Question

Please make sure answers are correct. write clearly

3.21. Determine the stability and the causality for the LTI systems with the following im- pulse responses:

(a) h(t) eu(t - 1)

%3D eu(1 - 1) (с) h(t)

esin(-5t)u-t) (e) h(t)

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Answer #1

Answer # bind stability and causality - Note # Causality » I four to be causal should be zero Continuoul time LT I system ifhed = elul-1-] = e U[-2] Ther] ao - h(t) zo ; four 420 using Note off is a causal system # holdt = retur Ce-tult) retde = finsince h (t) = ett U-1) = 0; for to Tht zo | trol so ubing Note It is a causal system And a lectu cr-t at = (et det I had at -using Note It is a causal system 00 Thetat a et sin (-54) U ( t) det hat = retsin (-56) 2+ 200 . so that she do < a wing Note

answered by: ANURANJAN SARSAM
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