Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/46622
Title: Transmission line matrix modelling of microwave circuits and structures
Authors: Gosling, Ian Gilbert.
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 1997
Abstract: The Transmission Line Matrix (TLM) method was first proposed by P. B. Johns [1] in 1971. TLM is a simulation technique which sets up an equivalence between elec-tromagnetic field and transmission line parameters such as voltage and current. In its typical form, TLM is a time-domain numerical method based on the differential form of Maxwell's equations, and belongs to the same class of numerical techniques as time-domain finite-difference (FDTD) and finite element methods. However, the TLM method differs from the others in that its formulation is based on the wave propagation properties of electromagnetic fields, obedience to Maxwell's equations in particular being enforced subsequently during the theoretical derivation of the method. Application of the method requires that the problem space to be simulated be discretized into a 2D or 3D mesh or "matrix" of transmission lines. Three steps [2] are usually involved in the TLM algorithm: First of all, the source, e.g., an incident plane wave, is transformed into voltage pulses on the transmission lines. Then the evolution of the source disturbance within the mesh is implemented in terms of scattering and transfer events [3], which actually simulate Huygen's principle of wave propagation.
Description: 214 p.
URI: http://hdl.handle.net/10356/46622
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Research Reports (Staff & Graduate Students)

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