Direct geolocation of radio emitters has traditionally been formulated using short measurement intervals over which delay and Doppler frequency shift are approximated as constant. In this paper, we consider maximum likelihood position estimation using long measurement intervals for which the Doppler is time varying. A series of assumptions and approximations are used to develop an efficient solution involving coherent combining of traditional, complex ambiguity function processing outputs. Simulation results are used to demonstrate potential gains.


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    Title :

    Approximate Maximum Likelihood Radio Emitter Geolocation With Time-Varying Doppler


    Contributors:


    Publication date :

    2019-02-01


    Size :

    1628644 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English