Wiley signals and systems e book TLFe BO 508

493 A u m d i x A Soluhions t o the Exercises Solution 9.11 77r[6(W "X(J(W - CS(W - W T ) ] : * / X ( J W ) i 27rnzd(u))] Y ( p ) = -[, 27r = tW T ) +WT)) -X ( ] ( W -WT))] + - 77r?7t[fi(W f u r )- n ( W -WT)] Solution 9.12 a) from sec 9.2.2 c ( t ) 0- 1)uaiity: rii(f) - o - + It b) fxoiri sec 9.3: c(t)e-'" Ihiality - o Jt+ U t o- 2m(-~)r~"~ -2TJ E( +)paw - ]CC c) from sec 9.4.4: - o1 Solution 9.13 is! - (Y, To calcrilate thc integral, the rules for t3erimtcd clclta iinpiilsrs (8.23) arc used