基于FMCW毫米波雷达的声音信号检测

2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT) Pub Date : 2022-08-12 DOI:10.1109/ICMMT55580.2022.10022859

Hong Xu, Xin Huai Wang, Yin Xu, Xiao Cheng Wang, Xin Li, X. Shi

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引用次数: 0

摘要

本文采用FMCW毫米波雷达传感器对声音信号进行检测。声源表面的振动对雷达的发射信号进行调制，从而恢复声信号。实验证实，77GHz毫米波雷达可以探测到十微米以上的微小振动，避免了复杂场景中多个声源之间的相互干扰，可以独立获取每个声源的信号。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Sound Signal Detection Based on FMCW Milimeter Wave Radar

In this paper, FMCW millimeter wave radar sensor is used to detect the sound signal. The vibration of the surface of the sound source modulates the transmitted signal of the radar, which can recover the sound signal. Experiments have confirmed that the 77GHz millimeter wave radar can detect the tiny vibration of more than ten microns, avoid the mutual interference between multiple sound sources in a complex scene, and can independently obtain the signal of each sound source.

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2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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