scholarly journals MEASUREMENT METHOD OF THE TRANSMITTED COEFFICIENT IN THE UHF BAND ELECTROMAGNETIC WAVE BY THE PARALLEL WIRE LINE

2007 ◽  
Vol 72 (618) ◽  
pp. 1-6 ◽  
Author(s):  
Dapeng WANG ◽  
Shinji KAWABE ◽  
Tetsuo IKEDA ◽  
Ryou MATSUNAMI ◽  
Tetsuya INAYOSHI
Keyword(s):  
Electromagnetic Wave ◽  
Measurement Method ◽  
Parallel Wire ◽  
Transmitted Coefficient ◽  
Uhf Band

scholarly journals Energy and angular momentum transfers from an electromagnetic wave to a copper ring in the UHF band

2017 ◽  
Vol 18 (2) ◽  
pp. 137-143 ◽  
Author(s):  
Olivier Émile ◽  
Christian Brousseau ◽  
Janine Émile ◽  
Kouroch Mahdjoubi
Keyword(s):  
Angular Momentum ◽  
Electromagnetic Wave ◽  
Copper Ring ◽  
Uhf Band

Characteristic Evaluation of Multiple Layers Microwave Absorber Coated with Biomass Composite

2016 ◽  
Vol 850 ◽  
pp. 88-92 ◽  
Author(s):  
Hasnain Abdullah ◽  
Asmalia Zanal ◽  
Mohamad Hakim Ahya Ilmudin ◽  
Mohd Nasir Taib ◽  
Juliana Md Sharif ◽  
...  
Keyword(s):  
Composite Material ◽  
Electromagnetic Wave ◽  
Composite Materials ◽  
Free Space ◽  
Measurement Method ◽  
Microwave Absorber ◽  
Dielectric Measurement ◽  
Space Environment ◽  
Absorbing Material ◽  
Performance Development

Radiation Absorbing Material (RAM) is used to absorb radiations of electromagnetic wave surrounding us. Thus, the multiple layers’ microwave absorber using biomass composite materials could be one of the solutions to address the problem. In order to effectively absorb the radiation of electromagnetic wave, the multiple layers’ absorber is characterized to optimize the performance of the absorber. The characterization is made by varying biomass composite material contents, thickness and other possible considerations. CST Microwave Studio software is first used to design and simulate the multiple layers’ absorber to estimate its performance. Development of multiple layers’ prototype is carried out to test its performance at free space environment. Free space dielectric measurement method is used to determine the value of multiple layers’ absorber dielectric. The dielectric value is then used in CST software in order to make the simulation more precise. Free space arch which is connected to Agilent Analyzer is used to measure absorption of multiple layers’ microwave absorber.

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