高性能波束形成声源识别方法研究综述

doi:10.3901/JME.2021.24.166

摘要/Abstract

摘要： 基于传声器阵列测量的波束形成声源识别技术广泛应用于军事、工业、环境等领域。围绕“空间分辨能力增强、寄生虚假声源抑制、定位定量精度提升、鲁棒稳健性能强化、声源识别功能完善”的目标，国内外学者开展了大量研究工作并取得了丰硕成果，反卷积波束形成、函数型波束形成和压缩波束形成三类典型高性能方法先后被提出。为帮助国内学者全面了解三类高性能波束形成方法并加以推广应用，系统阐述其核心思想，全面综述其重要研究进展，根据需要计算的阵列点传播函数的数目对反卷积波束形成进行科学分类，根据采用的网格点类型对压缩波束形成进行科学分类。综述同时涵盖适宜识别阵列前方局部区域内声源的平面传声器阵列和适宜360°全景识别声源的球面传声器阵列。

关键词: 声源识别, 反卷积波束形成, 函数型波束形成, 压缩波束形成, 平面传声器阵列, 球面传声器阵列

Abstract: Beamforming acoustic source identification technology based on microphone array measurements is widely used in military, industrial, environmental and other fields. For the goals of enhancing spatial resolution capability, suppressing parasitic false sources, improving localization and quantification accuracy, strengthening robustness, and perfecting identification function, a lot of researches have been conducted and fruitful achievements have been obtained. Three categories of state-of-the-art high-performance methods, including deconvolution beamforming, functional beamforming and compressive beamforming, are proposed successively. To help domestic scholars comprehensively understand and popularize these methods, their core ideas are systematically expounded and important research progresses are comprehensively reviewed. Deconvolution beamforming methods are scientifically classified according to the number of array point spread functions to be calculated. Compressive beamforming methods are scientifically classified according to the type of grid points to be used. Both planar and spherical microphone arrays are covered. The former is suitable for identifying acoustic sources in a local region in front of the array, and the latter is suitable for 360° panoramically identifying acoustic sources.

Key words: acoustic source identification, deconvolution beamforming, functional beamforming, compressive beamforming, planar microphone array, spherical microphone array

中图分类号:

TB52

杨洋, 褚志刚. 高性能波束形成声源识别方法研究综述[J]. 机械工程学报, 2021, 57(24): 166-183.

YANG Yang, CHU Zhigang. A Review of High-performance Beamforming Methods for Acoustic Source Identification[J]. Journal of Mechanical Engineering, 2021, 57(24): 166-183.

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