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Application of precise integration in waveguide discontinuities with anisotropic dielectric

Yang Hong-Wei Mu Zhen-Feng Wang Zhen

Application of precise integration in waveguide discontinuities with anisotropic dielectric

Yang Hong-Wei, Mu Zhen-Feng, Wang Zhen
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  • Received Date:  31 August 2012
  • Accepted Date:  20 March 2013
  • Published Online:  05 July 2013

Application of precise integration in waveguide discontinuities with anisotropic dielectric

  • 1. College of Applied Sciences, Beijing University of Technology, Beijing 100124, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant Nos. 11172008, 10972013).

Abstract: Waveguide discontinuities with anisotropic dielectric are simulated and analyzed by the precise integration method. The discrete coefficient matrices for the cross-section of the waveguide, which contains anisotropic dielectric, are deduced from the variational principle based on single variable corresponding to the vector wave equation. Introducing the dual-variables, the stiff matrices are calculated by using precise integration method in a Hamiltonion system. Then the problem is solved by assembling the finite elements. Numerical results show accuracy and good efficiency of the method. The influence of the components of permittivity and permeability on the waveguide transmission characteristic is also discussed.

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