一种宽带自由空间介电测量系统

2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI:10.1109/IMWS-AMP.2015.7324930

N. Zhang, Junjie Cheng, Peng-wei Gong, Hongmei Ma

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引用次数: 2

摘要

在8GHz~40GHz频率范围的自由空间测量系统中，有两个x波段波纹喇叭单镜头天线、波导传输段、夹具、安装站、Agilent N5225A网络分析仪和一台计算机。利用网络分析仪测量样品的S11和S21计算介电常数。采用SOLT和GRL的双重校准技术，消除了样品表面多次反射引起的误差。介绍了x波段自由空间测量系统在12.4GHz~40GHz频率范围内的工作原理，并报道了一些吸波材料的测量结果。

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A broadband free-space dielectric measurement system

There are two X-band ripples horn single-lens antennas, waveguide transmission segment, fixture, a mounting station, an Agilent N5225A network analyzer and a computer in the free-space measurement system of 8GHz~40GHz frequency range. S11 and S21 of sample measured by network analyzer are used to calculate the dielectric constant. A dual calibration technique of SOLT and GRL is used to eliminate errors due to multiple reflections via the surface of the sample. How the X-band free-space measurement system works at 12.4GHz~40GHz frequency range is introduced and measurement results are reported for some absorbing material.

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来源期刊

2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

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