噪声与振动控制2019，Vol.39Issue(2)：27-31,5.DOI:10.3969/j.issn.1006-1355.2019.02.005
基于振速测量单全息面直接声场分离方法
Direct Sound Field Separation Method based on Single Holographic Layer Particle Velocity Measurements
摘要
Abstract
In order to separate the vibration velocity of the particle accurately, a direct sound field separation method for measuring the vibration velocity of a single holographic surface is proposed based on the wave superposition approach. Firstly, a sound field separation model for single-plane vibration velocity measurement is established and the theoretical calculation method is derived. Through the numerical simulation, the computation accuracy of this algorithm analyzed. It is verified that this method can effectively separate the sound field. Then, errors for separating the simple source and the pulsating sound source using this method and the single-sided sound pressure measurement method are analyzed and compared. The results show that the direct sound field separation method for single-sided vibration velocity measurement can effectively separate the target sound source and obtain higher accuracy of the vibration velocity separation.关键词
声学/声场分离/波叠加/质点振速/单全息面Key words
acoustics/ sound field separation/ wave superposition/ particle velocity/ single holographic surface分类
通用工业技术引用本文复制引用
田克权,毛锦,李林聪,崔亚辉,杜进辅..基于振速测量单全息面直接声场分离方法[J].噪声与振动控制,2019,39(2):27-31,5.基金项目
国家自然科学基金青年基金资助项目(61701397,51705419) （61701397,51705419）
陕西省自然科学研究基础研究计划资助项目(2017JQ5011) （2017JQ5011）
