Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Zhang Yaojiang"'
Publikováno v:
In Journal of Magnetism and Magnetic Materials 2009 321(7):730-733
Akademický článek
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Publikováno v:
Microwave and Optical Technology Letters. 33:218-221
The metal loss of multiturn spiral inductors is known to increase dramatically under current-crowding effects at high frequencies. An equivalent circuit is derived to simulate this current crowding, including skin and proximity effects. An efficient
Finite-element analysis of dispersion and loss characteristics of groove guide with arbitrary shapes
Autor:
Zhang Yaojiang, Xu Shanjia
Publikováno v:
International Journal of Infrared and Millimeter Waves. 14:1055-1068
The dispersion and loss characteristics of groove guide with arbitrary shapes are analyzed with high-order finite element method. The effectiveness and the reliablity of the method are verified by the experiments and the results obtained by other met
Akademický článek
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Publikováno v:
6th International SYmposium on Antennas, Propagation and EM Theory, 2003. Proceedings. 2003.
Scattering matrix method is used to simulate the finite size 2D periodic structures. Coated or dielectric ring electromagnetic band gap structure is simulated and some novel properties are discussed. The numerical results show that coating layer has
Publikováno v:
ICMMT'98. 1998 International Conference on Microwave and Millimeter Wave Technology. Proceedings (Cat. No.98EX106).
The T-matrix of arbitrary shaped conducting cylinders is obtained in case of TM wave polarization. The electric field integral equation (EFIE) is solved by the method of moments (MoM), in which different orders of first-kind Bessel functions are used
Publikováno v:
ICMMT'98. 1998 International Conference on Microwave and Millimeter Wave Technology. Proceedings (Cat. No.98EX106).
Electromagnetic scattering from an eccentric multilayered cylinder with multi-cylinder inside is analyzed by an equivalent network formed by hybrid-aggregated T-matrix method and generalized scattering matrix technique. Both RCS and near-fields are p
Autor:
Zhang Yaojiang, Feng Zhenghe
Publikováno v:
2000 Asia-Pacific Microwave Conference. Proceedings (Cat. No.00TH8522).
An efficient method, which combines the high-order impedance boundary condition (HOIBC) and fast multipole algorithm (FMA), is proposed for analysis of large ferrite-coated cylinder scattering problem. The accuracy and efficiency of the method is inv
Publikováno v:
ICMMT 2000. 2000 2nd International Conference on Microwave and Millimeter Wave Technology Proceedings (Cat. No.00EX364).
RF-MEMS inductor is a crucial component in radio-frequency integrated circuits (RFIC). Partial element equivalent circuits (PEEC) method is used to model a spiral inductor as a two-port equivalent lumped circuit. Numerical examples showed that the me