The magnetic network model of hybrid step motor is established according to the air gap late permeance method, and the expression of the harmonic back EMF is deduced.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型，推导出谐波反电势的表达式。
This paper describes a method based on the generalized principle of virtual work to derive the hybrid model of finite element. An assumed-strain hybrid model was obtained.
本文提出用广义虚功原理的方法建立有限元的杂交模型，并具体导出了一种杂交应变模型。
A new method for simultaneous inversion of porosity and saturation based on rock-physics model and hybrid optimization method was presented.
提出了一种基于岩石物理模型与混合优化算法同时反演孔隙度和饱和度的新方法。
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