railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Signals and Systems Introduction To Signals and Systems Standard Signals
An unit impulse function in continuous form is defined to be
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δ(t) = t
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δ(t) = 1
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\(\delta \left( t \right) = \left\{ {\begin{array}{*{20}{c}} {\infty ,\;\;t = 0}\\ {0,\;\;t \ne 0} \end{array}} \right.\)
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\(\delta \left( t \right) = \left\{ {\begin{array}{*{20}{c}} {0,\;\;t = 0}\\ {1,\;\;t \ne 0} \end{array}} \right.\)