Process / pipelineSignal processing, Spatial filtering
波束形成
波束形成是一种空间信号处理技术，它利用麦克风阵列选择性地增强来自期望方向的声音，同时抑制来自其他方向的声音。波束形成由 Van Veen 和 Buckley 于 1988 年正式提出，是免提语音通信、助听器、声纳、雷达和空间音频录音的基础。它通过利用阵列单元之间的时间延迟和相位差，实现了在不使用全向麦克风的情况下进行具有方向灵敏度的“听音”。
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来源
- Van Veen, B. D., & Buckley, K. M. (1988). Beamforming: A versatile approach to spatial filtering. IEEE ASSP Magazine, 5(2), 4–24. DOI: 10.1109/53.665 ↗
- Brandstein, M., & Ward, D. (2001). Microphone Arrays: Signal Processing Techniques and Applications. Springer-Verlag. ISBN: 978-3540419013
- Krim, H., & Viberg, M. (1996). Two decades of array signal processing research. IEEE Signal Processing Magazine, 13(4), 67–94. DOI: 10.1109/79.526899 ↗
如何引用本页
ScholarGate. (2026, June 3). Acoustic Beamforming and Directional Microphone Arrays. ScholarGate. https://scholargate.app/zh/acoustics/beamforming
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