Home / ECE / Satellite Communication :: Section 2

ECE :: Satellite Communication

  1. For satellite transmission, analog signals may be converted into digital form with the help of

  2. A.
    modem
    B.
    transponder
    C.
    codec
    D.
    compandor

  3. The maximum signal propagation time of a geosynchronous satellite transmission is about __________ millisecond.

  4. A.
    540
    B.
    270
    C.
    135
    D.
    1080

  5. The life time of a geosynchronous communication

  6. A.
    5
    B.
    10
    C.
    20
    D.
    50

  7. The traffic-handling capacity of an Earth station on the uplink depends on

  8. A.
    its EIRP
    B.
    satellite antenna gain
    C.
    noise associated with the satellite
    D.
    all of the above

  9. System satellites orbit the Earth once in

  10. A.
    24 hours
    B.
    12 hours
    C.
    1 hours
    D.
    6 hours

  11. The lowest frequency used in satellite communications is __________ GHz.

  12. A.
    0.8
    B.
    3
    C.
    18
    D.
    30

  13. Geosynchronous satellites are always launched in the equatorial plane because it is the only plane which provides

  14. A.
    24-hour orbit
    B.
    stationary satellite
    C.
    global communication
    D.
    zero-gravity environs

  15. A few minutes disturbance in space communications occurs twice a year during Sunblinding when __________ are in line.

  16. A.
    Sun and satellite
    B.
    Sun and Earth station
    C.
    Satellite and Earth station
    D.
    Sun, satellite and Earth station