With a two dimensional problem as an example, the effect of scattering from wall of anechoic chamber on planar near field measurements with ultra low sidelobe antennas is studied by means of computer simulation based on theory of plane wave spectrum expansion and approximation in geometrical optics.
以二维问题为例 ,基于平面波谱展开理论和几何光学近似 ,利用计算机模拟的方法研究了暗室墙壁散射对超低副瓣天线平面近场测量的影响 ,得到了一些基本的规律和有用的结
Based on geometrical-optics approximation (GOA) of forward scattering by a gradient refractive index (GRIN) sphere, a further extension of the method to the on-axis Gaussian beam scattering of a transparent gradient refractive index spherical particle is developed.
基于梯度折射率(GRIN)球对平面波前向散射的几何光学近似(GOA),推导出GRIN球对在轴高斯波束散射的GOA。
Using the improved visual graph and geometry approximation algorithm this paper solves each stage-problem.
首先以可视图法所建的求解环境为基础,将避障路径规划转化为一个多阶段决策问题,对于每一个阶段的子问题,应用改进可视图法和几何逼近算法进行求解,得出各阶段的最短路径,最后对避障路径规划进行动态规划求解。
Geometrical-optics Approximation of Light Scattering by Particles
粒子光散射的几何光学近似方法研究
Geometrical-Optics Approximation of on-Axis Gaussian Beam Scattering by a Gradient Refractive Index Sphere
梯度折射率球对在轴高斯波束散射的几何光学近似
Nature of Light, Geometrical Optics, and Gaussian Approximation, Wave Optics, Interference of Light, Coherence, Polarization of Light, Diffraction of Light.
光的性质、动光学、何光学及高斯近似、的干涉、干性、的偏振、的绕射、些重要的应用实例。
Approximation algorithms for data management in geometric networks
几何网络中静态数据管理问题的近似策略
New Model Based on Delta-P_1 Approximation for Biological Tissue
基于Delta-P_1近似的生物组织光学模型
The Differentiation and Relation Among Geometrical Optics, Undulatory Optics and Quantum Optics;
几何光学、波动光学和量子光学的区别与联系
Study on Gray Scale Deviations in Three-Dimensional Volumetric Display System Based on Geometric Approximation
体三维显示系统中基于几何近似法的灰度偏差研究
Its subsidiary basin is of geometry characteristics similar to them.
其次级盆地具有与之相似的几何学特征。
Near Axis Theory in Optics--A Discussion of Optical Path Calculation in Geometrical Optics;
光学中的傍轴理论——关于几何光学光路计算的几点讨论
These three laws form the basis of what is called geometrical optics.
这三条定律构成了所谓几何光学的基
Geometrical optics solution for surface polarimetric scattering of camouflage materials
伪装材料表面偏振散射的几何光学解
The model and the prototype are geometrically similar.
模型与原型为几何相似。
The light-encoded filaments are like rays of light that hold a geometric form of language.
光编码细丝像光的射线，它拥有几何学语言形态。
Study of Simulate Fulfilling the Process of Light Path and Image Formation;
几何光学光路及成像过程模拟实现的研究
The Propagation of Generalized Hypergeometric Beams in ABCD Optical Systems
广义超几何光束在ABCD光学系统中的传播
The Foundation of Analytic Geometry and Its Function in Modern Science Cognition;
解析几何的创立及其在近代科学认识上的作用
Review and Thinking of Research on Plan Geometry Teaching in the Past 20 Years in China;
近20年我国平面几何教学研究的回顾与思考
Morphologic research of proximal tibia in normal Chinese
国人正常胫骨近端几何形态学的初步研究