scholarly journals Complex Permittivity and Permeability Measurements and Numerical Simulation of carbonyl iron rubber in X-Band frequency

2014 ◽  
Vol 30 (2) ◽  
pp. 419-425 ◽  
Author(s):  
Adriano Luiz de Paula ◽  
Marcelo Bender Perotoni ◽  
Adriana Medeiros Gama ◽  
Luiz Alberto de Andrade

2009 ◽  
Vol 105 (7) ◽  
pp. 07A528 ◽  
Author(s):  
R. B. Yang ◽  
C. Y. Tsay ◽  
D. S. Hung ◽  
W. F. Liang ◽  
Y. D. Yao ◽  
...  


2011 ◽  
Vol 3 (1) ◽  
pp. 59-64 ◽  
Author(s):  
Adriano Luiz de Paula ◽  
Mirabel Cerqueira Rezende ◽  
Joaquim José Barroso


2008 ◽  
Vol 368-372 ◽  
pp. 1028-1030 ◽  
Author(s):  
Dong Lin Zhao ◽  
Hong Feng Yin ◽  
Yong Dong Xu ◽  
Fa Luo ◽  
Wan Cheng Zhou

Three-dimensional textile SiC fiber reinforced SiC composites with pyrolytic carbon interfacial layer (3D-SiC/C/SiC) were fabricated by chemical vapor infiltration. The microstructure and complex permittivity of the 3D textile SiC/C/SiC composites were investigated. The flexural strength of the 3D textile SiC/C/SiC composites was 860 MPa at room temperature. The real part (ε′) and imaginary part (ε″) of the complex permittivity of the 3D-SiC/C/SiC composites are 9.11~10.03 and 4.11~4.49, respectively at the X-band frequency. The 3D-SiC/C/SiC composites would be a good candidate for structural microwave absorbing material.









Frequenz ◽  
2020 ◽  
Vol 74 (3-4) ◽  
pp. 163-167
Author(s):  
Chuang Yang

AbstractThis paper presents a position-independent reflection-only method for determining complex permittivity and permeability of a sample. In this method, both the short and match calibration kits are used to measure the reflection coefficients. Only one sample positioned arbitrarily is measured using a one-port vector network analyzer (VNA), while the complex permittivity and permeability of the sample are determined simultaneously. Experimental results in X-band for the Acrylonitrile Butadiene Styrene plastic (ABS) are included to exhibit the validity of the proposed method. The results show that the complex permittivity and permeability determined by the proposed method have a good agreement with the parameters determined by the well-known Nicolson–Ross–Weir (NRW) method. In addition, a magnetic material is simulated to further validate the proposed method.



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