MICROWAVE DIELECTRIC MEASUREMENTS OF FIBROUS CATALYST USING TRANSMISSION LINE TECHNIQUE IN THE FREQUENCY RANGE OF 1-4 GHz

被引：3
|
作者：
Aboutaleb, Adam [1 ]
Chi-Tangyie, George [2 ]
Huddersman, Katherine [2 ]
Oxley, Chris H. [1 ]
机构：
[1] De Montfort Univ, Fac Comp Sci & Engn, Leicester LE2 7DR, Leics, England
[2] De Montfort Univ, Fac Hlth & Life Sci, Leicester LE2 7GZ, Leics, England
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2014年 / 56卷 / 11期
基金：
英国工程与自然科学研究理事会;
关键词：
dielectric measurement; transmission line technique; Newton Raphson iterative method; polyacrylonitrile catalyst dielectric properties; PERMITTIVITY; ABSORPTION;
D O I：
10.1002/mop.28674
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Materials performance at microwave frequencies has generated a wide interest in recent years for commercial and industrial purposes. However, the interaction between microwave energy and iron compounds is an area where further characterization work is required. The article presents a novel optimized analytical-numerical method for conversion of smoothed transmission scattering (S-21) parameters to complex permittivity. The measurement method was validated and subsequently used to characterize the dielectric properties of modified polyacrylonitrile catalyst powder incorporating ligated iron cations. The result is compared to other published iron catalyst materials measured in the same frequency range of 1 to 4 GHz. (C) 2014 Wiley Periodicals, Inc.
引用
收藏
页码：2671 / 2676
页数：7
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