层间非均质性研究，通过分层系数、砂岩密度及重叠系数来描述砂层的发育与分布；

The level the anisotropic research, basing on the lamination factor, the sandstone density and the overlap coefficient describes the sand body growth and the distribution;

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通过改造绕组调制函数所建立的数学模型分析计算绕组的分层系数、正交误差和电气误差。

Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.

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通过改造绕组调制函数所建立的数学模型分析计算绕组的分层系数、正交误差和电气误差。

Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.

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