06.08.2015 Views

Glava 6 FURIJEOVA TRANSFORMACIJA

Glava 6 FURIJEOVA TRANSFORMACIJA

Glava 6 FURIJEOVA TRANSFORMACIJA

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GLAVAA 6(a)((b)(Slika 6.11 (a) Kosinusoida i (b)njenaa Furijeova trannsformacija.6. .4.5SkaliranjeProširivanje ili sužavanje(jednomriječju skaliranje) signalau jednomdomenudovodido sužavanja odnosnoproširivanjaa signalau drugomdomenu.Akojex ( t ) ↔ X( Ω ) , onda vrijedi:1 Ω x(at) ↔Xaa , a∈ .(6.68)162

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