简介:ThisletterdemonstratesthestructureofthepassiveradarusingTVsignals.BecausetheTVsignalisakindofpseudoperiodicsignal,thematchedfilteringofcolorTVsignalswouldyieldhighsidelobeswhichcausetherangeambiguity.Toovercomethisproblem,themismatchedfilterisproposedtosuppressthecorrelationsidelobesofmatchedfilteringofTVsignals.Byutilizingtheiterationprocess,thismethodcouldachievetherequiredpeaksidelobelevel.Theimpactsofthenoiseandtargetmovementonmismatchedfilteringarealsoanalysed.Simulationresultsareincludedtodemonstratetheeffectivenessoftheproposedtechnique.