A 2D design and modeling of micro strip structures on inhomogeneous substrate

Abstract

The wave concept iterative process method (WCIP) is presented for full wave investigation of a microwave structure on inhomogeneous substrate. These structures can be exploited to achieve a high performance due to their versatility, which can reduce manufacturing cost, size, and weight. Using the spectral operator in the WCIP method permits to resolve this inhomogeneous problem. The use of the spectral operator keeps the advantages of the 2D mesh of the circuit plan. Two different examples are studied; the dispersion characteristics of a microstrip transmission line on inhomogeneous substrate and a microstrip Tresonator on a low temperature Co-fired ceramic (LTCC) with embedded vertical air cavities. Compared with measurement and the finite different method, the present technique is found to be efficient with 2D analysis and a required low memory.

Modeling of Waveguide Filter Using Wave Concept Iterative Procedure

“…The latter is based on the method of the moments. This method is very interesting since it is employed by the majority of the most important editors of electromagnetic simulators [9]. An evaluation of the number of fundamental operations in the iterative method (F.W.C.I.P) and the method of moments showed that starting from a certain density of grid of the study structure (Figure 3), the economy in a number of operations, therefore in computing times, is then considerable and widely justices the use of the F.W.C.I.P.…”

“…Then there are described extensively in [9] and [10]. The small guide is a 2D periodic guide, and the bases functions are exponential.…”

Optimizing computing time in the wave iterative method by RLS and SFTF algorithms

“…This is proven in several research works. [1][2][3][4][5] The iterative method is absolutely convergent, [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] but in some cases of electronic circuits the number of iterations required to reach a stable value is relatively high. The numerical complexity of the studied circuit is related to the number of cells describing the structure requiring a fine mesh.…”

Studying an Inductive Iris by an Optimized 1D-WCIP Method based on a Phase Jump Fast Mode Transform (PJFMT)

“…The wave iterative method (WCIP) (Wave Concept Iterative Process) is an integral method based on wave concept for solving problems of electromagnetic diffraction and analysis of planar circuits [1][2][3][4][5][6][7][8]. It is based on the manipulation of incident and reflected waves instead of electromagnetic field [1][2][3][4].…”

“…It is based on the manipulation of incident and reflected waves instead of electromagnetic field [1][2][3][4]. It is mainly based on two equations, one in the spatial domain and the other in the spectral domain.…”