摘要
伞型三维传声器阵列结合三维声聚焦波束形成方法可以识别阵列前后位置。为验证方法的有效性,通过伞型三维传声器和轮辐平面传声器阵列在点声源构成的声场中进行了单声源的仿真对比,并在全消声室内进行了单声源识别定位的实验对比。仿真结果和实验结果一致表明:采用伞型传声器阵列能够识别定位三维空间中的声源,突破了轮辐传声器阵列的局限性。在此基础上,通过仿真和实验数据获得了两种阵列在X和Y方向的主瓣宽度等,并分析了伞型和轮辐传声器阵列的特点。
The sound source location can be recognized with the umbrella microphone array combined with three-dimensional focused beamforming method.In this paper,the umbrella 3D microphone array combined with the three-dimensional beamforming method is adopted.Not only the simulation comparison under the sound field of a monopole by the umbrella and sector wheel microphone array is carried out,but also the experiment in the anechoic room.Results indicate that this method is available on locating and identifying sound source in 3D,which breakthrough the limitations of sector wheel microphone arrays.On this basis,HPBW in the direction of X and Y of two kinds of arrays are obtained by simulation and experimental data,and the characteristics of the two kinds of arrays are analyzed.
作者
柴国钟
傅栋林
丁浩
CHAI Guozhong;FU Donglin;DING Hao(Ministry of Education/Zhejiang Province Key Laboratory of Special Purpose Equipment and Advanced Manufacturing Technology,Zhejiang University of Technology,Hangzhou 310014,China)
出处
《浙江工业大学学报》
CAS
北大核心
2019年第3期255-261,共7页
Journal of Zhejiang University of Technology
基金
浙江省科协"育才项目"资助项目(2016YCGC008)
关键词
波束形成
伞型阵列
平面阵列
三维声源的定位
球面波
beamforming
umbrella array
planar array
sound source identification in 3D
spherical wave
