查询词典 geometrical optics

The Physical Optics method and the Method of Equivalent Currents are discussed starting with the concept of RCS and the basic theory of electromagnetic scattering.

本文从雷达散射截面的概念及基本电磁散射理论入手，讨论了计算RCS的物理光学法和等效电磁流法。

A 3D physical optics model of a loaded cavity with phase disturbance is built.

建立了含相位扰动的1维流场3维物理光学负载光腔模型。

Geometry optics,physical theory of diffraction and graphic hardware.

几何光学寻迹方法和物理绕射方法的基础上，结合图形硬件对估算进行了加速，实现了对于复杂目标模型的一次

Physical optics ; optical fiber sensors ; surface plasmon resonance

物理光学；光纤传感器；表面等离子体波共振

In solving the problem of imaging through the random medium, this paper mainly applies the method of ray tracing, combined with the technology of wavefront calculations in the field of physical optics, so as to obtain a series of image evaluation results.

在处理随机介质中的光传输问题时，我们采用了光线光学的方法，结合物理光学中关于波面变形的计算，得到了一系列直观的像质评价指标。

This paper introduce a rapid RCS prediction system emX for complex targets using physical optics

摘 要 为了对复杂目标模型进行快速估算，在介绍复杂目标的RCS 计算系统emX 及其所采用的物理光学方法

The forward-backward methodology is combined with the fast multipole method and the iterative physical optics to improve convergence and computational efficiency.

详细推导了快速多极子方法结合迭代物理光学法和阻抗边界条件的混合计算公式。

To simulate exactly actual progressive of electromagnetic wave in cavities, the bottom reflection calculation in progressive physical optics is improved in this paper.

改进了行进物理光学的终端反射计算，使计算过程更符合电磁渡在腔体内部的实际传播过程。

Finally, the results of RCS computed by physical optics with NURBS models are illustrated, which verify the validity of the modeling method in Computational Electromagnetics.

最后，利用基于NURBS曲面模型的物理光学方法计算目标的RCS，通过结果的分析比较验证了该建模方法在计算电磁学领域中应用的有效性。

The image properties of plane convex SML are studied by using maxtrix optics method.

用矩阵光学方法研究平凸自聚焦透镜的成像特性。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。