4.7 Article

Acoustic UAV detection method based on blind source separation framework

Journal

APPLIED ACOUSTICS
Volume 200, Issue -, Pages -

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.apacoust.2022.109057

Keywords

UVA detection; Blind source separation; Independent component analysis; Machine learning

Categories

Funding

  1. National Natural Science Foundation of China [61763018]
  2. 03 Special Project and 5G Program of Science and Technology Department of Jiangxi Province [20193ABC03A058]
  3. Key Foundation of Education Committee of Jiangxi Province [GJJ170493, GJJ190451]
  4. Program of Qingjiang Excellent Young Talents of the Jiangxi University of Science and Technology [202003006]
  5. Cultivation project of the State key Laboratory of Green Development and High-value Utilization of Ionic Rare Earth Resources in Jiangxi Province [20194AFD44003]

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This paper introduces an acoustic UAV detection method based on blind source separation (BSS) framework to solve the UAV sound detection problem with multi-source interference. The experimental results show that the proposed method achieves effective detection of UAVs with high detection rate of over 90% in different tests and demonstrates good robustness.
Many new challenges are encountered in public security because of the rapid development of an unmanned aerial vehicle (UAV) technology. In order to meet these challenges brought by UAV, it is necessary to realize timely and accurate UAV detection. In this paper, an acoustic UAV detection method based on blind source separation (BSS) framework is introduced to solve the UAV sound detection problem with multi-source interference. In the framework proposed in this paper, source number estimation is used to determine the type of BSS problem, and three methods are applied to separate the UAV sound from the mixing signal in different BSS situations. In the experiment, a variety of machine learning algorithms are used to detect UAVs. The robustness of the proposed method is tested on different UAVs and different sound features. Experimental results show that the UAV sound detection method based on the BSS framework realizes the effective detection of UAVs in different tests and achieves excellent robustness. Compared with mixed signal and filtered signal, the detection rate of our scheme is more than 90%, whether in the overdetermined, positive-definite, and underdetermined cases. (C) 2022 Elsevier Ltd. All rights reserved.

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