...nts 摘要： 应用一种基于入射和反弹射线法(shooting-and-bouncing ray,SBR)以及一致性绕射理论(uniform theory of diffraction,UTD)的射线跟踪方法,主要研究了在3.5 GHz频段上发射天线的高度、位置等对城市环境中路径损耗特性的影响..
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...办公室环境中存在隔断的情况，分别利用绕射场频域分析方法和时域一致性绕射理论(Time-DomainUniformTheoryofDiffraction，TD-UTD)分析了UWB信号经隔断边缘的绕射特性。
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时域一致性绕射理论 TD-UTD
一致性几何绕射理论 UTD ; uniform geometrical theory of diffraction ; Uniform Theory of Diffraction
和一致性几何绕射理论 Uniform Theory of Diffraction
在一致性几何绕射理论 uniform geometrical theory of diffraction
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).
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