demagnetization coefficient meaning in English

去磁系数，退磁系数
消磁系数

First of all , this paper introduced the working theory of three kinds of fluxgate magnetometer sensors : single core sensor , double core sensor and ring core sensor . then the author discussed relations between noise and demagnetization coefficient , and relations between noise and dimension of fluxgate magnetometer sensors
本文从介绍磁通门传感器的分类入手，详细分析了单棒型、双棒型和环型磁通门传感器的工作原理，并且深入讨论了磁通门传感器的噪声与退磁系数的关系以及噪声与传感器尺寸的关系。