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1·The novel non-contact type current sensor based on giant magneto-impedance (GMI) effect in Co-based amorphous ribbon toroidal core was studied.

利用钴基非晶薄带环形磁芯的巨磁阻抗效应研制了新型非接触电流传感器。

2·The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.

磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。

3·The invention provides a copper mould suction casting preparation device of an iron-based bulk amorphous alloy toroidal magnetic core and a method therefore.

本发明是一种铁基块体非晶合金环形磁芯的铜模吸铸制备装置及其方法。

4·The use of a toroidal transformer with a ferrite core will be better to minimize the HF losses in the core.

一个环形变压器的铁芯将更好地使用，以尽量减少核心的高频损失。

5·The outer core of the earth, being in the plasma state with high temperature, high pressure, high density, and immersed in a strong toroidal magnetic field, can support varieties of plasma waves.

地球外核处于高温、高压、高密度的等离子体状态，可以支持多种磁流体波的激发和传播。