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Beacon-aided adaptive azimuth-elevation localization of sound-sources aboard a pass-by rail-car using a track-side acoustic microphone planar array

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3 Author(s)
Wu, Y.I. ; Hong Kong Polytech. Univ., Kowloon ; Wong, K.T. ; Siu-Kit Lau

A new adaptive ldquobeamformingrdquo signal-processing algorithm is developed to locate noise-sources aboard a pass-by rail-car, using an immobile track-side microphone-array. The microphone-arraypsilas beamforming is aided by two narrowband acoustic beacons abroad the rail-car aid to track the rail-carpsilas spatial movement and thus to locate the noise-sources with respect to the rail-car. No other auxiliary hardware (e.g., no radar nor video-camera) is needed.

Published in:

Sensing Technology, 2008. ICST 2008. 3rd International Conference on

Date of Conference:

Nov. 30 2008-Dec. 3 2008