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Showing 1 to 20 of 20 for “"Full-wave Analysis"”.
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Full-wave analysis of metallic structures at optical frequencies
… presents the theoretical background and the full-wave analysis of metallic structures at optical frequencies. The optical properties of metals and the related plasmonic effects are reviewed. Both the frequency-domain and time-domain methods for simulating the structures are discussed. The …
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Full-wave analysis of large conductor systems over substrate
… tool is presented for the extraction of full-wave interconnect impedances in the presence of a conducting substrate. The substrate effects are accounted for through the use of full-wave layered Green's functions in a mixed-potential integral equation (MPIE) formulation. Particularly, the …
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Efficient Full-Wave Analysis and Modeling of Interconnects by FDTD and Signal Processing Techniques
An automatic extractor of the equivalent circuit model of high-speed circuits is given. The extractor is integrated with computer-aided-design (CAD) tools. The design files are parsed and design information is projected on the Yee-like mesh. The generated parallel FDTD codes are deployed in a …
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Signal integrity analysis of high-speed multilayer interconnects using the finite element method
… based on circuit-parameter extractions and full-wave methods based on solving Maxwell's equations. Even though computationally efficient, the approaches based on circuit-parameter extractions fail to provide accurate predictions due to the increased coupling and radiation effects at high …
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Two Novel Fast Algorithms for Analysis of Low-Frequency Transient Electromagnetic Phenomena
… and stability. This fast solver can be used for full-wave analysis of high-speed electronic circuits.
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Substrate Integrated Waveguide Horn Slot Antenna Array
Substrate integrated waveguide (SIW) is a rectangular dielectric-filled waveguide, which is synthesized in a planar substrate with arrays of metallic vias to realize bilateral side walls and its transitions with planar structures. These vias act as walls of the waveguide supporting current flow, …
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Novel feeds for microstrip and slot antennas: Theory and experiment
… with novel feeds suitable for monolithic microwave integrated circuit (MMIC) applications are investigated both experimentally and theoretically, using the cavity model as well as a full-wave analysis. The input impedance of a microstrip antenna fed by an arbitrarily oriented slot in the ground …
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Analysis And Design Of Miniaturized Rf Saw Duplexer Package
… a comprehensive methodology for accurate analysis and design of miniaturized radio frequency (RF) surface acoustic wave (SAW) duplexer package. Full-wave analysis based on the three dimensional (3-D) finite element method (FEM) is successfully applied to model the package. The die model is …
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Finite difference time domain simulation of subpicosecond semiconductor optical devices
… under studying involves both electromagnetic wave propagation and semiconductor dynamic transport, which is a nonlinear phenomenon. Finite difference time domain (FDTD) technique is used to approximate the time dependent Maxwell's equations for full-wave analysis of the wave propagation. The …
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Waves in Anisotropic and Birefringent Artificial Dielectrics
… to design a functional lens if possible. The wave propagation properties of this type of medium are found using a full wave analysis. An equivalent multiport network models the modal conversion at the obstacle plane. An eiganvalue problem is then formulated to determine an effective index of …
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Efficient Finite Element Electromagnetic Analysis for High-Frequency/High-Speed Circuits And Multiconductor Transmission Lines
… circuit simulations. The solver supports wave port and lumped port excitations as well as the incorporation of lumped networks and circuit models in a distributed finite element model. An adaptive multipoint model order reduction method is developed for fast broadband analysis. (2) …
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Fast Multilevel Algorithms for the Electromagnetic Analysis of Quasi-Planar Structures
The analysis of electromagnetic scattering and radiation from quasi-planar structures is a topic of great current interest, owing to the wide range of applications. A host of structures and surfaces are included in the quasi-planar class, including rough surfaces, quantum well infrared …
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ANALYSIS AND DESIGN OF BROADBAND AND DUAL BAND MICROSTRIP ANTENNAS
… antenna elements such as dipoles, slots, and waveguide horns have operating bandwidth of 15-50%, the traditional microstrip patch element typically has an impedance bandwidth of only a few percent. For this reason much of the large volume of research and development in the area of microstrip …
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S band narrow-wall slotted waveguide antenna For high-power applications
… of novel antennas, such as the rectangular waveguide narrow-wall longitudinal-aperture antenna arrays for S band high power applications. This antenna is designed to perform as a uniform array with minimum power reflected into the feed-waveguide. Based on the configuration, the …
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Unified conformal/nonconformal domain decomposition methods for solving large-scale multi-region electromagnetic problems
… and interconnecting (FETI-DP) method for the full-wave analysis of large-scale electromagnetic problems in three dimensions. These algorithms are designed to expand the capability of the FETI-DP method to accommodate more flexible interface meshes, to achieve faster convergence of the global …
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Solution Of Electromagnetic Scattering Parameters And Radiation Patterns Of Arbitrary Body Of Revolution Radiators
A novel full wave analysis method to determine the scattering parameters and the radiation field intensities of arbitrary Body of Revolution (BOR) radiators consisting of impenetrable media is explored through derived components of modal analysis and the method of moments (MoM). Modal excitation is …
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Advanced techniques for the analysis and synthesis of reflectarray antennas with applications in near and for fields
… This thesis is devoted to the development of new analysis and synthesis techniques for reflectarrays. Special effort is made in the efficiency of those techniques. In particular, the new analysis techniques focus on an accurate and fast method of computation of the far fields based on the use of …
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Computational modeling and simulation of nonlinear electromagnetic and multiphysics problems
… and simulated using various three-dimensional full-wave methods in the time domain. The problems under consideration fall into two categories. One is nonlinear electromagnetic problems with the nonlinearity embedded in either the permeability or the conductivity of the material's constitutive …
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Nuevas herramientas software para el diseño de dispositivos pasivos de microondas basadas en elementos finitos 3D y redes neuronales
… resultantes. ABSTRACT Design of arbitrary microwave passive devices is, in general, a complex problem where different techniques and/or methods must be combined in order to achieve the desired results. This work is about efficiently obtaining those designs by using together: global optimization, …
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Incorporation of feed-network and circuit modeling into the time-domain finite element analysis of antenna arrays and microwave circuits
… modeling into the time-domain finite element analysis of antenna arrays and microwave circuits. First, simulation of an antenna system requires accurate modeling of interactions between the radiating elements and the associated feeding network. In this work, a feed network is represented in …