| 1. | An image of the object is projected by the object lens on to the photocathode of an image converting tube .
物象通过物镜投影在变像管的光阴极上。 |
| 2. | Secondly , using compound on - axial holographic lens to design a diffractive / refractive hybrid object lens
随后，利用复合同轴全息透镜设计了一个衍折混合照相物镜。 |
| 3. | If the objective lens is closer to the compact disk than the focal length of the object lens , then the cylindrical lens creates an elliptical image on the photodetector array
如果物镜与光盘之间的距离短于物镜的焦距，柱面透镜就会使在光电探测器阵列上的成像变成椭圆影像。 |
| 4. | If the objective lens is further away from the compact disk than the focal length of the object lens , then the cylindrical lens again creates an elliptical image on the photodetector array
如果物镜与光盘之间的距离长于物镜的焦距，柱面透镜也会使在光电探测器阵列上的成像变成椭圆影像。 |
| 5. | She hardly observed that a tear descended slowly upon his cheek , a tear so large that it magnified the pores of the skin over which it rolled , like the object lens of a microscope
她也没有看见一滴泪水慢慢地从他的脸上流下来，那是一滴很大的泪水，好像是一架放大镜的目镜，把它流过去的皮肤上的毛孔都放大了。 |
| 6. | Long focus object lens of three color achromatic aberration is one of two posers of optical design , using this method can get a perfect result . compared with pw method , the first results received from the wave - deviation method are more accurate and more rapid
使用此数学模型编的光学自动设计程序，也可以说是光学镜头设计的一种新方法，即实现自动选玻璃，求解初始结构(曲率半径r ，厚度d等)和自动校正像差和优化系统等。 |
| 7. | This paper analyses the critical angle method that often use in focus detected . we receive two relations , the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文针对伺服系统中常用的调焦方法-临界角方法进行了分析，理论上得到临界角棱镜的折射率、物镜的数值孔径与离焦误差信号的关系。 |
| 8. | This paper analyses emphatically the position error and manufacture error of critical - angle prism the position error and aberration of object lens the position error and manufacture error of the polarization beam splitter the position error of the detector , and come out their relations
着重分析了临界角棱镜位置误差与制造误差；物镜的位置误差与像差；偏振分束棱镜的位置误差与制造误差；探测器的位置误差等对离焦误差信号的影响，并给出了理论曲线。 |
| 9. | In the retrofocus project , a retrofocus structure with two elements is used in the object lens to enlarge fov and back working distance , in the head of which the negative meniscus have the effect of balancing aberration and deviating rays like a prism . and a standard hyperhemisphere immersion lens with high refractive index is put behind the object lens to satisfy the receiving of a detector with smaller photosensitive
反远距设计方案中物镜采用二片式反远距结构,增大了视场和后工作距离,弯月型负透镜在前,具有平衡像差和棱镜的偏向作用;物镜后放置高折射率标准超半球型浸没透镜,满足小光敏面探测器接收。 |
| 10. | The rear expounds the working principle of pick - up and the methods that are able to implement compatibility and fit high density disc . moreover a devise idea is put forward that hologram incorporates object lens that can adapt to the panasonic ' s double focus and give credible technologic guarantee and carry out product ' s simplification
后半部分对dvd的核心部分? ?激光头的工作原理及其满足高密度和兼容性要求的实现方法进行了详细阐述，并提出了适应松下两焦点光头的全息板与物镜一体化设计思想，为产品简单化的追求提供了可靠的技术保证。 |
