paraxial equation meaning in English
傍轴方程
Examples
- Such conclusion is given : shorten the fresnel shu , shorten the obscuration ’ s area percent and shorten the equivalent diffraction distances will improve the optical quality . ( 4 ) the nonlinear paraxial equation is understood to analyze the n slabs ’ hot - image rule
得出在高功率固体激光装置中应缩小散射点的菲涅耳数和散射面积比,控制散射点的等效衍射距离,使散射点接近等效衍射距离为零,即像面的位置。 - Based on this , i adopt the theory of probability and statistic to establish the obscuration ’ s model ; adopt the theory of diffraction to analyze the linear propagation of obscuration ; adopt the theory of nonlinear paraxial equation to comprehend the nonlinear propagation of obscuration
基于此,本文采用概率与统计理论建立了散射点模型,并在此基础上从衍射理论出发分析散射点的线性传输规律,从非线性近轴波动方程出发分析散射点的非线性传输规律。 - Based on the nonlinear paraxial equation and b - t theory , a differential equation , which describes the small - scale self - focusing in gain ( loss ) media has been derived . the change rule of the maximal gain frequency , cutoff frequency and integral exponential gain have been analyzed approximately
我们首先从非线性近轴波方程出发，基于b - t理论的思想，在考虑了介质的增益(损耗)特性的情况下，推导得出了小尺度自聚焦所满足的微分方程，并通过近似方法分析了最大增长频率、截止空间频率及积分指数增益等的变化规律。 - At first , we describe the optical keer effect induced by the 3rd order nonlinear effect , then we introduce the nonlinear paraxial equation and b - t theory . after describing the approximations adopted to arrive at the paraxial equation , the limitations of b - t theory have been identified
我们首先介绍了三阶非线性引起的光克尔效应，由此引出了描述非线性介质中光传输的近轴波方程以及用于分析小扰动增长的b - t理论，同时叙述了近轴波方程的近似条件及b - t理论的不足。