采用偏置开关的正交磁通门磁强计，工作稳定

Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498) Pub Date : 2003-10-22 DOI:10.1109/ICSENS.2003.1278982

I. Sasada, T. Usui

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引用次数: 5

摘要

介绍了用细磁丝构成正交磁通门的一种新的工作方式。在这种模式下，在交流励磁上加一个直流偏置，感应电压的基本分量是对轴向施加磁场的测量。针对工作在新模式下的正交磁通门，提出了一种减小偏置和漂移的偏置开关方法。给出了分辨率和稳定性的初步结果。

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Orthogonal fluxgate magnetometer utilizing bias switching for stable operation

A new mode of operation is described for an orthogonal fluxgate built with a thin magnetic wire. In this mode, a dc bias is added to the ac excitation and the fundamental component of the induced voltage is a measure of the axially applied magnetic field. A bias switching method for reducing offset and drift is proposed for the orthogonal fluxgate operating in the new mode. Preliminary results on the resolution and the stability are presented.

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Proceedings of IEEE Sensors 2003 (IEEE Cat. No.03CH37498)

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