logo

CuriousTab

CuriousTab

Discussion

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

  • The 1150 kg geosynchronous satellite INSAT-IA parked 36000 km above India had greatly improved India's


  • Options
  • A. intelligence gathering capacity
  • B. domestic communications
  • C. meteorological capability
  • D. both (b) and (c)

  • Correct Answer
  • both (b) and (c) 

    • Satellite Communication problems

    Search Results

    • 1. The noise temperature of sky is about __________ °K.

    • Options
    • A. 100
    • B. 273
    • C. 0
    • D. 30
      • Discuss
    • 2. The average noise temperature of Earth, as viewed from space, is __________ °K.

    • Options
    • A. 254
    • B. 303
    • C. 100
    • D. 500
      • Discuss
    • 3. In selecting a satellite system, the First determining factor is its

    • Options
    • A. EIRP
    • B. antenna size
    • C. coverage a sea
    • D. antenna gain
      • Discuss
    • 4. Shannon's Law relates

    • Options
    • A. antenna gain to frequency
    • B. noise power to bandwidth
    • C. information-carrying capacity to S/N ratio
    • D. transmission losses to noise
      • Discuss
    • 5. The life time of a geosynchronous communication

    • Options
    • A. 5
    • B. 10
    • C. 20
    • D. 50
      • Discuss
    • 6. For satellite transmission, analog signals may be converted into digital form with the help of

    • Options
    • A. modem
    • B. transponder
    • C. codec
    • D. compandor
      • Discuss
    • 7. The lowest frequency used in satellite communications is __________ GHz.

    • Options
    • A. 0.8
    • B. 3
    • C. 18
    • D. 30
      • Discuss
    • 8. A typical error rate on satellite circuits is one bit error in

    • Options
    • A. 107
    • B. 103
    • C. 102
    • D. 1010
      • Discuss
    • 9. Geosynchronous satellites are always launched in the equatorial plane because it is the only plane which provides

    • Options
    • A. 24-hour orbit
    • B. stationary satellite
    • C. global communication
    • D. zero-gravity environs
      • Discuss
    • 10. A colour television signal having bandwidth of 4.6 MHz is digitised using 10 bits sample. The digital bit rate used for its transmission with PCM would be __________ kilobits/second.

    • Options
    • A. 92000
    • B. 920
    • C. 23000
    • D. 230
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.