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 Introduction to Digital Signal Processing 20 Flashcards |
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What type of signal is represented as a sequence of numbers defined at discrete times? |
Card: 1 / 20 |
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Discrete-Time signals |
Card: 2 / 20 |
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Fill in the blank: A signal that is unchanged when reflected across the y-axis is called an ______ signal. |
Card: 3 / 20 |
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Even |
Card: 4 / 20 |
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True or False: Analog signals can only take on a finite number of values. |
Card: 5 / 20 |
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False. Analog signals can take on any value within a certain range. |
Card: 6 / 20 |
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Riddle: I can predict my values at any time with certainty, but I can also be shaped like a sine wave. What am I? |
Card: 7 / 20 |
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Deterministic Signal |
Card: 8 / 20 |
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What type of signal has finite energy and typically exists over a specified time interval? |
Card: 9 / 20 |
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Energy Signals |
Card: 10 / 20 |
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Fill in the blank: A signal with both real and imaginary parts is known as a ______ signal. |
Card: 11 / 20 |
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Complex |
Card: 12 / 20 |
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True or False: Power signals can be associated with transient phenomena. |
Card: 13 / 20 |
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False. Power signals are typically associated with periodic types of signals. |
Card: 14 / 20 |
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What is the mathematical expression for a sinusoidal signal? |
Card: 15 / 20 |
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A sin(ωt + φ) |
Card: 16 / 20 |
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Riddle: I disappear when you reverse time and change my amplitude; I am the wave of oddness. What am I? |
Card: 17 / 20 |
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Odd Signal |
Card: 18 / 20 |
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Which signals exhibit randomness or uncertainty in their values? |
Card: 19 / 20 |
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Random Signals |
Card: 20 / 20 |
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