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Home ‣ Electronics and Communication Engineering ‣ Satellite Communication Comments
  • Question

  • A geostationary satellite is one which


  • Options
  • A. hangs motionless in space about 36000 km about Earth
  • B. travels around the Earth in 24 hours
  • C. remains stationary above the Earth
  • D. appears stationary to everybody on Earth

  • Correct Answer
  • appears stationary to everybody on Earth 

    • Satellite Communication problems

    Search Results

    • 1. Rotation of a geosynchronous satellite means its

    • Options
    • A. drift from stationary position
    • B. wobbling
    • C. three-axis stabilization
    • D. three-dimensional stabilization
      • Discuss
    • 2. Of the four INSAT-I satellites planned by India so for, only __________ has proved to be successful.

    • Options
    • A. INSAT-IA
    • B. INSAT-IB
    • C. INSAT-IC
    • D. INSAT-ID
      • Discuss
    • 3. Which one of the following statements regarding compandor is FALSE?

    • Options
    • A. It compresses the higher-amplitude parts of a signal before modulation and expands them back to normal again after demodulation.
    • B. It gives preferential treatment to the weaker parts of the signal
    • C. For weaker signals it gives a poor ratio of signal strength to quantizing error
    • D. Weaker signals, traverse more quantum steps than they would do otherwise and so quantizing error is reduced.
      • Discuss
    • 4. The first geostationary satellite launched in 1965 was called

    • Options
    • A. ANIK
    • B. EARLY BIRD (Intelsat-I)
    • C. WESTAR
    • D. MOLNIYA
      • Discuss
    • 5. The Sun blots out the transmission of a geosynchronous satellite twice a year when satellite passes directly in front of it. This outage lasts for about

    • Options
    • A. 10 minutes on 5 consecutive days
    • B. 5 minutes on 10 consecutive days
    • C. 30 minutes for 5 consecutive days
    • D. one hour for 5 consecutive days
      • Discuss
    • 6. India's first domestic geostationary satellite 1NSAT-IA was launched on 10th April 1982 from

    • Options
    • A. USSR
    • B. USA
    • C. UK
    • D. UP
      • Discuss
    • 7. Radio broadcasting is a familiar example of

    • Options
    • A. space multiplexing
    • B. time multiplexing
    • C. frequency multiplexing
    • D. none of the above
      • Discuss
    • 8. The present total cost per watt of power generation in geosynchronous orbit is nearly Rs.

    • Options
    • A. 20
    • B. 50
    • C. 100
    • D. 5
      • Discuss
    • 9. A function having frequency f is to be sampled. The sampling time T should be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. Two function g1(t) and g2(t) with correlation of 6 has average power of 4 and 5 respectively. The power of g1(t) + g2(t) is

    • Options
    • A. 9
    • B. 21
    • C. 3
    • D. 15
      • Discuss

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