railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Signals and Systems Linear Time Invariant Systems Convolution of Signals
The convolution of h(t) and s(t) implies
1
h(t) + s(t)
2
\(\mathop \smallint \limits_{t = - \infty }^{ + \infty } h\left( \tau \right)s\left( {t - \tau } \right)d\tau \)
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h(t).s(t)
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\(\mathop \smallint \limits_{t = - \infty }^{ + \infty } h\left( \tau \right)s\left( t \right)dt\)