使用大口径透镜收集散射光得到高信噪比的多普勒信号。
And because the big diameter lens is used to collect scattered light, the Doppler signal of high SNR is obtained.
就光学仪器中的大口径透镜的新式加工方法及工艺特征作了阐述。
It describes a new type of process and technological features on the lenses with big diameter that are used in the optical instruments.
针对目前大口径精密光学透镜表面疵病检测方法的不足，提出了一种基于线阵CCD的机器视觉检测技术。
Aiming at the shortage of current inspection technology for surface flaws of large-caliber optical lens, a machine vision inspection technology based on line CCD is studied.
应用推荐