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- W2009075871 abstract "Phased microphone arrays have become an important tool in the localization of noise sources for aeroacoustic applications. In most practical aerospace cases the conventional beamforming algorithm of the delay-and-sum type has been adopted. Conventional beamforming cannot take advantage of knowledge of the noise field, and thus has poorer resolution in the presence of noise and interference. Adaptive beamforming has been used for more than three decades to address these issues and has already achieved various degrees of success in areas of communication and sonar. In this work an adaptive beamforming algorithm designed specifically for aeroacoustic applications is discussed and applied to practical experimental data. It shows that the adaptive beamforming method could save significant amounts of post-processing time for a deconvolution method. For example, the adaptive beamforming method is able to reduce the DAMAS computation time by at least 60% for the practical case considered in this work. Therefore, adaptive beamforming can be considered as a promising signal processing method for aeroacoustic measurements." @default.
- W2009075871 created "2016-06-24" @default.
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- W2009075871 date "2012-03-01" @default.
- W2009075871 modified "2023-09-25" @default.
- W2009075871 title "Adaptive beamforming for array signal processing in aeroacoustic measurements" @default.
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- W2009075871 doi "https://doi.org/10.1121/1.3682041" @default.
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