Anti-fading Technologies for Digital Microwave System Quiz
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Questions and Answers

What is the frequency range for microwave transmission discussed in the text?

  • 7425M–7725M (correct)
  • 7275M–7597M
  • 7110M–7750M
  • 7250M–7550M
  • In the context of digital microwave communication, why is it necessary to convert the baseband signal into a carrier signal for microwave transmission?

  • To ensure the signal can travel long distances
  • To prevent signal interference
  • To match the frequency range of the microwave channels (correct)
  • To increase the signal strength
  • Which modulation techniques are commonly used in digital microwave communication according to the text?

  • PSK and QAM (correct)
  • FSK and ASK
  • QAM and ASK
  • PSK and FSK
  • What does ASK stand for in digital microwave communication modulation?

    <p>Amplitude Shift Keying</p> Signup and view all the answers

    What parameter remains unchanged when using FSK in digital microwave communication modulation?

    <p>Amplitude (A)</p> Signup and view all the answers

    What is the T/R spacing for primary stations in the frequency band selection discussed in the text?

    <p>161M</p> Signup and view all the answers

    How is a digital baseband signal represented when converted into a digital frequency band signal?

    <p>$A ext{cos}(W_c t + heta)$</p> Signup and view all the answers

    What is the formula used for PSK modulation in digital microwave communication according to the text?

    <p>$Ae^{j(W_c t + heta)}$</p> Signup and view all the answers

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