Mostrando 10 resultados de: 41
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Journal of Electromagnetic Waves and Applications(3)
Progress in Electromagnetics Research(3)
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Electronics Letters(2)
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Comments and remarks over classic linear loop-gain method for oscillator design and analysis. New proposed method based on NDF/RR <inf>T</inf>
ArticleAbstract: This paper describes a new and original method for designing oscillators based on the Normalized DetPalabras claves:Loop-Gain, NDF, Normalized Determinant Function, Oscillator, stabilityAutores:Garcia-Muñoz L.E., Gonzalez-Posadas V., José Luís Jimenéz-Martín, Parra-Cerrada A., Segovia-Vargas D.Fuentes:scopusBootstrap-based frequency estimation method
ArticleAbstract: In this paper, the bootstrap method was used to estimate the frequency of a signal. Here, the periodPalabras claves:Bootstrap, Frequency estimation, Resampling, Sample meanAutores:C. Calderon Cordova, Carlos Calderon-Cordova, González-Garcia J.E., González-Posada V., José Luís Jimenéz-Martín, Parra-Cerrada A., Sergyienko O., W. Hernández Perdomo, Wilmar Hernandez, Zato J.G.Fuentes:googlerraaescopusBroadband (1-16 GHz) balanced MMIC GaAs pHEMT LNA for radio astronomy applications
Conference ObjectAbstract: A broadband (1-16 GHz) balanced MMIC low noise amplifier (LNA) using 100-nm GaAs pHEMT technology isPalabras claves:70nm InP HEMT, BROADBAND, Low Noise Amplifier, Noise figure, Radio astronomy, stabilityAutores:Garcia-Muñoz L.E., Gonzalez-Posadas V., José Luís Jimenéz-Martín, Parra-Cerrada A., Segovia-Vargas D.Fuentes:scopusBroadband differential low-noise amplifier for active differential arrays
ArticleAbstract: In this paper, differential low-noise amplifiers are presented as a very powerful solution for radioPalabras claves:Active array, active impedance, differential low-noise amplifier (LNA), Radio astronomyAutores:Garcia-Muñoz L.E., García-Pérez O., Gonzalez-Posadas V., José Luís Jimenéz-Martín, Segovia-Vargas D.Fuentes:scopusAnalysis of new active antenna with a patch as feed-back network, using the NDF Method
ArticleAbstract: This paper shows the design of an active patch antenna. First, an analysis of the electric field insPalabras claves:Autores:Gonzalez-Posadas V., José Luís Jimenéz-Martín, Parra-Cerrada A., Segovia-Vargas D.Fuentes:scopusA comparative example between the use of PCA and MDS for image classification
Conference ObjectAbstract: In this paper, a practical comparison is performed between the use of the principal component analysPalabras claves:Autores:Camejo I.M., González-Posada V., Ivanov M.V., José Luís Jimenéz-Martín, Kolendovska M., Mendez A., Omar Flor-Unda, Rodriguez-Quinonez J.C., Sergyienko O., Wilmar HernandezFuentes:scopusA low cost, high performance PLDRO for a 28 GHz LMDS system
Conference ObjectAbstract: LMDS system in the band 28-31 GHz using 64QAM as modulation scheme requires local oscillators whosePalabras claves:Autores:José Luís Jimenéz-Martín, López F., Menoyo J.G., Notario M.B.Fuentes:scopusA method of image classification by using multidimensional scaling
Conference ObjectAbstract: In this paper, a method for image classification based on multidimensional scaling (MDS) is presentePalabras claves:Autores:Balleteros F., Camejo I.M., González-Posada V., Ivanov M.V., José Luís Jimenéz-Martín, Mendez A., Pablo Alejandro Quezada-Sarmiento, Ruiz-Pico A.A., Tyrsa V.V., Wilmar HernandezFuentes:scopusA method to classify digital images by means of statistics of a wavelet decomposition
Conference ObjectAbstract: There is a wide variety of methods for the analysis of textures and the extraction of image charactePalabras claves:Autores:Balleteros F., González-Posada V., Héctor F. Chinchero, José Luís Jimenéz-Martín, Mendez A., Patricia Acosta-Vargas, Rasa Zalakeviciute, Wilmar HernandezFuentes:scopusCurrent-to-Frequency Converter Based Photometer Circuit
ArticleAbstract: In this article, the design of a photometer circuit based on a current-to-frequency converter is prePalabras claves:Current-to-frequency converter (CFC), current-to-voltage converter (CVC), photometer circuit, relative proximity coefficient, transimpedance amplifierAutores:F. Jose Arques-Orobon, Gonzalez-Posadas V., José Luís Jimenéz-Martín, Mendez A., Wilmar HernandezFuentes:scopus