New wireless acoustic array node for localization, beamforming and source separation for bio-complexity bird data collection and study

Shengsheng Cai,Travis C. Collier,Lewis Girod,Juo-Yu Lee,Ralph E. Hudson,Kung Yao,Charles E. Taylor,Ming Bao,Zhi Wang

ChinaSIP（2013）

引用 7|浏览69

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摘要

In this paper, we present simulation and experimental studies of localization and source separation for a bio-complexity bird study based on a new wireless acoustic array node named Voxnet. The Approximate Maximum Likelihood (AML) method is used to estimate blindly the direction-of-arrivals (DOAs) of sources which can be used to both locate the sources using a DOA-based localization method and generate the steering vectors in order to separate the sources via beamforming. Simulation and measured data confirmed the proper operations of the AML-based 2-D/3-D localization and 2-D source separation, as well as the Voxnet hardware nodes. © 2013 IEEE.

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关键词

acoustic arrays,acoustic signal processing,array signal processing,biology computing,blind source separation,direction-of-arrival estimation,maximum likelihood estimation,2D source separation,AML method,AML-based 2D-3D localization,DOA-based localization method,Voxnet hardware nodes,approximate maximum likelihood method,beamforming,biocomplexity bird data collection,direction-of-arrivals estimation,steering vectors,wireless acoustic array node,AML,Localization,Source separation,Voxnet,beamforming,

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