Abstract: Microphone array signal processing is significantly influenced by array parameters such as the number of sensors, array aperture, and array topology. These factors affect both the ...

Abstract: A phased array consists of multiple antenna elements that can control the direction of the radiated signal by adjusting each antenna element’s phase and amplitude, which are encapsulated in ...

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When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described it as potentially useful in getting someone’s attention from across a ...