绕射理论 meaning in English
diffraction theory
Examples
- The text even explores the method to build the building database and computes the field intensity based on geometrical optics and consistency diffraction theory
本文还探索了自动建立建筑物数据库的方法,基于几何光学和一致性绕射理论对跟踪射线的场强进行了计算。 - And then a hybrid technique combining ddm with eb - fem , po , and ptd is given for the analysis of electromagnetic scattering by electrically large bodies with deep cavities
在此基础上,将ddm与eb一fem 、物理光学法、物理绕射理论相结合,分析了带有深腔的电大尺寸三维导体目标的电磁散射特性。 - The model is based on the theory of physical optics ( po ) , geometry theory of diffraction ( gtd ) and uniform theory of diffraction ( utd ) , and it can compute and analyze the propagation of em wave in microcellular environments by using improved ray tracing method
该模型基于物理光学( po ) 、几何绕射理论( gtd ) 、一致性绕射理论( utd ) ,利用改进的射线跟踪法对微蜂窝中电波传播特性进行了数值分析计算。 - Abstract : the more detailed mathematial derivation and analysis of watson transformation in diffraction theory of ground wave is made by two different method . in derivation necessary and approximate conditions requred to make the transformation are specially discussed
文摘:采用两种不同的方法对地波绕射理论中的瓦特松变换问题做了较详细地数学推导,并着重讨论了做瓦特松变换的要求的必要条件与近似条件。 - Since the problem of feature extraction from 2 - d radar data can be approached as a parametric modeling and parameter estimation problem , the 2 - d type - discriminated geometric theory of diffraction based ( td - gtd ) model that discriminate between the localized and distributed scattering centers of the target is presented
在对目标散射中心的建模与参数估计中,提出采用更贴近散射机理的、特征含量更为丰富的二维散射中心模型?区分局域性与展布式散射中心类型的几何绕射理论( td - gtd )模型。