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A discrete time signal is given by $x[n] = \{1, 1, 1, 1, 2\}.$ Sketch the following signals.
written 9.2 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 9.2 years ago

$(a) x [n] \ (b) x[n-2] \ (c) x[n].u[n-1] \ (d) x[3-n] \ (e) x[n-1].δ[n-1]. $

Mumbai University > EXTC > Sem 4 > Signals and Systems

Marks : 10

Year : MAY 2015
signals and systems
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written 9.2 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 9.2 years ago

$$(a) x[n]$$

It is the given signal with values $x[n] = \{1,1,1,1,2\}$

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$$(b) x[n - 2]$$ It is a delayed signal. We will have to shift x[n] to the right by 2 position. ![enter image description here][2] $$(c) x[n].u[n - 1]$$ u[n] is a unit step signal which is delayed …

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