Noise source decomposition system and method using an adaptable aperture phased array

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United States of America Patent

PATENT NO 9213078
APP PUB NO 20150346314A1
SERIAL NO

14292854

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Abstract

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A system and method for determining a characteristic of a noise source. A first array of microphones is mounted on a platform moveable from a starting position to an ending position along a line parallel to a central axis of the noise source. A second array of microphones includes sound sensors mounted in a spaced apart fixed position with respect to the noise source. A processing system processes first information from the first array of microphones and second information from the second array of microphones. The processing system collects and stores the first and second information at each discrete step of the first array, spatially filters the first information, processes and calibrates the filtered first information based on the second information, and further processes the calibrated first information to obtain a characteristic at a selected location. For flyover testing, the first array is instead held in a fixed position.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
THE BOEING COMPANYCHICAGO, IL10303

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brusniak, Leon Lynnwood, US 5 16
Underbrink, James Robert Seattle, US 8 58

Cited Art Landscape

Patent Info (Count) # Cites Year
 
THE BOEING COMPANY (8)
6205224 Circularly symmetric, zero redundancy, planar array having broad frequency range applications 23 1996
6583768 Multi-arm elliptic logarithmic spiral arrays having broadband and off-axis application 8 2002
7671761 Method and system for calculating altitude above runway for an aircraft 3 2007
7929376 Method and apparatus for identifying noise sources 2 2008
2009/0268,555 METHOD AND APPARATUS FOR IDENTIFYING NOISE SOURCES 5 2008
2009/0326,870 SYSTEM AND CHARACTERIZATION OF NOISE SOURCES USING ACOUSTIC PHASED ARRAYS AND TIME SERIES CORRELATIONS 7 2008
8009507 System and method for adaptable aperture planar phased array 1 2009
* 2010/0175,474 SYSTEM AND METHOD FOR ADAPTABLE APERTURE PLANAR PHASED ARRAY 1 2009
 
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION (1)
2006/0256,975 Deconvolution methods and systems for the mapping of acoustic sources from phased microphone arrays 2 2005
 
The United States of America as represented by the Secretary of the Navy (1)
* 7139221 Close range sonar system and method 5 2004
 
WAYNE STATE UNIVERSITY (1)
7330396 Farfield analysis of noise sources 4 2004
* Cited By Examiner

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