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The modeling and design of substrate integrated waveguide (SIW) circuits requires sophisticated electromagnetic solvers, which provide reliable results, fast computing time, and high flexibility to fully exploit the potential of SIW technology. This paper presents the outline of the full-wave analysis of SIW circuits by the Boundary Integral-Resonant Mode Expansion (BI-RME) method. In addition, the...
This paper outline the basic theory and describes the most significant applications of the MoM/BI-RME method for the modeling of planar periodic structures and printed circuits. The MoM/BI-RME method is based on the solution of an integral equation by the Method of Moments (MoM) with entire-domain basis functions. In the case of arbitrarily shaped domains, the basis functions are calculated numerically...
This paper presents recent advances in the electromagnetic modeling of substrate integrated waveguide (SIW) components. In particular, the modeling of different aspects is discussed, namely the dispersion characteristics, the losses, and the overall device simulation. The different modeling approaches, based on semi-analytical formulas, full-wave simulations and equivalent circuits are presented.
This paper presents some recent advances in the electromagnetic modeling and design of substrate integrated waveguide (SIW) components. The modeling of losses in SIW structures is discussed in details, and a new formula for the calculation of the attenuation constant due to radiation loss is introduced. In addition, an efficient technique for the modeling of arbitrarily shaped SIW components is discussed:...
This paper presents the outline of the major numerical techniques adopted for the modeling and design of substrate integrated waveguide (SIW) circuits, along with their applications to the design of SIW components and circuits. Particular emphasis is given to the Boundary Integral-Resonant Mode Expansion (BI-RME) method and to the automatic derivation of equivalent circuit models of SIW discontinuities,...
This paper presents a novel physical-based approach for the broadband modeling of printed periodic structures. This approach is based on the use of the MoM/BI-RME method: this method is an efficient integral-equation technique that adopts entire-domain basis functions. By exploiting the physical nature of these basis functions (which are related with the modes of a 2D resonator), an RLC equivalent...
This paper presents an efficient technique for the evaluation of different types of losses in substrate integrated waveguide (SIW). This technique is based on the Boundary Integral-Resonant Mode Expansion (BI-RME) method in conjunction with a perturbation approach. This method also permits to derive automatically multimodal and parametric equivalent circuit models of SIW discontinuities, which can...
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