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TEMPLATE MATCHING IN PASSIVE SONAR RECOGNITION

    Work partially funded under EU SofTools_NetroNet Contract N° G6RT-CT-2001-05061.

    https://doi.org/10.1142/9789812702647_0037Cited by:0 (Source: Crossref)
    Abstract:

    Passive sonar records the sound radiated by a target. A signal corresponding to a vessel is called a frequency track. A single noise source typically produces several frequency tracks, which collectively form a harmonic set. Often, there are several detectable harmonic sets, and so a key problem in passive sonar is to group the frequency tracks into their corresponding harmonic sets. This paper describes a novel method of identifying the different harmonic sets using a combination of data fitting and template matching.