Practice Worked Examples - 14.7 | 14. Parseval’s Theorem | Mathematics (Civil Engineering -1)
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Practice Questions

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Question 1

Easy

Define Parseval's Theorem in your own words.

💡 Hint: Think about energy in both time and frequency domains.

Question 2

Easy

What are the sine coefficients for a square wave function?

💡 Hint: Recall how we derived these coefficients.

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Interactive Quizzes

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Question 1

What is the main concept of Parseval's Theorem?

  • Energy in time domain equal to energy in frequency domain
  • Fourier series only applies to sine functions
  • Sine functions have no energy

💡 Hint: Think about energy conservation principles.

Question 2

True or False: The Fourier coefficients for an odd function will always have non-zero cosine terms.

  • True
  • False

💡 Hint: Consider the symmetry property of odd functions.

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Challenge Problems

Push your limits with challenges.

Question 1

Prove Parseval's theorem for a continuous function defined on a finite interval by demonstrating with a specific function.

💡 Hint: Use a continuous function that is easy to integrate, such as f(x) = x^2.

Question 2

Can you derive the coefficients for a composite signal and evaluate energy accordingly?

💡 Hint: Consider breaking down the signal into simpler sine and cosine components and apply operations.

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