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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a limitation regarding the length of a signal in FFT?
💡 Hint: Think about how FFT algorithms are optimized.
Question 2
Easy
Why does spectral leakage occur?
💡 Hint: Consider how these signals behave at boundaries.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the computational complexity of the FFT?
- O(N²)
- O(N log N)
- O(N³)
💡 Hint: Think about the efficiency improvements of FFT over DFT.
Question 2
True or False: Spectral leakage can occur in periodic signals.
- True
- False
💡 Hint: Consider the nature of periodic signals.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A dataset consists of 1500 samples. How would you prepare this for an FFT analysis? Discuss your steps and any necessary adjustments.
💡 Hint: What is the nearest power of 2 greater than 1500?
Question 2
Design a case where a signal is sampled below its Nyquist rate. What would be the consequence when performing an FFT?
💡 Hint: Remember the sampling theorem!
Challenge and get performance evaluation