A review of acoustic imaging methods using phased microphone arrays: Part of the “Aircraft Noise Generation and Assessment” Special Issue
Phased microphone arrays have become a well-established tool for performing
aeroacoustic measurements in wind tunnels (both open-jet and closed-section), flying …
aeroacoustic measurements in wind tunnels (both open-jet and closed-section), flying …
Experimental characterization of the turbulent boundary layer over a porous trailing edge for noise abatement
The hydrodynamic and acoustic fields for a NACA 0018 with solid and porous trailing edge
inserts are investigated. The porous inserts, covering 20% of the chord, are manufactured …
inserts are investigated. The porous inserts, covering 20% of the chord, are manufactured …
A novel approach to port noise characterization using an acoustic camera
Acoustic cameras are powerful instruments combining an optical camera with a microphone
array to obtain information about power and location of noise sources. The main aim of this …
array to obtain information about power and location of noise sources. The main aim of this …
Enhanced HR-CLEAN-SC for resolving multiple closely spaced sound sources
S Luesutthiviboon, AMN Malgoezar… - International …, 2019 - journals.sagepub.com
The recently introduced high-resolution (HR)-CLEAN-SC algorithm for acoustic imaging
provides 'super-resolution', ie the ability to discern sound sources located closer than the …
provides 'super-resolution', ie the ability to discern sound sources located closer than the …
[HTML][HTML] Combining asynchronous microphone array measurements for enhanced acoustic imaging and volumetric source map**
This paper explores the advantages of combining asynchronous microphone array
measurements for acoustic source map** in two and three–dimensional applications …
measurements for acoustic source map** in two and three–dimensional applications …
Fast grid-free strength map** of multiple sound sources from microphone array data using a transformer architecture
A Kujawski, E Sarradj - The Journal of the Acoustical Society of …, 2022 - pubs.aip.org
Conventional microphone array methods for the characterization of sound sources that
require a focus-grid are, depending on the grid resolution, either computationally …
require a focus-grid are, depending on the grid resolution, either computationally …
Integration methods for distributed sound sources
Most acoustic imaging methods assume the presence of point sound sources and, hence,
may fail to correctly estimate the sound emissions of distributed sound sources, such as …
may fail to correctly estimate the sound emissions of distributed sound sources, such as …
Gridless covariance matrix fitting methods for three dimensional acoustical source localization
G Chardon - Journal of Sound and Vibration, 2023 - Elsevier
In this article, we consider gridless source localization based on the spatial covariance
matrix of acoustical data collected by an array of microphones. Covariance matrix fitting …
matrix of acoustical data collected by an array of microphones. Covariance matrix fitting …
High-resolution acoustic beamforming based on genetic algorithms
Y **ao, Z Fan, J Chen, J Xu, Y Shui, J Zhou… - Mechanical Systems and …, 2023 - Elsevier
A beamforming technique based on the genetic algorithm is proposed in this paper. This
method reconstructs acoustic sources by exploiting the sparsity. To reduce the …
method reconstructs acoustic sources by exploiting the sparsity. To reduce the …
Assessment of the accuracy of microphone array methods for aeroacoustic measurements
R Merino-Martínez, S Luesutthiviboon… - Journal of Sound and …, 2020 - Elsevier
In this paper, the performance of four acoustic imaging methods: conventional frequency
domain beamforming (CFDBF), functional beamforming (FUNBF), enhanced high resolution …
domain beamforming (CFDBF), functional beamforming (FUNBF), enhanced high resolution …