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Exam3SolnSP04 - SP “>34 ‘ i “K V!‘ i s I 5 i{I,z...

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Unformatted text preview: SP “>34 ‘ . i “K V!‘ i, , s I, 5, i: {I ,z 12 TV 0 V. A (b \/ i E i .4: N :l H (MOO :: a? iii M w ,‘ 355301. Exam 3 go‘ns 39064 €5,303. {warm ,,,,, '3: Qgg 307071 (a) 931(75) = cos(4t). Plot the magnitude of the DTFT of 3:1[n] = 3:1(nTS) for Ts = 2%. ' 4 (b) 332(15) = £75752. Plot the magnitude of the DTFT of x2[n] = 3:2(nTs) for Ts = %' ; Sin(4t) . - 27r (0) $303) 2 7rt . Plot the magnitude of the DTFT of 553 [n] = 3:3(nTs) for Ts : E' sin(4t) . » 21r (d) 51:4(t) = 7rt . Plot the magnitude of the DTFT of :54[n] = 9:4(nTs) for Ts = —8—. sin(4t) , ' 27? (e) 335 (t) 2 wt . Plot the magnitude of the DTFT of $5 [n] = 3:5(nTs) for T5 = F' sin(4t) 7rt }. Plot the magnitude of the DTFT of x6[n] = 336(nTs) for T3 = %721. (g) 3:7(t) = i {5111(4t) } Plot the magnitude of the DTFT of 3:7[n] = x7(nTS) for T8 = 2575. . 2 (h) ms (t) = {81mm} . Plot the magnitude of the DTFT of 2:8[n] = mom) for Ts = fi—g. 7rt . 2 . (i) .739 (t) 2 {81117530} . Plot magnitude of the DTFT of x9[n] = 239(nTS) for Ts = %T [ . 2 t . (J) 3310(t) = {81:52:} )} . Plot magnitude of the DTFT of $10M] = 2310(nT3) for Ts = 3—1. sm(4t) 2 } . Plot magnitude of" the DTFT of $11M] = m11(nTs) for Ts 2 fig. 7rt . 3 2 t—r/L1 _ sin(4t) ' , _ _02_7‘Tt '1 a (6) $1205) — 772$ cos()6t). Plot magnitude of DTFT of x12[n] -— x12 (nTs) for T3 — 24. 2 4...” _ t8 €622; ' 4 (m) 33130:) 2 {81:2 15)} cos(6t). Plot magnitude of DTFT of x13[n] = $13 (nTs) for Ts = i—g. (n) 3314 (t) = { smft) } {813530 } Plot the magnitude of the DTFT of @412] .= 51:14 (nTs) _ 7r for T5 = 21—785. (0) (1015 (t) = {81352520 } >|< {81116515} }, Where * denotes convolution. Plot the magnitude of 7r the DTFT of x15[n] : 3315(nT3) for Ts = ~21. 8 .\ (a) 2 ,. Tm ...
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