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题名: A Novel Calibration Method for Acoustic Vector Sensor when the Phase is Inconsistent
作者: Zhang Y(张瑶); Li GN(李冠男); Gao L(高雷)
作者部门: 海洋信息技术装备中心
会议名称: OCEANS 2015 MTS/IEEE
会议日期: October 19-22, 2015
会议地点: Washington, DC
会议录: OCEANS 2015 MTS/IEEE
会议录出版者: IEEE
会议录出版地: Piscataway, NJ, USA
出版日期: 2015
页码: 1-4
ISBN号: 978-0-933957-43-5
关键词: Acoustic Vector Sensor ; Phase ; Instantaneous Correlation Integral ; SNR
摘要: The Acoustic Vector Sensor can measure both pressure and particle velocity information of acoustic field at a point in space. By using the acoustic pressure and particle velocity information, a single AVS can get the unbiased estimation of target’s bearing. But when the phase of each channel is inconsistent, the estimation precision will be badly affected. In order to solve this problem, this paper uses the instantaneous correlation integral as a preprocessing algorithm. After the instantaneous correlation integral, the phase of each channel becomes the same, and the signal-to-noise (SNR) ratio of the input signal is improved, which can guarantee the effectiveness of target bearing estimation. Theoretical analysis and simulation results verify the effectiveness of this method.
语种: 英语
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/17341
Appears in Collections:海洋信息技术装备中心_会议论文

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