This paper briefly introduces the basic principles of geometrical theory of diffraction (GTD) and the uniform theory of diffraction (UTD).

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。

youdao

Based on the uniform geometrical theory of diffraction, the equivalent current is used to calculate the back scattering field for the finite cone.

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。

youdao

Ray path tracing is a key step to apply geometrical theory of diffraction in solving the problems of high frequency electromagnetic scattering and radiating.

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。

youdao