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Satellite Remote Sensing Systems
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Satellite Remote Sensing Systems

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Questions and Answers

What is the primary information represented in a radar image?

  • Thermal properties of the targets
  • Geological properties of the targets
  • Chemical properties of the targets
  • Physical properties of the targets (correct)

    • What is the range sampling frequency in radar operation?

  • Frequency of the backscatter return
  • Pulse repetition frequency (PRF)
  • Frequency of the transmitted signal
  • Analog to digital (A/D) sampling frequency (correct)

    • What is the characteristic of the radar operation in terms of phase?

  • Only the magnitude of the return signal is sampled
  • The phase of the return signal is not sampled
  • Both the magnitude and phase of the return signal are sampled (correct)
  • Only the phase of the return signal is sampled

    • What is the advantage of spaceborne SAR systems compared to airborne SAR systems?

    <p>More uniform illumination geometry</p> Signup and view all the answers

    What is the format of the raw data file in radar imaging?

    <p>Two-dimensional array of complex values</p> Signup and view all the answers

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