Express the following sampled signals using a sum of weighted impulses (delta functions). If the weights...
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Express the following sampled signals using a sum of weighted impulses (delta functions). If the weights are complex valued (not purely real), then express the weights in polar form with the angle in degrees. (You can use the "summation" symbol: and specify limits of the summation.) a.) b.) c.) d.) Ja[n] = { fo[n] e.) 1-{ = fe[n] = { fa[n] sin (0.4mm + 17°) 0 sin(0.4mm + 17°) 0 = for n ≤3 otherwise n-1 for 1≤n≤ 4 otherwise n-1 (0.25√/2(1-j)) for n ≥0 0 otherwise for n2-3 otherwise fe[n] = (¹+√³)¹-n for n>2 {(1+4+47) 0 otherwise Express the following sampled signals using a sum of weighted impulses (delta functions). If the weights are complex valued (not purely real), then express the weights in polar form with the angle in degrees. (You can use the "summation" symbol: and specify limits of the summation.) a.) b.) c.) d.) Ja[n] = { fo[n] e.) 1-{ = fe[n] = { fa[n] sin (0.4mm + 17°) 0 sin(0.4mm + 17°) 0 = for n ≤3 otherwise n-1 for 1≤n≤ 4 otherwise n-1 (0.25√/2(1-j)) for n ≥0 0 otherwise for n2-3 otherwise fe[n] = (¹+√³)¹-n for n>2 {(1+4+47) 0 otherwise
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