Research on micro-magnetic sensor based on giant magneto-impedance in amorphous wire
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摘要: 从非晶丝的巨磁阻抗效应入手, 详细分析了非晶丝巨磁阻抗效应原理及其影响因素, 阐述了基于非晶丝巨磁阻抗效应的传感器工作原理, 并设计了传感器的信号调制电路. 该微型化、低功耗的磁传感器有望应用于空间磁场测量.Abstract: The principle and factors of the Giant Magnetic-Impedance (GMI) in amorphous wire are analysed in detail. The operating principle of the sensor based on GMI is analyzed, and the signal processing circuit of micro-magnetic sensor is designed. With the characteristics of micromation and low power consumption, magnetic sensor could be used in the space magnetic-measurement.
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Key words:
- Amorphous wires /
- Magneto-impedance effect /
- Micro-magnetic sensor
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