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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does amplitude scaling do to a signal?
π‘ Hint: Focus on how the signal's height changes.
Question 2
Easy
If you shift a signal x(t) by -3, what does that do?
π‘ Hint: Think about moving the graph left.
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 effect of applying a scaling factor less than 1 on a signal?
- It amplifies the signal
- It attenuates the signal
- It inverts the signal
π‘ Hint: Think of 'lowering' the signal's height.
Question 2
True or False: Time shifting a signal only affects its amplitude.
- True
- False
π‘ Hint: Remember what happens when you move a graph left or right.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a continuous signal x(t) = sin(t), apply a time scaling factor of 3, and describe the outcome.
π‘ Hint: Think about how many cycles occur in a period.
Question 2
Consider two signals: x1(t) = Acos(Οt) and x2(t) = Asin(Οt). Apply amplitude scaling and then add them. What is the new signal?
π‘ Hint: Combining signals can lead to constructs representing waves or more complex shapes.
Challenge and get performance evaluation