相关实验视频

Updated: Jan 15, 2026

Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors
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Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors

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磁电阻传感器的电子噪声测量:一项比较研究

Cristina Davidaș1,2,3, Elena Mirela Ștețco1,2,3, Liviu Marin Viman1,3

  • 1Applied Electronics Department, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania.

Sensors (Basel, Switzerland)
|October 16, 2025
PubMed
概括

调查巨型磁还原 (GMR) 传感器噪声需要先进的测量系统. 这项研究证实,两种电子配置有效测量GMR传感器噪声,实现高检测能力.

关键词:
这是一个巨大的磁电阻.低频噪声是一种低频噪声.低噪音的放大器.

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相关概念视频

Magnetic Damping01:17

Magnetic Damping

Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
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