Circularly symmetry

A method for obtaining two-dimension non-circular-symmetrical optical cavities was introduced by applying a variable electrical field(VEF) on a pendant liquid drop.

报道了一种用悬垂液滴通过可变电场(VEF)制作二维非圆对称液相光学谐振腔的理论和方法。

3D seismic migration algorithms of holding circular symmetry;

保持圆对称性的三维地震偏移算法

Assuming that the point spread function(PSF) is circular symmetry and considering that the image is actually complex conjugate symmetry in frequency domain, authors establish a new cost function in frequency domain.

算法假设退化系统的点扩散函数具有圆对称性 ,并考虑图像的频域具有复共轭对称性 ,在频域里建立了新的优化判据 ;采用共轭梯度算法搜索判据 ,从而在有实际物理意义的区域中收敛于最优解 ;对光学成像系统常见的离焦、衍射模糊问题进行了仿真 ;用该算法实现了其退化图像的恢复 ,给出并分析了结果 。

In theory,simulation and experiment,it was proved that the crosspolarization is eliminated in geometric-optics condition when the geometries of the front fed Cassegrain compact range satisfy the Mizugutch condition.

从理论、仿真及实验三方面证明了当前馈卡塞格伦紧缩场几何布局满足圆对称条件时,从几何光学角度来看,不会产生交叉极化的这一特性;同时对紧缩场布局设计及边齿参数作了优化设计,提出优化准则,并给出设计结果;根据布局结果制造了小型前馈卡塞格伦紧缩场K2010,对其幅度特性、相位特性及交叉极化在X波段、Ku波段及Ka波段进行实验测量;根据测量结果及仿真结果,对K2010的性能进行分析及总结。

The circularly symmetric pattern for the third class of trimolecular model is studied in detail.

对第三类三分子模型的圆对称模式进行了详细的研究。

An introduction is given to the basic definition and conception of the angular momentums of the light field, and the angular momentums of a variety of cylindrical symmetric beams.

本文简单介绍了光场角动量的基本定义与概念,各类圆对称光束的角动量。