Source distance determination based on the spherical harmonics
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- 作者：Adam Koutnya ; koutnada@fel.cvut.cz" class="auth_mail" title="E-mail the corresponding author ; Ondrej Jiriceka ; Jean-Hugh Thomasb ; Marek Brothaneka
- 关键词：Microphone array ; Spherical array ; Spherical harmonics ; Near-field acoustical holography
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2017
- 出版时间：15 February 2017
- 年：2017
- 卷：85
- 期：Complete
- 页码：993-1004
- 全文大小：1084 K
文摘
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Spherical harmonics based signal processing for spherical microphone array is summarized while focusing on the near field of such an array.
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Source distance determination with low-frequency approximation and without approximation is described.
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Presented methods are verified on the model simulation and real experimental data.