p()=6n(t)=∑(t-n/s p(t)=∑G(t-n7) H=- p()=0 ∑ 6(O o)=2z∑P6(o no n=-00 bEτ nO. 2 S F(O)=F(o)*p()F(0)=F()*p(O) 2丌 2丌 1(012F(o-mD)02r∑s naT F(O-nos) s n--o0 s n=-00 2 88 ( ) = ( ) =  ( − )  n=− T nTs p t  t  t ( ) ( ) s n p t = G t − nT  =−    =− = − n p s n s ()   (  ) ( ) 2 ( )s n n p  =  P  − n  =−       = 2  s  s n n Sa T E P s n T P 1 = ( ) 1 ( ) s n s s F n T F  =   −   =− ( ) 2 ( ) s n s s s F n n Sa T E F        −      =   =− ( )* ( ) 2 1 ( )    Fs  = F p ( )* ( ) 2 1 ( )    Fs  = F p