?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fwww.eledia.org%2Fstudents-reports%2F444%2F&rft.title=Antenna+Array+Synthesis+Through+Time+Modulation&rft.creator=Poli%2C+Lorenzo&rft.creator=Rocca%2C+Paolo&rft.creator=Oliveri%2C+Giacomo&rft.creator=Lizzi%2C+Leonardo&rft.creator=Massa%2C+Andrea&rft.subject=TU+Technical+Reports+and+Publications&rft.description=In+the+last+years%2C+there+has+been+a+renewed+interest+towards+the+use+of+time-modulated+arrays+(TMAs)+thanks+to+the+simplicity+in+reconfiguring+the+average+pattern+of+the+antenna+just+modifying+the+on-off+sequence+controlling+a+set+of+radio-frequency+(RF)+switches.+TMAs+have+been+originally+introduced+for+the+generation+of+low+and+ultra-low+sidelobe+patterns+for+radar+arrays+%5B1%5D+thus+avoiding+the+implementation+of+impracticable+excitation+tapering+with+high+dynamic+range+ratios.+However%2C+they+haven%E2%80%99t+received+a+large+diffusion+because+of+the+power+losses+due+to+the+generation+of+harmonic+radiation+at+multiples+of+the+time-modulation+frequency.+As+a+matter+of+fact%2C+the+periodic+modulation+of+the+static+excitations+causes+a+shift+of+the+radiated+power+in+the+sideband+radiation+(SR)+%5B2%5D+with+a+consequent+reduction+of+the+directivity+of+the+pattern+at+the+carrier+frequency.&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%2F444%2F1%2FDISI-11-176.C191.pdf&rft.identifier=++Poli%2C+Lorenzo+and+Rocca%2C+Paolo+and+Oliveri%2C+Giacomo+and+Lizzi%2C+Leonardo+and+Massa%2C+Andrea++(2011)+Antenna+Array+Synthesis+Through+Time+Modulation.++%5BTechnical+Report%5D+++++