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Beam forming methods in microphone array measurements Theory, practice and limitations (Part II)

Koop, Lars (2006) Beam forming methods in microphone array measurements Theory, practice and limitations (Part II). VKI Experimental Aeroacoustics in collaboration with EWA, 2006-11-13 - 2006-11-17, Brüssel (Belgien).

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Abstract

The delay-and-sum beamformer as a standard algorithm in microphone array analysis is described in this lecture. The algorithm is described for time-domain and for frequency-domain calculations. The dependency of the microphone array performance on the array design is discussed and a design strategy for arrays is proposed. In an extensive chapter the evaluation of closed and open test-section microphone-array measurements using the delay-and-sum beamformer is described. The introduction of advanced deconvolution algorithms to enhance microphone array results concludes the lecture.

Document Type:Conference or Workshop Item (Speech)
Title:Beam forming methods in microphone array measurements Theory, practice and limitations (Part II)
Authors:
AuthorsInstitution or Email of Authors
Koop, LarsUNSPECIFIED
Date:2006
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmail
VKI, UNSPECIFIED
Series Name:VKI Lecture Series
Status:Published
Keywords:Microphone array, delay-and-sum beamformer, array performance, open test-section, closed test-section, deconvolution, DAMAS, noise maps, frequency-domain analysis
Event Title:VKI Experimental Aeroacoustics in collaboration with EWA
Event Location:Brüssel (Belgien)
Event Type:international Conference
Event Dates:2006-11-13 - 2006-11-17
Organizer:VKI
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Ilka Micknaus
Deposited On:30 Nov 2006
Last Modified:27 Apr 2009 13:14

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