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Updated: May 21, 2025

The Measurement of Unsteady Surface Pressure Using a Remote Microphone Probe
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对于MEMS麦克风高频压力比较校准的声音场校正的有效性

Fabio Saba1, María Campo-Valera2, Davide Paesante1

  • 1Istituto Nazionale di Ricerca Metrologica (INRiM), 10135 Torino, Italy.

Sensors (Basel, Switzerland)
|March 17, 2025
PubMed
概括

微电机系统 (MEMS) 麦克风的准确校准使用有限元法 (FEM) 模拟和实验性校正得到了改进. 这种先进的方法减少了MEMS麦克风的测量不确定性,特别是在高频率.

关键词:
对于女性来说,FEM就是女性.这是一个MEMS麦克风.声学场的声学场是指声学场的声学计量学 声学计量学活动合器 活动合器插入电压技术 插入电压技术压力比较校准压力比较声音场的纠正 声音场的纠正

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Sound waves, which are longitudinal waves, can be modeled as the displacement amplitude varying as a function of the spatial and temporal coordinates. As a column of the medium is displaced, its successive columns are also displaced. As the successive displacements differ relatively, a pressure difference with the surrounding pressure is created. The gauge pressure varies across the medium.
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