The use of the output of an array of sensors to track multiple independently moving targets is reported. The output of each sensor in the array is the sum of signals received from each of the targets. The results of direction-of-arrival estimation by eigenvalue analysis are extended to derive a recursive procedure based on a matrix quadratic equation. The solution of this matrix quadratic equation is used to provide updated target positions. A linear approximation method for estimating the solution of the matrix equation is presented. The algorithm is demonstrated by the simulated tracking of two targets. The main advantage of the algorithm is that a closed-form solution for updating the target angle estimates has been obtained. Also, its application is straightforward, and the data association problem due to uncertainty in the origin of the measurements is avoided. However, it requires the inversion of an N*N as well as other linear operations, so that the computational burden becomes substantial as N becomes very large.<>


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    Titel :

    Multiple target angle tracking using sensor array outputs


    Beteiligte:
    Sword, C.K. (Autor:in) / Simaan, M. (Autor:in) / Kamen, E.W. (Autor:in)


    Erscheinungsdatum :

    01.03.1990


    Format / Umfang :

    508363 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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