paraxial approximation meaning in English
傍轴近似
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。 - Chapter 4 : in this chapter the influence of the spectrum property on the non - paraxial property of the pulsed beam is discussed : firstly the influence of the spectrum property on the paraxial approximation of pulsed beam is analysed
第四章：在这一章里讨论了脉冲频谱性质对其非傍轴特性的影响。 - 5 . without making the paraxial approximation , a detailed study on the propagation of ultrashort pulsed bessel beams in linear normal and anomalous dispersive media has been performed using the method of fourier transform
未作近轴近似的条件下，用傅立叶积分变换法详细研究了超短脉冲贝塞尔光束在正、负色散介质中的传输特性。 - 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。 - The condition , under which the paraxial approximation is valid , is given . 4 . starting from the rayleigh diffraction integral , the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ) , which allows for relatively large angles
从瑞利衍射积分公式出发，未作慢变振幅近似和近轴近似的条件下，导出了等衍射长度超短脉冲高斯光束在色散介质中非近轴传输方程，可用来处理色散介质较大角度的传输。