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.
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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