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A novel finite-difference time-domain(FDTD) implementation, by which electromagnetic(EM) wave scattering characteristic can be analyzed for oblique incidence on stratified anisotropic plasma, is proposed. This method transforms two-dimensional electromagnetic wave scattering question to one-dimensional question, and avoids two-dimensional scattering problem by 2D FDTD method, by which the computational efficiency can be greatly improved. FDTD iterative formula of EM scattering by layered anisotropic plasma are deduced in the TEz and TMz wave oblique incidence situations, and the connection boundary(CB) and the absorbing boundary condition (ABC) in the oblique incidence situation are carried out the revision. The EM wave reflection coeffientes of the anisotropic plasma slab are calculated in the oblique incidence situation by the method. The computed results and the analytic solutions are in good agreement. The results show the accuracy and validity of the method. Finally, the algorithm is applied to calculate the reflection coefficients of the metal plate coated with the stratified anisotropic plasma under different incidence angles. The numerical results show the incidence angle have a great impact on the reflection coefficients.
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Keywords:
- finite-difference time-domain /
- oblique incidence /
- anisotropic plasma /
- uniform stratified medium
[1] Chen G B, Wang H N, Yao J J, Han Z Y, Yang S W 2009 Acta Phys. Sin. 58 1608(in Chinese)[陈桂波、汪宏年、珧敬金、韩子夜、杨守文 2008 58 1608]
[2] Ren X C, Guo L X 2009 Acta Phys. Sin. 58 1627(in Chinese) [任新成、郭立新 2009 58 1627]
[3] Li J, Guo L X, Zeng H, Han X B 2009 Chin, Phys. B 18 2757
[4] Scott C W, Panagiotis K 2005 IEEE Trans. Antennas Propag. 53 1721
[5] Moss C D, Teixeira F L, Kong J A 2002 IEEE Trans. Antennas Propag. 50 1174
[6] Jiang Y N, Ge D B 2008 Acta Phys. Sin. 57 6283(in Chinese)[姜彦南、葛德彪 2008 57 6283]
[7] Capoglu I R, Smith G S 2008 IEEE Trans. Antennas Propag.56 158
[8] Taflove A, Hagness S C 2005 Computational electrodynamics: the finite-difference time-domain method(Boston: Artech House)
[9] Ge D B, Yan Y B 2005 Finite-difference time-domain for electromagnetic wave(Xi’an: Xidian University Press) (in Chinese)[葛德彪、闫玉波 2005 电磁波时域有限差分方法(西安:西安电子科技大学出版社)]
[10] Yuan J H, Mo H D 1990 Wave in the plasma(Chendu: University of Electronic Science and Technology Press) (in Chinese)[袁敬闳、莫怀德 1990 等离子体中的波(成都:电子科技大学出版社)]
[11] Dikshitulu K K 1999 Electromagnetics of Complex Media(CRC Press)
[12] Chen Q, Katsurai M, Aoyagi P H 1998 IEEE Trans. Antennas Propagat. 46 1739
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[1] Chen G B, Wang H N, Yao J J, Han Z Y, Yang S W 2009 Acta Phys. Sin. 58 1608(in Chinese)[陈桂波、汪宏年、珧敬金、韩子夜、杨守文 2008 58 1608]
[2] Ren X C, Guo L X 2009 Acta Phys. Sin. 58 1627(in Chinese) [任新成、郭立新 2009 58 1627]
[3] Li J, Guo L X, Zeng H, Han X B 2009 Chin, Phys. B 18 2757
[4] Scott C W, Panagiotis K 2005 IEEE Trans. Antennas Propag. 53 1721
[5] Moss C D, Teixeira F L, Kong J A 2002 IEEE Trans. Antennas Propag. 50 1174
[6] Jiang Y N, Ge D B 2008 Acta Phys. Sin. 57 6283(in Chinese)[姜彦南、葛德彪 2008 57 6283]
[7] Capoglu I R, Smith G S 2008 IEEE Trans. Antennas Propag.56 158
[8] Taflove A, Hagness S C 2005 Computational electrodynamics: the finite-difference time-domain method(Boston: Artech House)
[9] Ge D B, Yan Y B 2005 Finite-difference time-domain for electromagnetic wave(Xi’an: Xidian University Press) (in Chinese)[葛德彪、闫玉波 2005 电磁波时域有限差分方法(西安:西安电子科技大学出版社)]
[10] Yuan J H, Mo H D 1990 Wave in the plasma(Chendu: University of Electronic Science and Technology Press) (in Chinese)[袁敬闳、莫怀德 1990 等离子体中的波(成都:电子科技大学出版社)]
[11] Dikshitulu K K 1999 Electromagnetics of Complex Media(CRC Press)
[12] Chen Q, Katsurai M, Aoyagi P H 1998 IEEE Trans. Antennas Propagat. 46 1739
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