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5 cards from this section. Quick, good the night before a test.
Define a continuous-time signal. Provide an example.
Think of how sound waves behave.
What is a discrete-time signal? Give a simple example.
Consider digital music files.
What type of signal is defined only at specific time intervals?
This type is essential for digital systems.
True or False: A deterministic signal is unpredictable.
Think about whether you can predict its behavior.
Given a continuous-time signal described by the function x(t) = sin(2πft), explain if it's deterministic or random. Justify your reasoning.
Look for mathematical definitions.
Create a visual representation (graph) of a periodic and aperiodic signal. Describe the key differences based on your graph.
Use graph plotting tools or software.
6 more questions in this section. Enroll free to practise them all.
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