利用拉梅谐和函数理论，证明了共焦椭球成层分布三轴椭球体的外部引力位与均质三轴椭球体的外部引力位具有一致的形式。
The purpose of this paper is to give an analytical expression of a tri axes ellipsoid body's gravitation potential with layered, focus tri axes ellipsoidal density distribution.
本文描述了作者首次依据空间频谱的分布特征，提出了在共焦激光扫描显微系统中实现暗场成像的新途径——离轴成像法。
Based on the spatial spectral distribution, a new method to form images with dark-field ib proposed for applications in Confocal scanning Laser microscopy system.
影响离轴抛物镜准直特性的主要因素有离轴量，有效孔径和焦面出射点的位置。
The basic factors affecting collimating characteristic are off-axis magnitude, effective aperture and emission position on the focal plane of off-axis parabolic mirror.
利用数值计算详细分析和说明了偶数模厄米高斯光束的轴上光强分布和焦移。
The axial intensity distribution and focal shift of H-G beams with even mode Numbers are analyzed and illustrated with detailed numerical examples.
本文讨论了当固定条形镜面聚光器长轴沿东西向放置时，太阳时角变化所引起的焦线位置的移动。
This paper deals with a displace of focusing line position which is caused by change of solar hour angle when a long axis of FMSC is placed in east-west direction.
叙述了2.16米天文望远镜卡焦及折轴光学系统的调整原理与具体步骤。
In this paper, the principle and procedure of alignment of Cassegrain and coude optical systems for 2.16m astronomical telescope are described.
提出了用平顶多高斯光束作为理想光束和使用离焦望远镜系统合成轴上平顶光束的一种新方法。
A new synthesis method for synthesizing on-axis flat-topped beams by using a defocusing telescope system;
提出了用平顶多高斯光束作为理想光束和使用离焦望远镜系统合成轴上平顶光束的一种新方法。
A new synthesis method for synthesizing on-axis flat-topped beams by using a defocusing telescope system;
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