O'Reilly logo

Signals and Systems by Smarajit Ghosh

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

EXERCISES

 

Q1. For each of the following signals

(i) x(t) = e–3t (ii) x(t) = 3 ej5πt and (iii) x(t) = u(t+ 1)

Verify the following:

  1. Causal or non-causal
  2. Even or odd
  3. Periodic or non-periodic
  4. Energy or power signal
  5. Continuous or piecewise continuous
  6. Deterministic or random

[Ans.(i) (a) Non-causal, (b) Neither even nor odd, (c) Non-Periodic, (d) Neither energy nor power, (e) Continuous signal, (f) Deterministic signal (ii) (a) Non-Causal, (b) Neither even nor odd, (c) Periodic, (d) Power signal, (e) Continuous, (f) Deterministic signal. (iii) (a) Non-Causal, (b) Neither even nor odd, (c) Non-Periodic, (d) Power signal, (e) Piecewise continuous signal, (f) Deterministic signal]

Q2. Determine whether the system is (a) Linear, (b) Causal, (c) Dynamic ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required