The governing equations were discretized using a finite volume method on a bipolar coordinate system.
在双极坐标系内，利用有限体积法对控制方程离散求解。
The bipolar coordinate system in which the two boundary circles of eccentric annuli become the coordinate surfaces is used.
使用双极坐标系研究流体在偏心环空内的流动。
An approach of mapped with bipolar coordinate and reduce noisy is used to normalize iris image in this paper, and annularity image with different centre is mapped onto bipolar coordinate efficiently.
本文介绍了一种用双极坐标映射和降噪的方法对虹膜图像进行归一化，可以有效的将不同心的环形图像映射到双极坐标系上。
An approach of mapped with bipolar coordinate and reduce noisy is used to normalize iris image in this paper, and annularity image with different centre is mapped onto bipolar coordinate efficiently.
本文介绍了一种用双极坐标映射和降噪的方法对虹膜图像进行归一化，可以有效的将不同心的环形图像映射到双极坐标系上。
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