When optical communication over great distances in space becomes feasible, its utility may depend on mutual acquisition or reacquisition of responding stations; various factors can impede process, one of which is problem of distinguishing optical transmitter against starlit background; it is reasoned that this compels use of scanning method and concept of introducing spatial filter to assist acquisition is examined; account is taken of relative velocity of stations (velocity aberration), significant propagation times, and possible false acquisition of bright star; paper shows that spatial filter can be effective potentially; this is illustrated by analysis of imaginary but feasible situation.


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    Title :

    Aids to acquisition in optical communication


    Additional title:

    J Spacecraft Rockets


    Contributors:
    Moss, E.B. (author)

    Published in:

    Publication date :

    1966


    Size :

    5 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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