di=g(s) X0,(+1os=s、G(ia)x + XO d2=G()-22(s-jo) GGo)X S=jo S+O 2j GGo)=GGo)leip p=∠G(ja) G(jo)=G(io)le j9 p=∠G(jo) IGGo=(jo) GGo)eX X y(t) GOne e e NG(o)lke/(ort) j(0+p) yss(t=Ysi(ot 3 0)| G(j ) | | G(-j ) | G(-j ) | G(-j ) | e - G(-j ) G(j ) | G(j ) | e G(j ) 2j G(j )X (s - j ) s X d G(s) 2j G(-j )X (s j ) - s X d G(s) -j j 2 2 2 S j 1 2 2 S -j                       = = =  = =  = + = + = + = = = y (t) Ysin( t ) 2 | G(j ) | 2 | G(j ) | e 2 | G(j ) | e y (t) - s s ( ) ( ) -j j s s              = + − = = + + − + − j e e X e j X e j X j t j t j t j t