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Updated: Jul 6, 2026

Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer
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Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer

Published on: September 28, 2015

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基于聚乙烯化物压电薄膜和变化模式分解-扩展卡尔曼过器联合优化高精度超声波空气测量系统

Haodong Niu1,2, Yunbo Shi1,2, Kuo Zhao1,2

  • 1School of Measurement and Control Technology and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China.

Sensors (Basel, Switzerland)
|March 14, 2026
PubMed
概括

这项研究引入了一个新的超声波风速测量系统,使用PVDF传感器和麦克风. 创新的信号处理显著提高了复杂环境中的准确性和稳定性.

关键词:
扩展的卡尔曼过器聚乙烯化物聚乙烯化物超声波动力测量仪超声波动力测量仪变化模式分解的变化模式分解

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相关概念视频

Application of Linearization and Approximation01:29

Application of Linearization and Approximation

A drone flying through complex terrain often relies on more than one sensing method to estimate small changes in altitude. Along with direct measurements, air pressure provides a useful indirect indicator of vertical movement. Atmospheric pressure decreases as altitude increases, and this relationship is commonly described using an exponential model. Although accurate, converting pressure measurements into altitude values requires calculations that are too complex to perform repeatedly during...