Aeroacoustic Measurements 2002
DOI: 10.1007/978-3-662-05058-3_5
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An Anechoic Facility for Basic Aeroacoustic Research

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Cited by 67 publications
(27 citation statements)
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“…For beamforming microphone arrays, the microphone mismatches can be corrected by the array calibration procedure presented in (Mueller, 2002). This requires an anechoic environment, and source and microphone positions need to be known.…”
Section: Introductionmentioning
confidence: 99%
“…For beamforming microphone arrays, the microphone mismatches can be corrected by the array calibration procedure presented in (Mueller, 2002). This requires an anechoic environment, and source and microphone positions need to be known.…”
Section: Introductionmentioning
confidence: 99%
“…One of the reasons for the success of these measurements has been the development of both microphone directional array (DA) instrumentation and associated robust data processing algorithms applied in the analysis of the acquired data. [1][2][3][4][5][6][7] While the gain in test productivity resulting from the use of DA systems has been significant, several challenges remain to be overcome before fully realizing the potential of this technology. For instance, the next generation of array processing algorithms being developed will potentially require the acquisition of significantly more acoustic information than is presently done, in some cases requiring acquisition of acoustic boundary conditions over the entire sphere of source directivity.…”
Section: Introductionmentioning
confidence: 99%
“…Microfones posicionados na parede de um túnel de vento têm suas membranas expostas ao efeito da camada limite turbulenta. Medições com microfones imersos no escoamento, por sua vez, podem ser afetadas pelo ruído gerado devido a contato do ar com o suporte ou o próprio corpo do microfone (MUELLER, 2002).…”
Section: Tratamento Acústico Do Túnel De Vento Lae-1unclassified
“…A antena, ou array de microfones,é o instrumento de medição através do qual realizamos a amostragem discreta dos sinais de pressão sonora que contêm as informações necessárias para o mapeamento de fontes com técnicas de beam-forming. No entanto, a geometria que determina o posicionamento dos sensoresé um aspecto fundamental no projeto de uma antena para medições aeroacústicas (MUELLER, 2002).…”
Section: Projeto E Geometria Da Antena De Microfonesunclassified
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