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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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)|
|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 (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|
|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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