IMPROVED GENERALIZED ADMITTANCE MATRIX TECHNIQUE AND ITS APPLICATIONS TO RIGOROUS ANALYSIS OF MILLIMETER-WAVE DEVICES IN RECTANGULAR WAVEGUIDE

Authors: Han, Shi; Wang, Xi; Fan, Yong

Source: International Journal of Infrared and Millimeter Waves, Volume 27, Number 10, October 2006 , pp. 1391-1402(12)

Publisher: Springer

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Abstract:

An improved generalized admittance (GAM) matrix technique is presented in this paper. Matrix transformation eliminates the singularity factor of GAM, denominator (1+Γ), because of new presentations of GAM. The relationship equations between II-port current and I-port incidence wave is computed by mode matching method. The generalized scattering matrix (GSM) of waveguide structure and its discontinuity problems is obtained with relationship equations and reflection coefficients. The GSM's of millimeter-wave multistepped bend and T-junction in rectangular waveguide are computed by the improved GAM technique. The results comparisons between the proposed method and commercial software HFSS10.0 show the validity of the proposed method, which improves the validity of the GAM technique and reduces mathematical efforts. It is general, very efficient and can be used to solve other complicated and multiport network problems.

Keywords: generalized admittance matrix; multistepped bend; rectangular waveguide; T-junction; millimeter-wave

Document Type: Research article

DOI: http://dx.doi.org/10.1007/s10762-006-9173-9

Affiliations: 1: Email: hanshihu@gmail.com

Publication date: 2006-10-01