Practice Fourier Transform of Exponential Decay - 11.7.2 | 11. Fourier Transform and Properties | Mathematics (Civil Engineering -1)
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Practice Questions

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Question 1

Easy

What is the Fourier Transform of f(t) = e^{-2t}u(t)?

💡 Hint: Use the transformation formula and evaluate the integral.

Question 2

Easy

Define the unit step function.

💡 Hint: Think about the switching behavior of the function.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the general form of the Fourier Transform?

  • ∫ f(t)e^{-iωt} dt
  • ∫ e^{at} dt
  • f(t) + g(t)

💡 Hint: Recall the formula we discussed during the lecture.

Question 2

True or False: The Fourier Transform of e^{-at}u(t) results in a complex function.

  • True
  • False

💡 Hint: Think about how imaginary units appear in the transformation.

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Challenge Problems

Push your limits with challenges.

Question 1

Given the function f(t) = e^{-2t}u(t), derive the Fourier Transform and explain how it can be used in practical applications such as signal processing.

💡 Hint: Use the steps of integration and pay attention to how limits affect your result.

Question 2

Explore the implications of changing 'a' in the function f(t) = e^{-at}u(t) on the resultant Fourier Transform. Discuss at least two scenarios.

💡 Hint: Consider values of 'a' such as 1, 2, and how it affects the transform's output.

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