摘要
基于波束成形的声源识别技术近年来发展迅速,在整车风洞中获得了广泛应用。概述了波束成形的基本原理与声源识别系统的性能指标,以及在整车风洞中使用的特点。围绕最近十年来与汽车风洞工程应用密切相关的内容,针对声源识别硬件设备与软件算法两方面,总结了所取得的进展与相应发展趋势。为波束成形声源识别技术在整车风洞风噪开发中的深入应用提供参考。
The technology of sound source identification based on beamforming has been rapidly developed in recent years and widely used in automobile wind tunnels.This article outlines the basic principles of beamforming,the performance metrics of sound source identification systems and the system characteristics when used in automobile wind tunnels.The paper focuses on the technologies related to the engineering applications of automobile wind tunnels over recent decades,summarizes the progress and development trends of sound source identification in terms of the hardware equipment and software algorithms.The paper provides a reference for the in-depth applications of beamforming technology in the wind noise development in automobile wind tunnels.
作者
沈哲
杨志刚
王勇
王毅刚
贺银芝
SHEN Zhe;YANG Zhigang;WANG Yong;WANG Yigang;HE Yinzhi(State Key Laboratory of Vehicle NVH and Safety Technology,Chongqing 401122,China;Postdoctoral Station of Mechanical Engineering,Tongji University,Shanghai 201804,China;Shanghai Automotive Wind Tunnel Center,Tongji University,Shanghai 201804,China;Shanghai Key Lab of Vehicle Aerodynamics and Vehicle Thermal Management Systems,Shanghai 201804,China)
出处
《汽车工程学报》
2020年第6期407-413,共7页
Chinese Journal of Automotive Engineering
关键词
汽车风洞
测试技术
波束成形
声源识别
automobile windtunnel
testing technology
beamforming
sound source identification
