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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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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.
| Item URL in elib: | https://elib.dlr.de/45372/ | ||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||
| Title: | Beam forming methods in microphone array measurements Theory, practice and limitations (Part I) | ||||||||
| Authors: |
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| Date: | 2006 | ||||||||
| Refereed publication: | No | ||||||||
| Open Access: | No | ||||||||
| Gold Open Access: | No | ||||||||
| In SCOPUS: | No | ||||||||
| In ISI Web of Science: | No | ||||||||
| Editors: |
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| 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 Start Date: | 13 November 2006 | ||||||||
| Event End Date: | 17 November 2006 | ||||||||
| Organizer: | VKI | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Aeronautics | ||||||||
| HGF - Program Themes: | Aircraft Research (old) | ||||||||
| DLR - Research area: | Aeronautics | ||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||
| DLR - Research theme (Project): | L - Flight Physics (old) | ||||||||
| Location: | Göttingen | ||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Experimental Methods | ||||||||
| Deposited By: | Micknaus, Ilka | ||||||||
| Deposited On: | 30 Nov 2006 | ||||||||
| Last Modified: | 24 Apr 2024 19:07 |
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