Results 211 to 220 of about 2,004 (263)
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Electroplated planar transformers
XI Brazilian Power Electronics Conference, 2011Planar transformers are ideal for power electronic applications where high-density energy processing capabilities and low energy losses are required, however, ferrite core weight and volume are still an issue in some applications, e.g. very thin-profile boards and planar assemblies.
M. T. Koizumi +4 more
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Medial Axis Transformation of a Planar Shape
IEEE Transactions on Pattern Analysis and Machine Intelligence, 1982The medial axis transformation is a means first proposed by Blum to describe a shape. In this paper we present a 0(n log n) algorithm for computing the medial axis of a planar shape represented by an n-edge simple polygon. The algorithm is an improvement over most previously known results interms of both efficiency and exactness and has been ...
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Fourier transformation with a planar holographic doublet
Optics Letters, 1995The use of a single off-axis holographic lens for Fourier transformation results in phase errors that degrade its performance. A configuration of two identical off-axis holographic elements is proposed for performing Fourier transformation without phase errors. Such a configuration can be readily folded to form a compact and cascadable element that can
S, Reinhorn +3 more
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Compact thermal model of planar transformers
2017 MIXDES - 24th International Conference "Mixed Design of Integrated Circuits and Systems, 2017In the paper the compact thermal model of planar transformers and the methods of measuring parameters existing in this model are presented. The network form of such a model is proposed and self and mutual transient thermal impedances existing in this model are defined.
Krzysztof Górecki, Krzysztof Gorski
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IEEE Transactions on Microwave Theory and Techniques, 1999
A transformer with two overlapping windings etched on either side of a planar substrate is presented in this paper. It performs an impedance transformation with a 3.3 ratio within a small area. A simple model is derived, based on well-known formulas for transmission lines and inductance factors of multiple conductors. Magnetic and electric coupling are
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A transformer with two overlapping windings etched on either side of a planar substrate is presented in this paper. It performs an impedance transformation with a 3.3 ratio within a small area. A simple model is derived, based on well-known formulas for transmission lines and inductance factors of multiple conductors. Magnetic and electric coupling are
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Quadratic Transformation for Planar Mapping of Implicit Surfaces
Journal of Mathematical Imaging and Vision, 2012zbMATH Open Web Interface contents unavailable due to conflicting licenses.
József Molnár, Dmitry Chetverikov
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Thermal characterisation of planar transformers
27th International Spring Seminar on Electronics Technology: Meeting the Challenges of Electronics Technology Progress, 2004., 2005Planar inductors and transformers are widely used today in various electronic applications either as stand alone devices or integrated in the printed circuit board (PCB) of the electronic assembly. In the frame of co-operation the Slovenian partner in a bilateral Romanian-Slovenian co-operation has presented an idea regarding the development of a DC/DC
P. Svasta +3 more
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A thermal model for planar transformers
4th IEEE International Conference on Power Electronics and Drive Systems. IEEE PEDS 2001 - Indonesia. Proceedings (Cat. No.01TH8594), 2005As planar technology is finding its way into applications replacing the conventional wire wound magnetic components, new design tools for these components are needed. As thermal problems can be a limiting factor for an electronic system, a thermal model should be part of the design process.
A. Lewaiter, B. Ackermann
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Optimizing the performance of planar transformers
Proceedings of Applied Power Electronics Conference. APEC '96, 2002Planar transformers are a good solution for high frequency switching-mode power supplies (SMPS). Since these kind of transformers have some advantages that improve the SMPS performance, their use is growing. Some of the high frequency parasitics can be drastically reduced due to their planar geometry and the proximity of the windings.
R. Prieto +4 more
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Augmented planar reflective symmetry transform
The Visual Computer, 2008Symmetry has been playing an increasing role in 3D shape processing. Recently introduced planar reflective symmetry transform (PRST) has been found useful for canonical coordinate frame determination, shape matching, retrieval, and segmentation. Guided by the intuition that every imperfect symmetry is imperfect in its own way, we investigate the ...
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