?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F580%2F&rft.title=Optimal+sub-arraying+of+compromise+planar+arrays+through+an+innovative+ACO-weighted+procedure&rft.creator=Oliveri%2C+Giacomo&rft.creator=Poli%2C+Lorenzo&rft.subject=TU+Technical+Reports+and+Publications&rft.description=In+this+paper%2C+the+synthesis+of+sub-arrayed+monopulse+planar+arrays+providing+an+optimal+sum+pattern+and+best+compromise+difference+patterns+is+addressed+by+means+of+an+innovative+clustering+approach+based+on+the+Ant+Colony+Optimizer.+Exploiting+the+similarity+properties+of+optimal+and+independent+sum+and+difference+excitation+sets%2C+the+problem+is+reformulated+into+a+combinatorial+one+where+the+definition+of+the+sub-array+configuration+is+obtained+through+the+search+of+a+path+within+a+weighted+graph.+Such+a+weighting+strategy+allows+one+to+effectively+sample+the+solution+space+avoiding+bias+towards+sub-optimal+solutions.+The+sub-array+weight+coefficients+are+then+determined+in+an+optimal+way+by+exploiting+the+convexity+of+the+problem+at+hand+by+means+of+a+convex+programming+procedure.+Representative+results+are+reported+to+assess+the+effectiveness+of+the+weighted+global+optimization+and+its+advantages+over+previous+implementations.+(c)+The+Electromagnetics+Academy+-+The+final+version+of+this+article+is+available+at+the+url+of+the+journal+PIER+(Progress+In+Electromagnetics+Research)%3A+http%3A%2F%2Fwww.jpier.org%2FPIER%2Fpier.php%3Fpaper%3D10092008&rft.date=2011-01&rft.type=Technical+Report&rft.type=PeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F580%2F1%2FDISI-11-011-OR17.pdf&rft.identifier=++Oliveri%2C+Giacomo+and+Poli%2C+Lorenzo++(2011)+Optimal+sub-arraying+of+compromise+planar+arrays+through+an+innovative+ACO-weighted+procedure.++%5BTechnical+Report%5D+++++