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| Scattering Characteristics Based on Reconstruction of Permittivity Tensor for Anisotropic Particle |
| Received:September 27, 2017 Revised:December 15, 2017 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2017.12.017 |
| KeyWord:tensor medium reconstruction unite vector transform relation |
| Author | Institution |
| LI Jin |
1.Department of Physics and Electronic Engineering, Shaanxi Xueqian Normal University, Xi′an , China; 2.College of Electronic Information, Northwestern Polytechnical University, Xi′an , China |
| FENG Xiao-yi |
College of Electronic Information, Northwestern Polytechnical University, Xi′an , China |
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| Abstract: |
| Objective To simplify the photoelectric transmission, target scattering etc. in anisotropic medium. Methods Based on relation between electric-field vector and electric displacement vector, reconstructing tensor of dielectric constant for anisotropic medial was proposed as the universal method for diagonal tensor. Results The element expressions and corresponding unit eigenvectors of diagonal tensor were developed with detailed numerical calculation. The transformation relation of electromagnetic field in the unit characteristic vector coordinates system and the primary coordinate system and the transformation relation of permeability tensor were presented. The method was universal and the result obtained was practical. Conclusion In the domain of anisotropic media, the result is able to quantitatively transform the E.M. field and medium parameter from the eigen coordinates system to the primary coordinates system and vice versa.. |
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