简要介绍了几何绕射理论(GTD)和一致性绕射理论(utd)的基本原理。
This paper briefly introduces the basic principles of geometrical theory of diffraction (GTD) and the uniform theory of diffraction (UTD).
接着运用一致性绕射理论(utd)分析了导体圆柱上方缝隙天线的辐射特性。
Then the radiation characteristics of slot antennas located on a cylindrical conductor are analyzed using Uniform geometry theory of diffraction (UTD).
采用矩量法(MOM)结合一致性绕射理论(utd)来计算共形天线阵单元间的互耦。
The mutual coupling is calculated by a combination of method of moments (mom) with uniform theory of diffraction (UTD).
在水平和垂直极化入射下，本文理论值与已有的实验结果以及与一致性绕射理论的结果吻合较好。
For both horizontal and vertical polarizations, the theoretical results obtained in this paper agree very well with the experimental results...
针对传统的抛物线算法在计算棱边散射体时误差较大这一问题，本文引入了一致性绕射理论对其进行修正。
To eliminate the obvious error resulted by the scattering analysis of scatterers with edges by traditional PE method, Uniform Theory of Diffraction was presented to solve the problem.
在一致性几何绕射理论基础上，采用等效电流的方法给出了有限锥体在完全极化平面波照射下后向散射场的散射极化矩阵表示式。
Based on the uniform geometrical theory of diffraction, the equivalent current is used to calculate the back scattering field for the finite cone.
讨论了一致性几何绕射理论（UTD）的适用范围，并提出其适合于源离绕射边近的处理方法。
The range of application of uniform geometrical theory of diffraction (UTD) is discussed. It is pointed out that UTD is valid when a source is near the diffraction edge.
在复杂外形的电大尺寸目标的电磁散射特性计算中，由于一致性几何绕射理论(utd)的本身特点所局限，直接计算必然会带来很大的误差。
As an effective high frequency method, the uniform geometrical theory of diffraction (UTD) has been widely used for calculating RCS of electrically large complex targets.
在复杂外形的电大尺寸目标的电磁散射特性计算中，由于一致性几何绕射理论(utd)的本身特点所局限，直接计算必然会带来很大的误差。
As an effective high frequency method, the uniform geometrical theory of diffraction (UTD) has been widely used for calculating RCS of electrically large complex targets.
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