查询词典 spherical aberration

In this paper the influence of coma and spherical aberration on the far-field distribution and antenna receiving power is analyzed, in which aberration attenuation factor is introduced and the relation of it to root mean square of wavefront aberration is given.

分析了球差和彗差对信号光远场分布、天线接收光功率的影响，引入了畸变衰减因子，给出了畸变衰减因子与波前畸变均方根值的关系。

To the emmetropia eyes, the negative spherical aberration of nature lens can compensate the plus spherical aberration of the cornea to reduce the whole spherical aberration of the human eye and keep a better vision.

一般对于正常眼来说，晶状体的负球差可以部分补偿角膜的正球差，从而降低整个人眼光学系统的球差，以保证较好的视觉功能。

This paper presents an efficient approach of designing a special dome and its aberration corrector, using the method of Wassermann-Wolf differential equations to generate the optimum contour of the corrector through a macro in CODE V. This corrector reduces spherical aberration and coma which are introduced by the dome and improves the imaging quality of the system.

本文提出了一种有效的特殊整流罩及其像差校正器的设计方法，运用Wassermann-Wolf微分方程组的原理，通过在CODE V中编译宏程序曲面拟合的方法得到校正器最佳面形，从而可以校正整流罩引入的球差、彗差，使系统成像质量得到较大的改善。

The main advantage of reflecting telescope there is no chromatic aberration, when the objective lens when using parabolic, but also can eliminate spherical aberration.

反射望远镜的主要优点是不存在色差，当物镜采用抛物面时，还可消去球差。

Spherical aberration is an image imperfection that is due to the spherical lens shape.

球差就是一种由于球面透镜的形状引起的成像缺陷。

Radius variation of image beam waist due to spherical aberration, which varies with the position of objective beam waist, and optical system focus is analyzed with the form of curve. At last,a design example of optical system used for laser plume attenuation testing system is given to illustrate the effect of spherical aberration on the image beam waist.

本文还提出了在设计过程中存在的球差对激光束像方束腰的影响，对其进行了理论分析，并给出了数学模型，总结出高斯光束的像方束腰半径与物方束腰位置、光学系统焦距之间的关系，并对本光学系统的设计进行了验算。

To improve the quality of the image, the defocusing error was used to balance the piston error, spherical aberration and astigmatism, and the results were significantly improved, especially the wave surface variance caused by spherical aberration was decreased by 90%.

运用离焦误差对piston误差、球差和像散进行像差平衡，其效？灾乇鹗乔虿钜鸬牟娣讲钕陆？0％。系统各项像差系数随子孔径数的增加而降低；当子孔径数大于6时，各像差系数变化缓慢。

When one element of an N-element array is aberrated, the most sensitive aberration is Piston error, and then the sensitive aberrations are element defocus, tilt, spherical aberration, coma and astigmatism. As for four aperture system, the influence of Piston error is 2 times larger than that of defocus, and 4 times larger than that of astigmatism.

在合成孔径成像系统单个子孔径存在像差的情况下，Piston误差对系统的影响最大，其次是离焦误差、倾斜误差、球差、彗差和像散，对于四孔径系统，Piston误差对系统的影响几乎是离焦误差的2倍，像散的4倍。

The calculating method of the clear physical image was given for the spot spherical aberration on axis, the relational expressions of geometrical size, place and medium of lens and the spot spherical aberration on axis were deduced.

对轴上点球差给出了一种物理图像较为清楚的计算方法，得到了透镜的几何尺寸、位置及其介质与轴上点球差的关系式。

Electron beam focusing ; space-charge effect ; emittance ; spherical aberration ; chromatic aberration.

电子束聚焦；空间电荷效应；发射度；球面像差；色散像差

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。