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.
对于大口径精密投影光刻制版镜头来说，透镜的应力变形和中心误差对整个系统的成像质量有较大影响。
For big aperture's precision photolithographic plate-making lenses, the stress distortion and centering errors of lenses can make a bad effect on imaging quality.
提出微透镜阵列与转镜相结合的大口径激光光束扫描方法。
A large aperture laser beam scanning method by combining microlens arrays with rotating mirror is put forward.
为了实现对介质的高效抽运，将空心透镜导管应用于大口径高功率激光二极管阵列耦合系统。
The hollow lens duct is introduced for the application in the coupling of pump radiation from extended two dimensional semiconductor laser diode arrays into solid state laser gain media.
详细讨论环境温度大范围变化时，大口径光学透镜径向温差应力自动消除的原理及结构，并给出相关参数计算公式。
The principle and structure for eliminating radial temperature difference stress of large sized lens is discussed in detail. The calculation formulae for related parameters are given.
建立了一套较完整的大口径聚光镜型菲涅耳透镜设计和分析理论。
A more integrated theory of design and analysis has been established for the sake of developing the condensing lens type large aperture Frensnel lens.
建立了一套较完整的大口径聚光镜型菲涅耳透镜设计和分析理论。
A more integrated theory of design and analysis has been established for the sake of developing the condensing lens type large aperture Frensnel lens.
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