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In this article, deep neural network (DNN) and chain parameter methods are used to analyze the crosstalk coupling of a star‐quad and a twisted bundle of twisted wire pairs (TBTWP) cables for different excitations, respectively. A DNN is used to extract the per‐unit‐length (p.u.l) resistance, inductance, capacitance, and conductance (RLCG) parameters at any position for the star‐quad and TBTWP cables...
A multiconductor transmission line (MTL) model is developed for predicting electromagnetic wave coupling effects with multitwisted bundle of twisted‐wire pairs (MTB‐TWP) running above a ground plane. Such MTB‐TWP is described as a sequential repeated structure, where all its parameters are formulated in terms of sequences. In particular, the parametric equations of all the wires are derived and described...
To increase the density of input/output connections, the polymer‐filled through‐silicon vias (PF‐TSVs) were proposed recently. To analyze the reliability of the PF‐TSVs, multiphysics characterization is conducted in this paper. The time‐domain finite‐element method is used to cosolve the heat conduction and thermal stress equations. Temperature‐dependent materials' parameters such as thermal conductivity,...
An improved 1‐step leapfrog hybrid implicit‐explicit finite‐difference time domain method is developed for simulating tunable characteristics of graphene metasurfaces over an ultrawide terahertz band for different physical and geometrical parameters. The graphene conductivity is described by a closed‐form approximate expression and further expanded into a rational sum of complex‐conjugate pole‐residue...
One novel interconnect scheme consisting of both Cu and graphene sheet is proposed in this paper, with the advantages of both materials exploited greatly. It is shown that the introduction of graphene layers in such heterogeneous interconnect scheme can reduce its effective resistance and thereby improve its transmission performance. On the other hand, it is also demonstrated that both coated and...
Full‐wave time‐domain electromagnetic methods are usually effective in rigorously modeling and evaluating ultra‐wideband (UWB) wireless channels. However, their computational expenditures are expensive, when they are used to deal with electrically large‐size problems consisting of fine structures. In order to reduce computational time, the unconditionally stable leapfrog alternating‐direction implicit...
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