分析了在不同拉丝速度下，光纤几何参数的变化。
The geometric parameter change of optical fiber at different drawing speed is analyzed.
本文利用近场图像法对光纤几何参数进行自动测量。
In this text the method of near field image is used to measure the geometric parameter of optical fibre automatically.
本文提出了采用图像处理方式进行空芯光纤几何参数测量的方法。
The paper presents a method of geometric measurement of hollow-core optical fiber using the image processing techniques.
这是在考虑到国内外现有的光纤几何参数测量方法的缺陷，针对空芯光纤的特殊问题而提出的。
It is proposed especially for the hollow-core optical fibers, considering the defect of the present measurement techniques.
这是在考虑到国内外现有的光纤几何参数测量方法的缺陷，针对空芯光纤的特殊问题而提出的。
It is proposed especially for the hollow-core optical fibers, considering the defect of the present measurement techniques.
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