The pointing system for optical data transmission over unguided channels uses a return beacon from the receiver back to the transmitter to aid the reciprocal alignment of the two stations. We concentrate on CW or pulsed-beacon acquisition with array detectors in the presence of extended clutter in addition to background and receiver noises. Acquisition in the presence of a single interferer (jammer) is also considered. A maximum likelihood (ML) approach is used when preliminary scene information is available. In the case of unknown scenario, a picture-picture subtraction algorithm is considered for the pulsed laser. Performance is evaluated in terms of probability of an acquisition error for Poisson statistics of the photodetector output.


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    Titel :

    Algorithms for Spatial Laser Beacon Acquisition


    Beteiligte:
    Picchi, G. (Autor:in) / Prati, G. (Autor:in) / Santerini, D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.03.1986


    Format / Umfang :

    1694061 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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