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。
The theoretical calculation result fits well with the experiment result, and the mathematical method adopted is feasible and valuable for the flux prediction of the air gap membrane distillation.
理论计算蒸馏通量与实验结果吻合较好，表明采用的数学模拟及计算方法是可行的，对预测空气隙膜蒸馏通量进行有价值的探讨。
According to the theory of robustness, this paper takes a robustness processing in air gap discharge test data when the up-down method is employed.
通过引入稳健性理论，对升降法空气间隙放电试验数据进行了稳健性处理。
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