The observability requirements for bearings-only target motion analysis (TMA) are rigorously established by solving a third-order nonlinear differential equation. Closed form expressions are developed and subsequently used to specify necessary and sufficient conditions on own-ship motion that insure a uniquetracking solution. It is shown that for certain types of maneuvers the estimation process remains unobservable, even when the associated bearing rate is nonzero. Such maneuvers are frequently overlooked in heuristic discussions of TMA observability, which may account for some common misconceptions regarding the characteristics of acceptable own-ship motion.


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    Title :

    Observability Criteria for Bearings-Only Target Motion Analysis


    Contributors:

    Published in:

    Publication date :

    1981-03-01


    Size :

    1398391 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English