numeric aperture

常见例句

The near-axis field distribution of circular aperture antennas is obtained by numeric integration method.
采用数值积分方法分析了圆口径天线非轴向近场分布特性。
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And the numeric simulation is done to get the multi-supporting results of the optical elements with large aperture.
针对各向同性圆形光学镜面做了具体的模拟计算，对圆形镜面的多点支承问题进行了初步研究。
When system is in long focal length, the height of the immediate image is small while the numeric aperture is large. This will help to correct aberrations of image.
在长焦位置，中间像面高度小，数值孔径大，这种结构形式有利于系统的像差校正。