+an+interleaving+scheme+based+on+Difference-Sets+(DSs).+By+combining+the+field+generated+by+each+sub-array%2C+arbitrary+polarizations%2C+low+sidelobes%2C+large+steering+angles%2C+and+narrow+beamwidths+can+be+reached+with+a+limited+complexity+of+the+underlying+feeding+network.+Despite+its+theoretical+and+practical+advantages%2C+only+few+planar+array+geometries+can+be+synthesized+because+of+the+limited+number+of+available+DS+sequences+%5B4%5D.+A+different+set+of+binary+sequences+%5Bcalled+Almost+Difference+Sets+(ADSs)%5D+%5B5%5D%5B6%5D+with+properties+very+similar+to+those+of+DSs+has+been+recently+investigated.+Besides+their+application+in+code+theory+%5B5%5D%2C+ADSs+have+already+shown+their+effectiveness+in+synthesizing+thinned+arrays+with+low+and+predictable+sidelobes+%5B7%5D%5B8%5D.+This+paper+analyzes+the+properties+of+polarization-flexible+planar+arrays+based+on+ADSs.+Numerical+simulations+are+presented+and+discussed+by+focusing+on+the+sidelobe+level+control+and+the+polarization+selectivity+of+the+synthesized+ADS+arrays.&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%2F443%2F1%2FDISI-11-162.C205.pdf&rft.identifier=++Oliveri%2C+Giacomo+and+Lizzi%2C+Leonardo+and+Massa%2C+Andrea++(2011)+ADS+Interleaved+Arrays+with+Reconfigurable+Polarization.++%5BTechnical+Report%5D+++++