Modeling and Emulating High DC Current Comparator Based on Magnetic Modulator The operating principle, the sensitivity calculation and the systematic static error of a precision magnetic-modulated type comparator with open-loop silicon steel cores for heavy direct current are discussed, with the specific features of the instrument described. 新型直流大电流比较仪的建模与仿真研究本文论述了一种高精度开口硅钢片铁芯磁调制型直流大电流比较仪的工作原理、灵敏度计算及系统静差分析。
The stability of system and transmission function of the DC amplifier using a magnetic modulator is mainly discussed in this paper, and the compensation method and conditions of the stableness of the system are given. 分析了磁调制式直流放大器的传递函数,对系统的稳定性进行了讨论,给出了系统稳定应满足的条件,并介绍了保证系统稳定的补偿方法。
A fire new double detector sensing theory with magnetic modulator and magnetic amplifier is discussed. 介绍了一种全新的直流大电流测量方法,这种方法是基于磁调制器和磁放大器双重磁检测器原理。
The research of the change of light transmittance characteristics of the magnetic fluid in the optic fiber under the external magnetic field is hoped to be used in optical switch, optical modulator, optical attenuator, magnetic field sensor, current sensor and so on. 研究光纤中磁流体在外磁场作用下光透射特性的变化,有望在光开光,光调制器,光衰减器,电流传感器,磁场传感器等方面获得应用。
Firstly, this article introduces the principles of magnetic modulator and direct current comparator, and direct current comparator is applied to research on the current adder. 首先,本文介绍了磁调制器的原理以及直流电流比较仪的原理,并将直流电流比较仪的原理运用到电流总加器的研究中。
Secondly, the designs of structure and windings of magnetic modulator are presented. 其次,设计电流总加器的磁调制器结构及磁调制器的绕组等。