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An efficient approach to modeling of quasiplanar structures using the formulation of power conservation in spectral domain

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2 Author(s)
Tongqing Wang ; Dept. de Genie Electr. et de Genie Inf., Ecole Polytech., Montreal, Que., Canada ; Ke Wu

An enhanced spectral domain approach (SDA) is developed for analysis of complex quasi-planar transmission lines. The method is based on a combination of the spectral domain formulation and power conservation theorem. The relationship between electric and magnetic fields is established inside dielectric layers by using the conventional SDA while the characteristic equation related to interface conditions is derived through the power conservation theorem. Maintaining the inherent advantages of the SDA, this technique is able to easily handle more complex quasi-planar structures. Generalized power formulation is also presented to calculate characteristic impedance. Convergence behavior is discussed considering the nature of power conservation. Various finlines with finite thickness of conductors are analyzed to demonstrate its applications

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:43 ,  Issue: 5 )