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使用VMD-MPE特征提取和转移学习对复杂结构的影响监测

Bowen Zhao1, Yihan Wang1, Xianping Zeng1

  • 1School of Aerospace Engineering, Xiamen University, Xiamen 361005, China.

Ultrasonics
|September 2, 2023
PubMed
概括

本研究引入了一种新的区域到点监测方法,用于检测飞机撞击. 它使用信号分解,转移学习和先进的算法来准确识别冲击位置和力量,以提高航空安全.

关键词:
飞机结构 飞机结构冲击力历史 冲击力历史撞击地点 撞击地点 撞击地点结构性健康监测 结构性健康监测转移学习转移学习

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相关概念视频

¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)01:20

¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)

When proton-coupled carbon-13 spectra are simplified by a broadband proton decoupling technique, structural information about the coupled protons is lost. Distortionless enhancement by polarization transfer (DEPT) is a technique that provides information on the number of hydrogens attached to each carbon in a molecule. While the DEPT experiment utilizes complex pulse sequences, the pulse delay and flip angle are specifically manipulated. The resulting signals have different phases depending on...