A new focusing technique is proposed for the direction-finding with an acoustic vector sensor when the acoustic vector sensor suffers arbitrarily fluctuating misorientation. The data set collected in the total observation time is partitioned into several sub data sets at different time segments. These sub data sets with different orientations are transformed into new data sets aligned with the reference orientation by the proposed focusing transformation matrix. The conventional direction-finding algorithms can then be adopted to the newly constructed data sets. The efficacy of this approach is demonstrated by simulation results.


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    Title :

    Direction-Finding with a Misoriented Acoustic Vector Sensor


    Contributors:
    Xin Yuan (author)


    Publication date :

    2012-04-01


    Size :

    899293 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English







    SUBMARINE HYDRO ACOUSTIC SUITE NOISE DIRECTION-FINDING SYSTEM

    KARISHNEV NIKOLAJ SERGEEVICH / VOJTOV ALEKSANDR ANATOLEVICH / DYNIN ILYA NAUMOVICH et al. | European Patent Office | 2018

    Free access