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 Operations on Signals 20 Flashcards |
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What type of shifting occurs when K > 0 in time shifting? |
Card: 1 / 20 |
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Left shifting |
Card: 2 / 20 |
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Fill in the blank: Amplitude shifting occurs in the ______ domain. |
Card: 3 / 20 |
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Amplitude |
Card: 4 / 20 |
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True or False: Time compression occurs when a signal's time is multiplied by a constant greater than zero. |
Card: 5 / 20 |
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False. Time compression occurs when a signal's time is divided by a constant greater than zero. |
Card: 6 / 20 |
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Riddle: I change the height of a wave, but not its time. What am I? |
Card: 7 / 20 |
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Amplitude scaling |
Card: 8 / 20 |
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What is the result of differentiating a ramp signal? |
Card: 9 / 20 |
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Unit step signal |
Card: 10 / 20 |
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Fill in the blank: When the amplitude of a signal is multiplied by -1, it results in ______ reversal. |
Card: 11 / 20 |
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Amplitude |
Card: 12 / 20 |
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Which of the following statements is true about convolution? A) It is only applicable in the time domain B) It is commutative C) It cannot be used for signals D) It is only applicable in the frequency domain |
Card: 13 / 20 |
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B) It is commutative |
Card: 14 / 20 |
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True or False: Time expansion occurs when the time axis of a signal is multiplied by a constant. |
Card: 15 / 20 |
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True |
Card: 16 / 20 |
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What is the mathematical representation of differentiation of a signal x(t)? |
Card: 17 / 20 |
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Dx(t)/dt |
Card: 18 / 20 |
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Riddle: I take two signals and merge them into one, my domain is time, and my name is known by some. What am I? |
Card: 19 / 20 |
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Convolution |
Card: 20 / 20 |
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