Beam forming methods in microphone array measurements Theory, practice and limitations (Part I)
Koop, Lars (2006) Beam forming methods in microphone array measurements Theory, practice and limitations (Part I). VKI Experimental Aeroacoustics in collaboration with EWA, 2006-11-13 - 2006-11-17, Brüssel (Belgien).
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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 I)|
|In ISI Web of Science:||No|
|Series Name:||VKI Lecture Series|
|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|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L AR - Aircraft Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Flight Physics|
|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 13:13|
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