Multiple choice

Let g (t) = p (t) * p (t), where * denotes convolution and p (t) = u (t) − u (t − 1) with u (t) being the unit step function

The impulse response of filter matched to the signal s (t) = g (t) − $\delta$ (t − 2) * g (t) is given as:

  1. s (1 − t)

  2. − s (1 − t)

  3. − s (t)

  4. s (t)

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Explanation