Electrical Engineering > GATE 2020 > Linear Time-Invariant Systems
Suppose for input x(t) a linear time-invariant system with impulse response h(t) produces output y(t) so that x(t) * h(t) = y(t).
Further, if |x(t)| * |h(t)| = z(t), which of the following statements is true?
A
For all t ∈ (-∞, ∞), z(t) ≤ y(t)
B
For some but not all t ∈ (-∞, ∞), z(t) ≤ y(t)
C
For all t ∈ (-∞, ∞), z(t) ≥ y(t)
D
For some but not all t ∈ (-∞, ∞), z(t) ≥ y(t)

Correct : c

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linear time invariant system impulse response system analysis electrical engineering gate signal processing z(t) inequality y(t) inequality z(t) relation to y(t)

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