English translation for "paraxial approximation"

傍轴近似

Related Translations:

paraxial:  傍轴的，近轴的等轴旁轴的轴旁的

paraxial value:  傍轴值

paraxial marginalray:  近轴边缘光

paraxial region:  近轴范围, 傍轴区

paraxial vegion:  傍轴区

paraxial focus:  傍轴焦点近轴焦点旁轴焦点

paraxial zone:  傍轴带

paraxial rod:  副轴杆

paraxial condition:  傍轴条件

paraxial ray:  傍轴光线傍轴射线近轴光线旁轴光线旁轴射线

Example Sentences:

	1.	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。
	2.	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。
	3.	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。
	4.	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。
	5.	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。
	6.	Firstly , in the paper a family of integral solution representing ultrashort pulsed beam propagating in free space have been studied by using the co - moving frame coordinates and the fourier transformation for time variable in terms of well - known paraxial approximation . and the pulsed gaussian - like beam solution can be obtained as a especial solution of the integral solution , where including the pulsed gaussian beam 首先利用傅立叶变换和惠更斯-菲涅尔衍射积分公式，我们给出了傍轴标量场近似下超短脉冲光束传输的基本积分解，并进一步得到了用卷积形式表示的脉冲类gauss光束解( pulsedgaussian - likebeam )的普遍形式解。
	7.	But the complex analytical signal ( cas ) theory can erase this spatial sigu - larity . in this section , gauss , hyperbolic and lorentz pulsed gaussian beam have been derived and compared svea and cas solution by numerical simulatio n . in section 3 , by using fourier transform technique and applying the paraxial approximation in frequency domain , we derive an integral solution for the transverse and longitudinal components of the light field propagating in free space 接着，考虑了几种特殊的脉冲gauss光束( pulsedgaussianbeam ) ，结果显示，在此情况下缓变包络近似( slowly - varyingenvelopeapproximation )理论已不再有效，其失效的原因是，该理论导致了脉冲光束解的空间奇异性，并使脉冲光束不再具有符合物理意义的光束行为，而通过复解析信号的分析方法可以消除这种空间奇异性。

Similar Words：

"parawollastonite" English translation, "parawollatonite" English translation, "paraxanthine" English translation, "paraxazone" English translation, "paraxial" English translation, "paraxial beam" English translation, "paraxial condition" English translation, "paraxial constant" English translation, "paraxial electron flow" English translation, "paraxial equation" English translation