It is noted that high-contrast ratios coupled with square pixel shape can make stair-step distortion easily noticeable (without antialiasing) on a medium-resolution dot-matrix display (64 pixel/in.). Eighteen USAF pilots evaluated two dot-matrix approach/landing formats (with stair-step distortion) while flying approaches in a fixed base simulator. Conventional HSI (horizontal situation indicator) and FLIP chart were used as a performance baseline. No statistically significant differences were found in objective pilot performance and workload data that could be directly attributed to stair-step distortion. Performance differences were found that could be attributed to format information content and display scale factor (pixels per degree). Questionnaire data show that pilots view stair-step distortion as moderately distracting in a few instances, sometimes only marginally distracting, and generally without impact.


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    Titel :

    Flight simulator evaluation of a dot-matrix display for presentation of approach map formats


    Weitere Titelangaben:

    Flugsimulatorauswertung eines Punkt-Matrix-Display zur Darstellung der Anflugskarten


    Beteiligte:
    Uphaus, J.A. jun. (Autor:in) / Reynolds, M.C. (Autor:in) / Groeger, M.E. (Autor:in)


    Erscheinungsdatum :

    1989


    Format / Umfang :

    8 Seiten


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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