Practice Example 4: Discrete-Time Convolution - 13.13 | 13. Convolution Theorem | Mathematics (Civil Engineering -1)
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Practice Questions

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Question 1

Easy

Calculate (f ∗ g)[0] if f[n] = {2, 0} and g[n] = {1, 1}.

💡 Hint: Look at the first elements of both sequences.

Question 2

Easy

What is the value of (f ∗ g)[1] if f[n] = {1, 2} and g[n] = {1, 1}?

💡 Hint: Sum the products of overlapping indices.

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Interactive Quizzes

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Question 1

What is the convolution of f[n] = {1, 2, 1} and g[n] = {1, 1} at n=0?

  • 2
  • 1
  • 3
  • 0

💡 Hint: Check the first elements of both sequences.

Question 2

True or False: The result of (f ∗ g)[0] will always equal f[0]*g[0] in discrete convolution.

  • True
  • False

💡 Hint: Remember the basic definition of convolution at the start.

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Challenge Problems

Push your limits with challenges.

Question 1

Given f[n] = {2, 1} and g[n] = {1, 3}, find (f ∗ g)[n] for all indices.

💡 Hint: Add contributions for each n index.

Question 2

In a digital system, how does the outcome of (f ∗ g)[2] change if g[n] has a delay? Provide a scenario.

💡 Hint: Think about how delays affect signal timing.

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