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A Method for Determining Vector Reflection Coefficient Based on Scalar Amplitude
IEEE Antennas and Wireless Propagation Letters ( IF 4.2 ) Pub Date : 2020-03-01 , DOI: 10.1109/lawp.2020.2968458
Yunpeng Zhang , Yang Zhou , Tianqi Feng , Yong Gao , En Li , Juan Zhou

Short-circuited reflection method is usually used to characterize the dielectric property of materials. When using the method, the extraction of the vector reflection coefficient (VRC) of the metal-backed sample is the key to determine the complex permittivity of the sample. Traditionally, the VRC is measured by a vector network analyzer associated with the transmission line or the antenna. In this letter, a method for determining the VRC using a scalar network analyzer is presented, which requires only one perturbation-two-port network composed of a standard sample layer. Based on the amplitude of the VRC, the phase of the VRC can be determined by the proposed rigorous analytical algorithm. The proposed method has been confirmed theoretically and experimentally, and the applicability of the method is analyzed.

中文翻译:

一种基于标量幅度确定矢量反射系数的方法

短路反射法通常用于表征材料的介电特性。使用该方法时,金属背衬样品的矢量反射系数(VRC)的提取是确定样品复介电常数的关键。传统上,VRC 由与传输线或天线相关联的矢量网络分析仪测量。在这封信中,提出了一种使用标量网络分析仪确定 VRC 的方法,该方法只需要一个由标准样本层组成的扰动双端口网络。基于 VRC 的幅度,VRC 的相位可以通过所提出的严格分析算法来确定。所提出的方法已得到理论和实验的证实,并分析了该方法的适用性。
更新日期:2020-03-01
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