您要查找的是不是：
- The causticals phenomena of electromagnetic wave propagation in concave reflector antennas are studied by Symplectic Geometrical Theory. 摘要采用辛几何方法分析凹形反射面上电磁波传播的焦散现象。
- Study on Electromagnetic Wave Propagation in a Two-Dimension Reflector Antenna by Symplectic Geometrical Theory 二维反射面天线上电磁波传播的辛几何方法
- Study of the scattering field in the caustic region of a two-dimensional concave antenna based on symplectic geometrical theory 基于辛几何理论的二维凹面天线焦散区散射场
- symplectic geometrical theory 辛几何理论
- On the basis of the differential geometry, the geometrical theory of machining free form surface by cylindrical cutter in 5-axis NC machine tool is investigated. 从微分几何学的角度,探讨了在五坐标数控机床上采用圆柱形刀具线接触加工自由曲面的几何学原理,分析了刀具面与被加工曲面二阶密切的条件。
- The basic equations for electro-magnetic wave-guide problems are derived to Hamilton system formulation and symplectic geometric form. 以不同截面形状的波导和部分填充波导为例进行了计算和分析,数值算例表明,辛体系用于电磁波导分析是有效的。
- A hybrid technique for combining moment methods (MM) with the uniform geometrical theory of diffraction (UTD) was employed to calculate the radiation pattern of the aircraft antenna. 采用矩量法(MM)结合一致性几何绕射理论(UTD)的混合方法计算了机载单极天线的辐射方向图。
- Then geometrical theory of diffraction method is used to analyze and compute diffractive field of the area except for offset paraboloidal antenna's front axis, and it is the difficulty of the paper. 接下来,本文运用几何绕射理论方法,对偏焦抛物反射面天线前轴向区以外区域的绕射场进行了分析和计算,这一部分是本文的难点。
- In design of anechoic chamber with higher quality, when requirements of quiet zone index are higher, it must use the geometrical theory of diffraction instead of the geometrical optics for accuracy. 在高性能微波暗室技术设计中,由于静区指标较高,采用一般的几何光学技术不能进行准确计算,因此需采用几何绕射理论技术。
- Geometrical Theory of Diffraction 衍射的几何原理
- the Geometrical Theory of Diffraction (GTD) 几何绕射理论
- uniform geometrical theory of diffraction 一致性几何绕射理论
- geometrical theory of diffraction (GTD)model GTD模型
- geometrical theory of diffraction(GTD) 几何绕射理论
- geometrical theory of reliability index 可靠指标的几何原理
- General relativity or the general theory of relativity is the geometric theory of gravitation published by Albert Einstein in 1915. 广义相对论或广义相对论是爱因斯坦1915年发表的引力几何理论。
- Geometrical theorems grew out of empirical methods. 几何定理是从经验得出的。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- I entirely approve of that theory. 我完全赞成那种理论。
- Kaluza and Klein noticed that Einstein's geometric theory of gravity might provide this connection if an additional spatial dimension existed, making spacetime five-dimensional. 卡鲁扎和克莱恩注意到，如果有一个额外的空间维度存在，则时空变成五个维度，那麽爱因斯坦关于重力的几何理论便能提供这种关联。
