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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of impulse response?
π‘ Hint: Think about the specific output for an impulse input.
Question 2
Easy
For a simple delay y[n] = x[n-1], what is h[n]?
π‘ Hint: It represents a one-sample delay.
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 h[n] represent in a DT-LTI system?
- 1. The impulse input
- 2. The system's output for an impulse input
- 3. The average of past outputs
π‘ Hint: Focus on what h[n] is derived from.
Question 2
True or False: Every DT-LTI system can be completely characterized by its impulse response.
- True
- False
π‘ Hint: Think about system characterization.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a non-causal system described by h[n] = Ξ΄[n+1] + Ξ΄[n]{1}, outline how this system's output would respond to an impulse input.
π‘ Hint: Consider the implications of h[n] being non-zero for n < 0.
Question 2
Design a DT-LTI system characterized by an impulse response that averages its last two inputs. Provide its difference equation.
π‘ Hint: The averaging seems to give importance to both current and past inputs.
Challenge and get performance evaluation