"Noise test data for HAAS"
收藏DataCite Commons2026-03-10 更新2026-05-03 收录
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https://ieee-dataport.org/documents/noise-test-data-haas
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资源简介：
"To enhance low-frequency detection sensitivity and achieve omnidirectionality in underwater acoustic sensors, this paper reports a hexagonal array piezoelectric MEMS acoustic sensor (HAAS). The HAAS comprises six identical triangular cantilever beams symmetrically arranged in a regular hexagon. This array configuration enables signal superposition to boost sensitivity, while the multi-degree-of-freedom vibrating membrane promotes omnidirectionality in underwater acoustic detection. The distinctive hexagonal array structure imparts exceptionally high sensitivity in the frequency range of 630 Hz to 1.6 kHz (-161.2 dB at fixed 1.6 kHz, ref. 1 V\/\u03bcPa) and superior omnidirectional directivity, with nonuniformities of \u00b10.5 dB in the horizontal plane and \u00b10.3 dB in the vertical plane at 2 kHz. Experimental results demonstrate the substantial potential of the HAAS for applications in underwater biological activity monitoring, communication, and resource exploration."
提供机构：
IEEE DataPort
创建时间：
2026-03-10
