BC:2.3 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.) fo[n] = { c.) faln] = { fe[n] = = d.) sin (0.55mm + 17º) 0 sin(0.55mm + 17º) 0 fa[n] = 1- { { (-0.25j/(0.5 -0.5j))¹-1 1+j√3, 0 for n≤5 otherwise n-1 for -3≤ n ≤8 otherwise for n ≥ 0 otherwise for n>-5 otherwise

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 72E
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BC:2.3 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.)
folm] = {
d.)
fa[n]
e.)
=
fe[n]
=
{
fa[n]
sin(0.55mm + 17º)
0
sin(0.55mm + 17º)
0
fe[n] =
n-1
-{ (₁7) ²
0
{
(-0.25j/(0.5 -0.5j))"-1
for n≤5
otherwise
for 3≤n≤ 8
(0.5+√31)1-n
0
otherwise
for n ≥ 0
otherwise
for n > -5
otherwise
for n ≥ 3
otherwise
Transcribed Image Text:BC:2.3 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.) folm] = { d.) fa[n] e.) = fe[n] = { fa[n] sin(0.55mm + 17º) 0 sin(0.55mm + 17º) 0 fe[n] = n-1 -{ (₁7) ² 0 { (-0.25j/(0.5 -0.5j))"-1 for n≤5 otherwise for 3≤n≤ 8 (0.5+√31)1-n 0 otherwise for n ≥ 0 otherwise for n > -5 otherwise for n ≥ 3 otherwise
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