Discussion
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- Question
To cover all inhabited regions of the Earth, the number of geosynchronous communication satellites required
Options- A. 5
- B. 3
- C. 10
- D. 2
- Correct Answer
- 3
- 1. The traffic-handling capacity of an Earth station on the uplink depends on
Options- A. its EIRP
- B. satellite antenna gain
- C. noise associated with the satellite
- D. all of the above Discuss
- 2. After the death of INSAT-IB, the mainstay of the entire Indian satellite network for some time to come would be
Options- A. INSTELSAT-V
- B. INSAT-ID
- C. INSAT-2
- D. ARABSAT Discuss
- 3. India's first three-axis stabilised geostationary communication satellite is
Options- A. Rohini
- B. Aryabhatta
- C. Apple
- D. Bhaskara Discuss
- 4. The communication satellite INSAT-IB had to take up the job of INSAT-IA because the latter collapsed within __________ months of its launch.
Options- A. 12
- B. 20
- C. 5
- D. 36 Discuss
- 5. In synchronous detection of an AM signal
Options- A. Carrier is completely suppressed
- B. Both side hands are suppressed
- C. Only one side band and part of carrier is suppressed
- D. One side band and full carrier is suppressed Discuss
- 6. A modem is
Options- A. a form of commutator
- B. a device for digitizing speech
- C. a circuit used for suppressing microwave mterference
- D. an electronic circuit which carries out modulation and demodulation of a carrier frequency Discuss
- 7. System satellites orbit the Earth once in
Options- A. 24 hours
- B. 12 hours
- C. 1 hours
- D. 6 hours Discuss
- 8. The maximum signal propagation time of a geosynchronous satellite transmission is about __________ millisecond.
Options- A. 540
- B. 270
- C. 135
- D. 1080 Discuss
- 9. The different access methods which permit many satellite users to operate in parallel through a single transponder without interfering with each other as
Options- A. Frequency Division Multiple Access (FDMA)
- B. Time Division Multiple Access (TDMA)
- C. Code Division Multiple Access (CDMA)
- D. All of the above Discuss
- 10. In envelope detection of an AM waveform
Options- A. One side band and full-ampiitude carrier are needed
- B. Both side bands and full-amplitude carrier are needed
- C. Only two side bands are needed
- D. Upper side band and part of carrier are needed Discuss
Satellite Communication problems
Search Results
Correct Answer: all of the above
Correct Answer: ARABSAT
Correct Answer: Apple
Correct Answer: 5
Correct Answer: Only one side band and part of carrier is suppressed
Correct Answer: an electronic circuit which carries out modulation and demodulation of a carrier frequency
Correct Answer: 24 hours
Correct Answer: 270
Correct Answer: All of the above
Correct Answer: Both side bands and full-amplitude carrier are needed
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