What is it about?
This paper addresses a circular phased array design for near-field aeroacoustic measurements in a closed-test-section wind tunnel.
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Why is it important?
The design of a microphone array affects the performance of beamforming algorithms in the localization and evaluation of acoustic noise sources. In our design approach, microphones were distributed in rings and occupied an equal aperture area - each ring could have a different number of microphones. Microphone shading was also assessed for improving the array performance.
Perspectives
We believe this paper will be useful for researchers working with experimental aeroacoustics.
Mr. Filipe Amaral
Universidade de Sao Paulo Campus de Sao Carlos
Read the Original
This page is a summary of: Design of microphone phased arrays for acoustic beamforming, Journal of the Brazilian Society of Mechanical Sciences and Engineering, June 2018, Springer Science + Business Media,
DOI: 10.1007/s40430-018-1275-5.
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