主透镜

使用极差分析法对试验数据进行分析，探讨了工艺参数对TIR主透镜塑件翘曲和收缩行为的影响规律，结合生产实际优化了工艺参数组合。

Range analysis method was used to analyze the test data . The affection of the parameters on the warpage and shrinkage behavior of TIR lens was discussed . The parameters were optimized combined with the actual production process .

摄象管主透镜的物是交叉点的验证

Verification on Object of Main Lens in Camera Tube Being Cross-over

人工神经网络用于研究电子枪主透镜的逆设计

Application of Artificial Neural Network to the Inverse Design of the Main Lens of the Electron Gun

玻壳主透镜在工艺实现中的特殊困难&玻壳炸裂和轴上象散；

The proper technological problems in the preparation of the envelope main lens , e.g. envelope cracking and on-axis astigmatism ;

根据电动力学的基本方程，推导出了空间电子束焊枪主透镜区在圆柱坐标系中的自洽性方程组。

Equations of electron beams in the column coordinate system are deduced according to fundamental equations of electro motion mechanics .

列阵透镜由多个列阵元拼接而成，用以改善主透镜焦点附近能量分布的均匀性。

Lens array consists of many array units , which can improve energy distribution uniformity around the focus of main lens .

当网络体系建成后，在很短的时间内即可由已知的着屏电子束斑逆推出电子枪主透镜的结构。

According to the requirement of the spot on the screen , the structure of the main lens can be obtained through this network in a short time .

玻壳真空精密成形工艺如何较好地实现了玻壳主透镜的高精度和高强度、最后给出了测试结果。

How the high precision and high strength of the envelope main lens are properly achieved by means of vacuum precision envelope forming technique . Test results are presented .

通过对主透镜和二次透镜的注塑成型过程进行模拟分析，对比分析结果确定了各结构合理的尺寸，及冷却系统中冷却介质的温度，最终实现主透镜和二次透镜模具的合理性设计。

Through the simulation of injection molding process for the lenses and analyzing of the simulation results , the optimized size of every structure was confirmed and coolant temperature was selected .

此外，除了空间电荷效应最严重的阴极区外，主透镜区和漂移区的空间电荷效应相对预聚焦区较为显著。

Furthermore , apart from the cathode section where the space charge takes the most serious effect , the space charge effect is relatively more remarkable in drift section and main lens section than pre-focus section .

自适应光学成像技术是指在计算机实时控制下，通过改变主透镜表面的曲率来补偿大气变化及温度变化所引起的成像畸变。

Adaptive optical imaging technology refers to under the control of the computer , by changing the curvature of the surface of the main lens to compensate for atmospheric changes and temperature changes lead to the imaging distortion .

经过优化设计的预聚焦透镜和主聚焦透镜满足显示HDTV图像的要求。

The electron gun consisting of an optimally designed pre-focusing lens and main focusing lens is improved for HDTV display application .

彩色显像管中主聚焦透镜的研究

The Study of the Main Focusing Lens in Colour Picture Tube

由于离子源的合理设计、引出透镜系统的改进及其同主聚焦透镜的良好匹配，所以取得了较好的实测结果。

The performance of the gun is better , as we properly design the ion source , improve the draw lens system and notice that it combines with main focusing lens .

木文着重介绍了：1.利用玻壳内壁的导电涂层构成的大孔径、小球差的玻壳主聚焦透镜的设计原理；

In this paper the emphasis is placed on : ( 1 ) the design principle for the envelope main focusing lens with large aperture and small spherical aberration coefficient comprising conductive coating on the envelope inner wall ;

薄透镜的两个主点与透镜中心相重合。

The principal points of a thin lens coincide at the center of the lens .

选择了适合制作大尺寸、小接触角微透镜的丙酮蒸气回流法作为主镜微透镜的制作方法。

The method of acetone vapor reflow is chosen for the fabrication of primary mirror with large size and small contact angle .

对江西铜业公司德兴铜矿2尾矿坝主剖面的透镜体进行盒维数分析，表明透镜体分布存在分形特性，分形维数为1.5024。

The lenticles of the main cross-section of No. 2 tailings dam of Dexing Copper Mine is analyzed with box dimension method . The result shows that the distribution of tailings lenticles has the fractal characteristics and the fractal dimension is 1 . 5024 .