英德
有道
百度
谷歌
图片
维基
百科
孔径透镜 [kǒng jìng tòu jìng]
[光] aperture lens
- 选取了1550nm宽谱光源和大数值孔径的透镜，提高了横向分辨率和纵向分辨率，保证了探测的深度。
by selecting 1550nm wide spectrum light source and high N. A, enhanced the horizontal and the vertical resolving power, ensured the detection depth. - 用光纤制成的光束变换元件代替大孔径透镜和狭缝拍摄彩虹全息图，大大提高了全息图的视角，而且方法简单。
We use a new optical element-fibre-optic beam translator in place of large aperture lens and slits to make rainbow hologram for raising viewing angle. - 本文讨论了薄透镜孔径对透镜傅里叶变换公式导出带来的困难，较全面地分析了使用该公式应满足的条件。
The paper discusses the difficulty presented in deducing Fourier transform formula due to the lens aperture restriction, and analyzes the desired conditions in using the formula in great detail.
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