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To analyze the time-varying plasma, a modified finite-difference time-domain (LTJEC-FDTD) algorithm is derived. By using Laplace transform and inverse Laplace transform, we can deduce the FDTD iteration expression for calculating 3D time-varying problem from Maxwell equation and plasma constitutive equation. The iteration expression is proven to be correct by mode-coupling theory, while the correctness of the relevant boundary is tested by calculating the radar cross-section (RCS) of plasma sphere. So, the method is suitable to the calculation of time-varying plasma. Then, the RCS of complex time-varying plasma object is also analyzed.
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Keywords:
- time-varying plasma /
- radar cross-section /
- mode-coupling theory /
- finite difference time domain method
[1] Joshi C J, Clayton C E, Marsh K 1990 Plasma Sci. 18 814
[2] Wilks S C, Dawaon J M, Mori W B 1988 Phys. Rev. Lett. 61 337
[3] Kuo S P, Ren A 1993 Plasma Sci. 21 53
[4] Kalluri D K, Goteti V, Sessler A M 1993 Plasma Sci. 21 77
[5] Liu S B, Mo J J, Yuan N C 2004 Acta Phys. Sin. 53 783 (in Chinese) [刘少斌, 莫锦军, 袁乃昌 2004 物理学报 53 783]
[6] Yang L X, Wang Y J, Wang G 2009 Acta Electron. Sin. 12 2711 (in Chinese) [杨利霞, 王祎君, 王刚 2009 电子学报 12 2711]
[7] Mendonca J T, Oliveira E, Silva L 1996 Plasma Sci. 24 147
[8] Yang L X, Ge D B, Wei B 2007 Acta Phys. Sin. 56 4509 (in Chinese) [杨利霞, 葛德彪, 魏兵 2007 物理学报 56 4509]
[9] Ge D B, Yan Y B 2011 Finite-Difference Time-Domain Method for Electromagnetic Wave (3rd Ed.) (Xi'an: Xidian University Press) (in Chinese) [葛德彪, 闫玉波 2011 电磁波时域有限差分方法 (第三版) (西安: 西安电子科技大学出版社)]
[10] Zheng K S, Ge D B, Wei B 2004 Syst. Engineer. Electron. 26 896 (in Chinese) [郑奎松, 葛德彪, 魏兵 2004 系统工程与电子技术 26 896]
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[1] Joshi C J, Clayton C E, Marsh K 1990 Plasma Sci. 18 814
[2] Wilks S C, Dawaon J M, Mori W B 1988 Phys. Rev. Lett. 61 337
[3] Kuo S P, Ren A 1993 Plasma Sci. 21 53
[4] Kalluri D K, Goteti V, Sessler A M 1993 Plasma Sci. 21 77
[5] Liu S B, Mo J J, Yuan N C 2004 Acta Phys. Sin. 53 783 (in Chinese) [刘少斌, 莫锦军, 袁乃昌 2004 物理学报 53 783]
[6] Yang L X, Wang Y J, Wang G 2009 Acta Electron. Sin. 12 2711 (in Chinese) [杨利霞, 王祎君, 王刚 2009 电子学报 12 2711]
[7] Mendonca J T, Oliveira E, Silva L 1996 Plasma Sci. 24 147
[8] Yang L X, Ge D B, Wei B 2007 Acta Phys. Sin. 56 4509 (in Chinese) [杨利霞, 葛德彪, 魏兵 2007 物理学报 56 4509]
[9] Ge D B, Yan Y B 2011 Finite-Difference Time-Domain Method for Electromagnetic Wave (3rd Ed.) (Xi'an: Xidian University Press) (in Chinese) [葛德彪, 闫玉波 2011 电磁波时域有限差分方法 (第三版) (西安: 西安电子科技大学出版社)]
[10] Zheng K S, Ge D B, Wei B 2004 Syst. Engineer. Electron. 26 896 (in Chinese) [郑奎松, 葛德彪, 魏兵 2004 系统工程与电子技术 26 896]
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