Device for localizing acoustic sources and measuring their intensities
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United States of America Patent
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Mar 8, 2011
Grant Date -
Jul 26, 2007
app pub date -
Jan 12, 2007
filing date -
Jan 18, 2006
priority date (Note) -
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Abstract
The invention relates to a device for localizing acoustic sources and measuring their intensity comprising an antenna having at least two sub-antennas, each sub-antenna having at least two branches disposed in a cross or star shape, each branch being equipped with a plurality of microphones, and a system for processing the signals coming from the microphones, the device being designed to establish, for a frequency higher than a given value f.sub.c, an acoustic source hologram, i.e. a distribution of acoustic pressures or intensities at different computation points on a given surface.
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