Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does DFT stand for?
💡 Hint: Focus on the process of transforming discrete signals.
Question 2
Easy
True or False: The Fast Fourier Transform (FFT) is slower than DFT.
💡 Hint: Think about the computational efficiency of FFT.
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 does the DFT transform?
- Time-domain samples into frequency-domain
- Frequency-domain into time-domain
- Both
💡 Hint: Consider what signals are transformed through DFT.
Question 2
True or False: Inverse DFT reconstructs the original signal from its frequency representation.
- True
- False
💡 Hint: Think about the cyclical nature of the transformation.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a signal consisting of five samples with values [1,2,3,4,5]. Calculate the DFT using the definition. What are the resulting frequency components?
💡 Hint: Detail each step of the formula for clarity.
Question 2
Discuss the limitations of DFT when applied to non-periodic signals and the importance of windowing.
💡 Hint: Think about the implications of discontinuities in signals.
Challenge and get performance evaluation