Procházení dle data publikování
Zobrazují se záznamy 101-120 z 56009
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On radio interference filter measurement
(IEEE, 2003-12)A new measurement method for on site testing of multiport radio interference filters (RIF) on shielded chamber is designed. The method is based on scalar measurement only and makes possible a pessimistic estimate of the ... -
Wideband VIP power divider with differential output
(IEEE, 2003-12)A novel wideband VIP power divider with out of phase outputs was designed and experimentally verified. The phase difference 180° ±5° and the amplitude difference ± 0.8 dB of output signals were achieved in 4-26 GHz frequency ... -
Automatic FPGA based implementation of a classification tree
(IEEE, 2004)We propose a method of automatic hardware implementation of a decision rule based on the Adaboost algorithm. We review the principles of the classification method and we evaluate its hardware implementation cost in term ... -
Central Elements of Effect Algebras
(2004) -
Visualization of leaky waves on planar transmission lines
(IEEE, 2004-05)This paper presents a visualization of leaky waves excited by delta-gap sources on planar transmission lines, namely the 2nd surface and space leaky modes on the slotline, and the dominant and surface leaky modes on the ... -
Fabrication of AI203 and AIN thin films by reactive sputtering and its optimization using DOE
(IEEE, 2004-05)Thin films of Al2O3 and AlN have been fabricated by reactive sputtering using magnetron sputtering equipment. A mixture of Ar and O2 has been used for the fabrication of Al2O3 films, and a mixture of Ar and N2 has been ... -
Testing of Normality of Data Files for Application of SPC Tools
(IEEE, 2004-05)Different types of statistical tests have been used for evaluation of the normality of selected data files. The files have been simulated to be on the border of normality. The results of the tests have been compared. It ... -
Influence of trimming of resistive thick films on nonlinearity of their current vs. voltage characteristics
(IEEE, 2004-05)Investigation of changes of nonlinearity of thick resistive films, trimmed by laser and by grinding, has been carried out. Laser trimming has been realized by an Ar laser, mechanical trimming by grinding of the layer by a ... -
AdaBoost with Totally Corrective Updates for Fast Face Detection
(IEEE, 2004-05)An extension of the AdaBoost learning algorithm is proposed and brought to bear on the face detection problem. In each weak classifier selection cycle, the novel totally corrective algorithm reduces aggressively the upper ... -
Dispersion Characteristics of the Dominant Mode on a Completely Shielded Conductor-Backed Slotline
(IEEE, 2004-06)This paper presents an analysis of a completely shielded conductor-backed slotline using the spectral domain technique. Attention is paid to dominant and higher order modes with even symmetry of the transversal electric ... -
Radial Radon Transform dedicated to Micro-object Localization from Radio Frequency Ultrasound Signal
(IEEE, 2004-08)In this paper we describe a method for automatic electrode localization in soft tissue from a radiofrequency signal. The method exploits a property of the Radon transform (RT) that allows us to localize a line-segment in ... -
Inter-stage Feature Propagation in Cascade Building with AdaBoost
(IEEE, 2004-08)A modification of the cascaded detector with the Ada-Boost trained stage classifiers is proposed and brought to bear on the face detection problem. The cascaded detector is a sequential classifier with the ability of early ... -
Epipolar Geometry Estimation via RANSAC Benefits from the Oriented Epipolar Constraint
(IEEE, 2004-08)The efficiency of epipolar geometry estimation by RANSAC is improved by exploiting the oriented epipolar constraint. Performance evaluation shows that the enhancement brings up to a two-fold speed-up. The orientation test ... -
High-Dimensional Mutual Information Estimation For Image Registration
(IEEE, 2004-10)We present a new algorithm for mutual information estimation for image registration based on the nearest neighbor entropy estimator of Kozachenko and Leonenko. We modify the algorithm to be numerically robust and computationally ... -
First results of microwave measurement of broadband radio interference filters
(IEEE, 2004-12)A vector measurement method for testing multiport interference filters for shielded chambers has been used. Measured data up to 3 GHz are presented. The authors believe that this is the first time such results have been published. -
A New Concept of PTP Vector Network Analyzer
(IEEE, 2004-12)A new concept for vector network analyzers design based on a perturbation two-port (PTP) is presented. The approach uses redundant states of the PTP. The best states of the PTP for a certain place in Smith chart and frequency ... -
Ontology Driven Voice-Based Interaction in Mobile Environment
(Schloss Dagstuhl International Conference and Research Center for Computer Science, 2005)In this paper we are presenting a prototype of a voice user interface that allows users to interact with the mobile knowledge management system, which is being developed at Czech Technical University in Prague. The primary ... -
Influence of Interconnection Surface Finishes on Quality of Adhesive Joints
(IEEE, 2005)Electrically conductive adhesives electrically connect and mechanically bond circuits to a variety of substrates. Four different silver-filled isotropically conductive adhesives have been used for attaching of 1206 chip ... -
Dějiny architektury pravěku a starověku
(Vydavatelství ČVUT, 2005)