傍轴近似 meaning in English
paraxial approximation
Examples
- In chapter 2 , we discuss the optics self - focusing in beam propagation . the early research was based on the scalar approximation and paraxial approximation
早期的自聚焦研究是在考虑了傍轴近似和标量场近似的前提下得到的。 - Abstract : the intensity distribution in young ' s double pinhole interfer ence expriment is numerically calculate , and compared with the result of the nea r - axis approximation
文摘:数值计算了杨氏双孔干涉的光强分布，与傍轴近似条件下的结果作了比较，并以图形的方式显示了干涉条纹的形状 - The corresponding numerical investigations are carried out and show that for the pulses as short as sub - cycle , svea will cause the spatial singularity for both transverse and longitudinal components of the light field
在第三节里，我们考虑了超短脉冲光束在傍轴近似下的矢量传输特性，并且得到了横向场和纵向场传输的积分解。 - In this paper , on the base of paraxial approximations , we present a set of absorbing boundary conditions of 3d elastic wave equations and apply to the 3d elastic wave numerical modeling in isotropic medium
本文基于傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式，表示了各边界面、边棱和角点处波场所满足的单程波方程，并在三维弹性波数值模拟中进行了应用。 - Then the non - paraxial property of chirped pulsed beam and the variation of the non - paraxial correction induced by the variation of the pulse function are respectively discussed to illustrate the influence of the spectrum property on the non - paraxial property of the pulsed beam
首先分析了超短脉冲的光谱性质对其傍轴近似条件的影响，然后分别讨论了啁啾脉冲的非傍轴性质以及不同脉冲形式所导致的不同非傍轴特性。