insensitive to both forward and feedback path parameter changes.
B
less sensitive to feedback path parameter changes than to forward path parameter changes.
C
less sensitive to forward-path parameter changes than to feedback path parameter changes.
D
equally sensitive to forward and feedback path parameter changes.
2
GATE EE 1995
MCQ (Single Correct Answer)
The impulse response of an initially relaxed linear system is $${e^{ - 2t}}u\left( t \right).$$ To produce a response of $${te^{ - 2t}}u\left( t \right),$$ the input must be equal to
A
$${2e^{ - 2t}}u\left( t \right)$$
B
$${1 \over 2}{e^{ - 2t}}u\left( t \right)$$
C
$${e^{ - 2t}}u\left( t \right)$$
D
$${e^{ - t}}u\left( t \right)$$
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