| 1. | Recommendations for specifying the optical performance of lenses for television cameras 规定电视摄像机透镜光学性能的推荐标准 |
| 2. | Method for testing optical performance of slide and filmstrip projectors with built - in small screens 小屏幕的幻灯片和35mm幻灯放映机光学性能的测试方法 |
| 3. | And , unlike many lens - shift systems , it causes no degradation in optical performance . large 2 . 5 - inch lcd for clear viewing , right on the spot 此崭新的袖珍ccd组件令dimagex1毋须牺牲光学镜头的效能表现,仍能保持纤薄轻巧的完美外型。 |
| 4. | Nlc is uniaxial in optics and dielectric and anisotropic in electricity . and this make it possible to control optical performance with electric field 向列相液晶在光学上的单轴特性与电学上的介电常数各向异性使得用电来控制光学性能成为可能。 |
| 5. | Securityand usually the ideal choice for networks , especially designed for the net cards of buildings or schools . its adapter adopts ceramic corethus can ensure its excellent mechanical and optical performance 络的理想选择,专为楼宇或校园网主卡设计,适配器采用陶瓷芯,保证优良的 |
| 6. | Beam steering characteristics of liquid crystal optical phased array ( lcopa ) is an important index evaluating its optical performance , and beam steering angle is the direct parameter indicating this 液晶光学相阵列的光束偏转特性是评价其光学特性的一项重要指标,而光束偏转角是直接评价这一特性的物理参数。 |
| 7. | The results indicate that the optical performance and coating quality have been improved drastically by using ion - assisted deposition technology in the vacuum deposition , in comparison with the traditional thermal vapor deposition 结果表明,与传统的热蒸发镀膜工艺相比,在真空沉积过程牛采用离子束辅助沉积技术,可以大大提高膜层的光学特性及膜层品质。 |
| 8. | The telephoto lens system consisted of only two pieces of optical elements made of fk1 glass has an equivalent optical performance to the traditional telephoto lens system made of five pieces of optical elements made of defferent kinds of glass 给出了仅使用1种材料fk1 、 2片型的长焦物镜系统设计结构,并将此设计结果与传统的5片型、 5种材料的纯折射长焦物镜的光学性能进行了比较。 |
| 9. | ( 2 ) introduced the optical influnce of seawater , the design of the nvdis optical system has been discussed . besides satisfying the optical performance and observation requirement , the instrument is able to press of seawater . the airproof of theinstrument has been designed 在此基础上,确定了单兵水下微光观察仪的技术指标,对产品的物镜、目镜等光学系统进行了全面的设计与计算,考虑到产品水下使用的特殊性,对产品的抗压和密封性进行了工程设计。 |
| 10. | Secondly , the initial structure parameters of the f - theta lens are obtained with p - w method . and then a few of optimal f - theta lenses with different working area and required optical performances are gained with zemax optical design software under practical constrained conditions 结合实际使用时的具体要求,如工作面为平面、工作面上照度须均匀分布等,利用zemax光学设计软件,建立合理的品质函数,优化设计得到多种不同工作面积的f - theta镜头。 |