Question

what is an active and passive satellite system

Answer 1

Active satellite: active satellite contain an processing equipment called transponder. it amplify and retransmit the signal from the earth. and it have many advantages over the passive satellites. it require lower power from earth station.

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Answer 2

Possible communication satellitesmay be active or passive. An active satellite is one which has transmitting equipment aboard, such as a transponder, a device which receives a signal from Earth, amplifies it, and retransmits the same signal back to Earth (either immediately or after a delay).

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