DSP Final Revision Exercise 1
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Questions and Answers

What is the definition of amplification?

  • The process of decreasing the amplitude of a signal
  • The process of converting an analogue signal to a digital signal
  • The process of increasing the amplitude of a signal (correct)
  • The process of modifying the frequency of a signal

    • How would you define filtering?

  • The process of removing unwanted parts of a signal (correct)
  • The process of increasing the amplitude of a signal
  • The process of decreasing the amplitude of a signal
  • The process of modifying the frequency of a signal

    • What does rectification involve?

  • Converting an analogue signal to a digital signal
  • Increasing the frequency of a signal
  • Making a waveform purely negative
  • Making a waveform purely positive (correct)

    • What is the difference between a discrete time signal and a digital signal?

    <p>A discrete time signal is quantized in time only, a digital signal is quantized both in time and amplitude</p> Signup and view all the answers

    What is modulation?

    <p>The process of multiplying a signal by another signal</p> Signup and view all the answers

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