13.6.1 - Fast Fourier Transform (FFT)
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Practice Questions
Test your understanding with targeted questions
What does FFT stand for?
💡 Hint: Recall the full name of the FFT.
In which domain does FFT primarily work?
💡 Hint: Think about what FFT converts signals into.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of FFT in signal processing?
💡 Hint: Think about the definition of FFT.
FFT can only be applied to continuous signals. (True/False)
💡 Hint: Recall how we discussed applying FFT to recorded audio.
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Challenge Problems
Push your limits with advanced challenges
You have a signal composed of two distinct frequencies. How would you use FFT in MATLAB to identify these frequencies? Describe the steps and commands involved.
💡 Hint: Consider the necessary MATLAB commands and the sequence of operations.
If you wanted to filter out a specific frequency using the FFT output, explain your approach in MATLAB.
💡 Hint: Think about how to manipulate the FFT result before transforming back.
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