A review of acoustic imaging methods using phased microphone arrays: Part of the “Aircraft Noise Generation and Assessment” Special Issue

R Merino-Martínez, P Sijtsma, M Snellen… - CEAS Aeronautical …, 2019 - Springer
Phased microphone arrays have become a well-established tool for performing
aeroacoustic measurements in wind tunnels (both open-jet and closed-section), flying …

Three‐Dimensional Acoustic Source Mapping with Different Beamforming Steering Vector Formulations

E Sarradj - Advances in Acoustics and Vibration, 2012 - Wiley Online Library
Acoustic source mapping techniques using acoustic sensor arrays and delay‐and‐sum
beamforming techniques suffer from bad spatial resolution at low‐aperture‐based Helmholtz …

[PDF][PDF] A review of high-performance beamforming methods for acoustic source identification

杨洋, 褚志刚 - Journal of Mechanical Engineering, 2021 - qikan.cmes.org
Beamforming acoustic source identification technology based on microphone array
measurements is widely used in military, industrial, environmental and other fields. For the …

Acoustic imaging with conventional frequency domain beamforming and generalized cross correlation: a comparison study

T Padois, J Fischer, C Doolan, O Doutres - Applied Acoustics, 2021 - Elsevier
Nowadays, acoustic cameras have become a standard tool for visualizing sound sources.
The main post-processing techniques for generating acoustic images are associated with …

[PDF][PDF] 高性能波束形成声源识别方法研究综述

杨洋, 褚志刚 - 机械工程学报, 2021 - researchgate.net
基于传声器阵列测量的波束形成声源识别技术广泛应用于军事, 工业, 环境等领域.
围绕“空间分辨能力增强, 寄生虚假声源抑制, 定位定量精度提升, 鲁棒稳健性能强化 …

On a simple technique to measure the airborne noise in a car interior using substitution source

A Putra, FA Munir, CD Juis - International Journal of Vehicle …, 2012 - inderscienceonline.com
From various methods of measuring noise in a motor vehicle, a technique to separate the
airborne and structure-borne noise is of interest as an important measure to improve the …

Experimental Evaluation of Opportunity to Improve the Resolution of the Acoustic Maps

V Kudriashov - New Approaches in Intelligent Image Analysis …, 2016 - Springer
The work is devoted to the generation of acoustic maps. The experimental work considers
the possibility to increase the resolution of the maps. The work uses two-dimensional …

COGENERATION UNIT NOISE REDUCTION BY ITS CASE.

R STRAMBERSKY, V PAVELKA… - MM Science …, 2021 - search.ebscohost.com
This paper deals with cogeneration unit noise measurement by the acoustic camera. Noise
is not only measured as the final number of sound power levels, but also its original location …

Identification and analysis of the noise sources of an engine settled in a car using array-based techniques

JA Ballesteros, MD Fernandez… - … journal of vehicle …, 2018 - inderscienceonline.com
Engine noise is one of the most important noise sources in a car. This noise is radiated to
both the inside and the outside of the car. In this paper, the accuracy of the array based …

Τεχνικές διαμόρφωσης της δέσμης στην σύγχρονη υπερηχογραφία

Ε Φενέκου - 2021 - polynoe.lib.uniwa.gr
Στην παρούσα διπλωματική εργασία ασχολούμαστε με ένα ραγδαία εξελισσόμενο πεδίο της
υπερηχογραφίας, αυτό της διαμόρφωσης δέσμης, εστιάζοντας στις τεχνικές που …