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    Aircraft Acoustic Signal Modeled as Oscillatory Almost-Cyclostationary Process

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    Type
    Conference Paper
    Authors
    Napolitano, Antonio
    KAUST Grant Number
    OSR-2019-CRG8-4057
    Date
    2021-01-24
    Permanent link to this record
    http://hdl.handle.net/10754/667559
    
    Metadata
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    Abstract
    The acoustic almost-cyclostationary signal emitted by a moving aircraft is modeled as an oscillatory almost-cyclostationary process when it is received by a stationary listener. Its autocorrelation function is constituted by the superposition of angle-modulated sinewaves, where the angle modulation is consequence of the time-varying delay due to the relative motion between aircraft and listener. Conditions under which the source almost-cyclostationary signal can be recovered by the received signal by time de-warping are established. Thus, cyclic features of the source signal carrying information on aircraft parameters are estimated by classical cyclic spectral analysis.
    Citation
    Napolitano, A. (2021). Aircraft Acoustic Signal Modeled as Oscillatory Almost-Cyclostationary Process. 2020 28th European Signal Processing Conference (EUSIPCO). doi:10.23919/eusipco47968.2020.9287381
    Sponsors
    This publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No. OSR-2019-CRG8-4057
    Publisher
    IEEE
    Conference/Event name
    28th European Signal Processing Conference, EUSIPCO 2020
    ISBN
    9789082797053
    DOI
    10.23919/eusipco47968.2020.9287381
    Additional Links
    https://ieeexplore.ieee.org/document/9287381/
    ae974a485f413a2113503eed53cd6c53
    10.23919/eusipco47968.2020.9287381
    Scopus Count
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