New closed-form Green's functions for microstrip structures theory and results
β Scribed by Yuehe Ge; Esselle, K.P.
- Book ID
- 114659545
- Publisher
- IEEE
- Year
- 2002
- Tongue
- English
- Weight
- 242 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0018-9480
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## Abstract Based upon threeβlevel approximation and the steepest descent path (SDP) method, we consider a robust approach for the derivation of a new class of closedβform Green's functions for microstrip structures. Some numerical results are presented for the validation of the present method. It
Closed form expressions for the Green's functions of a planar microstrip structure on an electrically thin uniaxially anisotropic substrate have been derived. The approach is to first obtain the quasi-dynamic term and refine its accuracy with a correction term valid for higher frequencies. The quasi