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Acoustic vector sensor: reviews and future perspectives

机译：声矢量传感器：回顾和未来展望

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摘要

Acoustic vector sensor (AVS) has been recently researched and developed for acoustic wave capturing and signal processing. Conventional array generally employs spatially displayed sensors for signal enhancement, source localisation, target tracking, etc. However, the large size usually limits its implementations on some portable devices. AVS which generally includes one omni-directional sensor and three orthogonally co-located directional sensors has been recently introduced. An AVS is able to provide the four-dimensional information of sound field in space: the acoustic pressure and its three-dimensional particle velocities. A compact assembled AVS could be as small as a match head and the weight can be <;50 g. Benefits from these properties, AVS tends to be more attractive for exploitation and commercialisation than conventional sensor array. To have a well understanding of the research progress on AVS, an overview on its recent developments is first given in this study. Then, discussions of challenges on AVS and extensions on its possible future prospects are presented.
机译：声学矢量传感器（AVS）最近已被研究和开发用于声波捕获和信号处理。常规阵列通常采用空间显示的传感器来进行信号增强，源定位，目标跟踪等。但是，大尺寸通常会限制其在某些便携式设备上的实现。最近引入了通常包括一个全向传感器和三个正交位于同一位置的方向传感器的AVS。 AVS能够提供空间声场的三维信息：声压及其三维粒子速度。紧凑的组装式AVS可以和火柴头一样小，重量可以<; 50 g。得益于这些特性，AVS在开发和商业化方面比常规传感器阵列更具吸引力。为了更好地了解AVS的研究进展，本研究首先概述了其最新发展。然后，讨论了有关AVS的挑战及其可能的未来扩展。

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