Signal Graphs and Fundamental Frequency Quiz
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Questions and Answers

What is the fundamental frequency of a signal?

  • The frequency at which all frequency components of a signal are integer multiples of one frequency (correct)
  • The width of the spectrum of a signal
  • The narrow band of frequencies that most of the signal’s energy is contained in
  • The range of frequencies that a signal contains
  • In a graph with the horizontal axis as time, what does the graph display?

  • The intensity of the signal as a function of distance from the source
  • A collection of periodic analog signals at different amplitudes, frequencies, and phases
  • The value of a signal at a given point in space as a function of time (correct)
  • The value of a signal at a given point in time as a function of distance
  • What is the absolute bandwidth of a signal?

  • The narrow band of frequencies that most of the signal’s energy is contained in
  • The width of the spectrum of a signal (correct)
  • The width of the spectrum of a signal (correct)
  • The range of frequencies that a signal contains
  • What does the period of the total signal equal to?

    <p>The period of the fundamental frequency</p> Signup and view all the answers

    What does effective bandwidth (or just bandwidth) refer to?

    <p>The narrow band of frequencies that most of the signal’s energy is contained in</p> Signup and view all the answers

    What does data rate measure in a communication system?

    <p>The rate at which data can be communicated in bits per second</p> Signup and view all the answers

    What is the primary function of bandwidth in a communication system?

    <p>To constrain the bandwidth of the transmitted signal based on the transmitter and transmission medium</p> Signup and view all the answers

    What does error rate indicate in a communication system?

    <p>The rate at which errors occur during the transmission</p> Signup and view all the answers

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