Periodic acoustic source tracking using propagation delayed measurements
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2021.04.017
Abstract: Abstract There exist a large class of acoustic sources which have an underlying periodic phenomenon. Unlike the well-studied Bearings-Only Tracking (BOT) of an aperiodic acoustic source, this paper considers the problem of tracking a periodic… read more here.
Keywords: propagation; periodic acoustic; time; source tracking ... See more keywords
DAMAS with compression computational grid for acoustic source mapping
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2017.03.027
Abstract: Abstract Nowadays phased microphone arrays have become a standard technique for acoustic source mapping. Compared with the conventional delay-and-sum beamforming method, deconvolution approaches such as DAMAS successfully improve the spatial resolution, however require high computational… read more here.
Keywords: source mapping; acoustic source; computational grid; damas ... See more keywords
Two-Dimensional Total Variation Norm Constrained Deconvolution Beamforming Algorithm for Acoustic Source Identification
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2863052
Abstract: Acoustic source identification algorithms based on planar microphone array are widely used. In this paper, a novel total variation (TV) norm constrained deconvolution algorithm for acoustic source identification is proposed. The paper builds the model… read more here.
Keywords: acoustic source; source; norm constrained; source identification ... See more keywords
Practical Considerations for Acoustic Source Localization in the IoT Era: Platforms, Energy Efficiency, and Performance
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2019.2895742
Abstract: The rapid development of the Internet of Things (IoT) has posed important changes in the way emerging acoustic signal processing applications are conceived. While traditional acoustic processing applications have been developed taking into account high-throughput… read more here.
Keywords: acoustic source; energy efficiency; source localization; energy ... See more keywords
Time difference of arrival-based acoustic source localization and separation technique for sparse arrays
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5036079
Abstract: An acoustic source localization and separation technique intended for sparse arrays is suggested in this paper. Unlike conventional beamforming approaches, the proposed technique is based on time difference of arrival (TDOA) information. This effectively eliminates… read more here.
Keywords: technique; acoustic source; source localization; source ... See more keywords
Development of PZT fiber rosette to locate acoustic source
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Intelligent Material Systems and Structures"
DOI: 10.1177/1045389x21991926
Abstract: Because of their electro-mechanical coupling property, Lead-Zirconate-Titanate (PZT) materials have been widely used for ultrasonic wave sensing and actuation in structural health monitoring applications. In this paper, a PZT rosette concept is proposed to conduct… read more here.
Keywords: pzt fiber; pzt rosette; rosette; pzt ... See more keywords
A novel T-shaped sensor cluster for acoustic source localization
Sign Up to like & getrecommendations! Published in 2021 at "Structural Health Monitoring"
DOI: 10.1177/14759217211004236
Abstract: This study proposes a new sensor cluster configuration for localizing an acoustic source in a plate using uniform linear array beamforming and T-shaped sensor clusters. This technique requires neither the properties of the plate material… read more here.
Keywords: acoustic source; sensor; source; shaped sensor ... See more keywords
Underwater acoustic source localization based on phase-sensitive optical time domain reflectometry.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.422255
Abstract: This paper demonstrates an underwater localization system based on an improved phase-sensitive optical time domain reflectometry (φ-OTDR). To localize the underwater acoustic source, 3D-printed materials with relatively high Poisson's ratio and low elastic modulus are… read more here.
Keywords: phase sensitive; time; underwater acoustic; acoustic source ... See more keywords