| A Novel Magnetic Linear Encoder Designed by Using the Slant Multi-Phase Filtering Model |
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| 作者姓名： | 石玉 邢怀中 张怀武 刘颖力 荆玉兰 钟智勇 |
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| 作者单位： | [1]SchoolofMicroelectronicsandSolid-StateElectronics,UniversityofElectronicsScienceandTechnologyofChina,Chengdu610054 [2]DepartmentofPhysics,DonghuaUniversity,Shanghai200083 |
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| 摘 要： | A novel design model based on the slant multi-phase filtering model is presented. A magnetic linear encoder with sinusoidal output voltage waveform has been investigated, and the improved sinusoidal output waveform can be reasily acquired. A minimum 6% of distortion factor, when the difference of slant phase is 2π/3, is observed. It is found that the Wheatstone bridge type sensor, made of NiFe(450A)/NiO(300A) bilayers deposited on Si (001) substrate, can enhance both output signal and thermal stability, and then can be widely used in the field of magneto-resistive sensor.
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| 关 键 词： | 薄膜磁致电阻传感器 磁场探测 磁扭矩 线性频率 |
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