Because of the statistical nature nature of many types of clutter, a radar target detector must set a fairly high threshold in order to order to maintain a reasonable false-alarm rate. However, weak targets are usually missed for the above threshold detector. This paper presents an effective detector, which can be considered as a two-dimensional feature matching filter for radar signals. The feature extraction is performed by Hopfield neural networks and the feature integration is finished by a multilayer perceptron. In order to overcome the local optimum problem, a novel modification which is called energy comparing method is introduced into the Hopfield model dynamic equation to find the global optimum. By testing with the real radar return data in a low signal-to-clutter ratio, the detector presented in this paper has more advantages than the conventional threshold detector.<>


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    Titel :

    The neural network method for radar weak target detection


    Beteiligte:
    Hu Wei-Dong (Autor:in) / Yu Wen-Xian (Autor:in) / Guo Gui-Rong (Autor:in)


    Erscheinungsdatum :

    01.01.1994


    Format / Umfang :

    501699 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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