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Updated: May 16, 2025

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高线性表面声波延迟线传感器:三重过渡回声消除的综合战略

Chen Fu1, Shenghe Hu1, Zhao Jiang1

  • 1College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China.

The Journal of the Acoustical Society of America
|April 4, 2025
PubMed
概括

这项研究通过优化设备配置和信号,消除了表面声波 (SAW) 传感器中的三重过渡回声 (TTE). 这大大提高了传感器的线性和可靠性,用于精确的测量.

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Echo01:06

Echo

The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
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