基于轨道侧声传声器平面阵列的信标辅助自适应轨道车辆声源方位仰角定位

Y. Wu, K.T. Wong, S. Lau
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引用次数: 3

摘要

提出了一种新的自适应ldquoquoforming信号处理算法,利用固定的轨侧麦克风阵列定位过路列车上的噪声源。麦克风阵列波束形成是在轨道车外的两个窄带声信标辅助下进行的,用于跟踪轨道车的空间运动,从而对轨道车的噪声源进行定位。不需要其他辅助硬件(例如,不需要雷达或摄像机)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Beacon-aided adaptive azimuth-elevation localization of sound-sources aboard a pass-by rail-car using a track-side acoustic microphone planar array
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.
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