NDLI: Robust technique based on transition matrix method to electromagnetic characterisation of anisotropic material

Content Provider	IET Digital Library
Author	Zarifi, Davoud Soleimani, Mohammad Abdolali, Ali Oraizi, Homayoon
Abstract	This study presents a parameter retrieval technique based on the state space approach for the electromagnetic characterisation of biaxial anisotropic structures. First, the formulation of a 4 × 4 transition matrix method for the analysis of forward scattering problems is reviewed; then a procedure for the extraction of the constitutive tensor parameters of a biaxial anisotropic medium from the knowledge of reflection and transmission coefficients is implemented. In the proposed retrieval method, scattering parameters are employed for a plane wave incident normally and obliquely on a biaxial anisotropic slab. This characterisation algorithm is based on the state transition matrix and its properties in the biaxial anisotropic layers are presented as two theorems. In this method, it is not necessary to solve directly the wave equation in complex media and then apply the boundary conditions. To demonstrate the validity of the proposed method, the constitutive parameters of two non-dispersive and dispersive biaxial anisotropic slabs at microwave frequencies are retrieved. From the numerical results, one can find out that when the scattering parameters are combined with the properties of a state transition matrix, a robust technique is provided for the parameter retrieval of the anisotropic structures.
Starting Page	632
Ending Page	641
Page Count	10
ISSN	17518725
Volume Number	8
e-ISSN	17518733
Issue Number	Issue 9, Jun (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/8/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2013.0438
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2014-02-25
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Anisotropic Material Anisotropic Media Anisotropic Structures Biaxial Anisotropic Layer Biaxial Anisotropic Slab Biaxial Anisotropic Structures Complex Media Constitutive Tensor Parameter Dispersive Biaxial Anisotropic Slabs Electromagnetic Characterisation Electromagnetic Wave Electromagnetic Wave Propagation Electromagnetic Wave Reflection Electromagnetic Wave Scattering Electromagnetic Wave Transmission Forward Scattering Problem Microwave Frequency Parameter Retrieval Parameter Retrieval Technique Reflection Coefflcients Retrieval Method Scattering Parameter State Space Approach State Transition Matrix Transition Matrix Method Transmission Coefflcients Wave Equation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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