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Showing 1 to 10 of 10 for “"vector fitting"”.
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Broadband Macromodeling via a Fast Implementation of Vector Fitting with Passivity Enforcement
… responses. In this thesis, we will employ the vector fitting algorithm to generate a rational function representation of the system along with its state space model. Various issues on the subject will be discussed, including the recently developed fast fitting method for multiport devices. …
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Broadband Macromodeling Techniques for Interconnects and Electronic Packages
… Also, a new method is formulated based on vector-fitting method in z-domain. It has the advantage of faster convergence and better numerical stability compared to the s-domain vector-fitting method. The fast convergence of the method reduces the overall macromodel construction time. These …
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Efficient and physically consistent electromagnetic macromodeling of high-speed interconnects exhibiting geometric uncertainties
… of rational function interpolation using the Vector Fitting method to generate accurate SPICE-compatible dispersive macromodels for multiple, coupled wire bonds. Computational efficiency in the development of the macromodel is achieved by limiting the application of the field solver to only …
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System identification for black-box macro-modeling with Loewner matrix framework
… accurate and fast simulation are desirable. Vector fitting has been used in the industry for years for black-box macromodeling. Loewner matrix is newly introduced and appears to be a promisingalgorithm by its capability of handling systems with many ports. This work provides details about the …
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Improving rational modeling realization for accurate EMT simulations
… functions was explored, introducing Complex Vector Fitting (CVF) in the context of power systems. The CVF methodology significantly improved accuracy, reducing the Root Mean Square Error (RMSE) by up to eight orders of magnitude compared to the conventional Vector Fitting approach, by …
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Frequency-Domain Learning of Dynamical Systems From Time-Domain Data
… Adaptive Anderson-Antoulas Algorithm, and Vector Fitting) perform on this identified data, and compare them to the optimal-H2 model.
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Parametric Dynamical Systems: Transient Analysis and Data Driven Modeling
… of measurements. Towards this goal, we extend Vector Fitting (VF) to the parametric case, solving a global least-squares problem in both frequency and parameter. The output of this approach might lead to a moderate size reduced model. In this case, we perform a post- processing step to reduce …
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Modeling and Optimization of the Microwave PCB Interconnects Using Macromodel Techniques
L'abstract è presente nell'allegato / the abstract is in the attachment
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Rational Function Interpolation of Electromagnetic Transfer Functions of High-Speed Interconnect Systems from Discrete Time-Domain and Frequency-Domain Data
Item marked as restricted to the 'Administrator' Group (id=1) by Timothy Donohue (tdonohue@illinois.edu) on 2009-06-04T16:03:37Z Item is restricted until 2010-06-04T16:03:37Z
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Incorporation of feed-network and circuit modeling into the time-domain finite element analysis of antenna arrays and microwave circuits
In this dissertation, accurate and efficient numerical algorithms are developed to incorporate the feed-network and circuit modeling into the time-domain finite element analysis of antenna arrays and microwave circuits. First, simulation of an antenna system requires accurate modeling of …