4. DTFT: (a) c1[n] = (0.5)–"u[-n – 1] %| (b) w2[n] = 2" sin[n]u[=n] (c) x3[n] = (n – 1))"| (d) x4[n] = sin(an/5) cos[n] cOS тn

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Q: 11. Is the signal x(n) = u(n + 4) – u(n – 4) causal? a) YES b) NO

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Q: Vi Ry Ri I, 'Io R2 = 3837.79 Q. R3 = 3989.3 Q. %3! R4 = 2898.06 N. V1 = 4.8 V. V2 = 8.1 V. 11 =…

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Q: Let x[n]={1,2,5,-1} . Generate x[2n] and various interpolated versions of x[n/3] ⇓ ii. Let x[n] =…

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