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    Analysis of detection performance of incoherent range walk compensation for passive radar

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    1371445.pdf (819.4Kb)
    Date
    2015
    Author
    Finden, Erlend
    Christiansen, Jonas Myhre
    Lie-Svendsen, Øystein
    Olsen, Karl Erik
    Metadata
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    Abstract
    This paper analyzes the performance of an incoherent range walk compensation method for passive radar systems. The method utilizes the velocity information in the range-Doppler map, and no detection before compensation is demanded. Our contribution is to analyze the performance on data from actual measurements of Digital Video Broadcast-Terrestrial (DVB-T) signals in the UHF band. Detection thresholds for a specified false alarm probability were computed from an Erlangian probability distribution, with moments estimated from the data. Two different targets in two datasets were studied. Extending the integration time from 0.26 s and 0.52 s to 4.2 s caused an increase in the target to threshold ratio of 5-7 dB. The method is limited to targets with little Doppler walk during the integration time. Final conclusions on detection performance cannot be made until more targets have been analyzed.
    URI
    http://hdl.handle.net/20.500.12242/815
    https://ffi-publikasjoner.archive.knowledgearc.net/handle/20.500.12242/815
    DOI
    10.1109/IRS.2015.7226261
    Description
    Finden, Erlend; Christiansen, Jonas Myhre; Lie-Svendsen, Øystein; Olsen, Karl Erik. Analysis of detection performance of incoherent range walk compensation for passive radar. Proceedings International Radar Symposium 2015 s. 30-35
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