A novel approach to port noise characterization using an acoustic camera

JA Bocanegra, D Borelli, T Gaggero, E Rizzuto… - Science of The Total …, 2022 - Elsevier
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 …

[HTML][HTML] Combining asynchronous microphone array measurements for enhanced acoustic imaging and volumetric source mapping

LTL Pereira, R Merino-Martínez, D Ragni… - Applied Acoustics, 2021 - Elsevier
This paper explores the advantages of combining asynchronous microphone array
measurements for acoustic source mapping in two and three–dimensional applications …

An improved structural-acoustic coupling model for tire cavity noise

Y Yang, Y Du, R Tong, Y Wei - Noise Control Engineering …, 2018 - ingentaconnect.com
Tire acoustic cavity resonance inside the tire-wheel assembly causes a tonal noise typically
in the range of 190â–“250 Hz, which is an important source of vehicle interior noise. An …

Digitale Zwillinge für das PKW-Vorbeifahrtgeräusch-Komponenten und deren Zusammenwirken

F Knappe, L Eckstein, M Vorländer - 2023 - publications.rwth-aachen.de
In den vergangenen Dekaden haben Automobilhersteller die vibroakustischen
Eigenschaften ihrer Fahrzeuge stetig verbessert. Dieser Prozess ist maßgeblich beeinflusst …

[PDF][PDF] Dereverberation and background noise reduction techniques for improving beamforming maps of engineering noise sources

R Singh, A Mimani - Proceedings of the 9th Berlin Beamforming … - researchgate.net
This paper presents an application of a de-reverberation technique along with a background
noise reduction (BNR) algorithm for improving the beamforming maps used in imaging …

[PDF][PDF] 基于非规则网格的随机稀疏声阵列搭建方法

刘志红, 仪垂杰, 王文明, 李燕超, 王万凯 - 机械工程学报, 2017 - qikan.cmes.org
为解决多源运动声场测量中声阵列的高效生成和搭建依据问题, 提出以非规则网格同轴圆环阵为
基础结构形式, 制定非规则网格的规划方案, 采用均一概率密度分布, 将阵列面等面积分区 …

Influence of various uncertainty factors on the result of beamforming measurements

M Müller-Trapet, P Dietrich… - Noise Control …, 2011 - ingentaconnect.com
In a previous publication by the authors, a virtual measurement environment for sound-
source localization on vibrating structures was presented. Based on surface velocity data …

[PDF][PDF] Development of a low cost system for pass-by noise beamforming measurements

WD Fonseca, SN Gerges - … of the 20th International Congress on …, 2010 - academia.edu
Beamforming is an acoustic imaging technique that can estimate the radiation pattern of
simple or complex sound sources and produce a map of the results. The pass-by noise test …

[PDF][PDF] The building method of random sparse acoustic array based on irregular grids

刘志红, 仪垂杰, 王文明, 李燕超… - Journal of Mechanical …, 2017 - qikan.cmes.org
To solve the problem of efficient generation and structural creation basis of acoustic array
during the measurement of multi-source movement sound field, a coaxial circular array …

[PDF][PDF] NON-SYNCHRONOUS SOUND PRESSURE MEASUREMENTS FOR SOURCE MAP RECONSTRUCTION USING CONVENTIONAL BEAMFORMING

R Singh, A Mimani - researchgate.net
Acoustic beamforming relies on the simultaneous measurement of signals at different
locations using several microphones which are connected to a high-channel count data …