Zobrazeno 1 - 10
of 15
pro vyhledávání: '"José Ricardo Cárdenas Valdez"'
Autor:
José Ricardo Cárdenas Valdez, Mauro Berber Palafox, Christian Gontrand, José Cruz Núñez Pérez
Publikováno v:
Programación Matemática y Software, Vol 4, Iss 1 (2012)
This paper is focused on a model for the power amplifier considering the memory effects in short terms, this work was developed for periodic signals through Matlab software and was implemented in Simulink. This model for the power amplifier implement
Externí odkaz:
https://doaj.org/article/a14a710a8fae41be86624bef3eecba86
A Comparison of Surrogate Behavioral Models for Power Amplifier Linearization under High Sparse Data
Autor:
Jose Alejandro Galaviz-Aguilar, Cesar Vargas-Rosales, José Ricardo Cárdenas-Valdez, Daniel Santiago Aguila-Torres, Leonardo Flores-Hernández
Publikováno v:
Sensors, Vol 22, Iss 19, p 7461 (2022)
A good approximation to power amplifier (PA) behavioral modeling requires precise baseband models to mitigate nonlinearities. Since digital predistortion (DPD) is used to provide the PA linearization, a framework is necessary to validate the modeling
Externí odkaz:
https://doaj.org/article/6d9fc854609b4fbf9cb5bb6c8d6865c5
Autor:
José Ricardo Cárdenas-Valdez, Jose Alejandro Galaviz-Aguilar, Cesar Vargas-Rosales, Everardo Inzunza-González, Leonardo Flores-Hernández
Publikováno v:
Sensors, Vol 22, Iss 3, p 1176 (2022)
The signal conditioning treatment to achieve good relation of power with radio-frequency (RF) conversion in conventional transceiver systems require precise baseband models. A developed framework is built to provide a demonstration of the modeling fi
Externí odkaz:
https://doaj.org/article/7e14aa2cd2cb43efb3b0ab7015694fb3
Autor:
Claudia Elizabeth Pérez-Trujillo, Lilia Marisol Galicia-Santos, Raul Leon-Paredes, José Ricardo Cárdenas-Valdez, Andrés Calvillo-Téllez
Publikováno v:
Pädi Boletín Científico de Ciencias Básicas e Ingenierías del ICBI. 10:134-138
El desarrollo de sistemas de monitoreo de variables desde una perspectiva de cobertura amplia, en lugares remotos, con la necesidad de telemetría en tiempo real sin acceso a energía y que funcionen por largos periodos, hace que las tecnologías act
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9afe4a4e4a2213c87540bed8690cdd42
https://doi.org/10.29057/icbi.v10iespecial6.9211
https://doi.org/10.29057/icbi.v10iespecial6.9211
Autor:
José Ricardo Cárdenas-Valdez, Manuel de Jesús García-Ortega, Ángel Humberto Corral-Domínguez, Paul Javier Campos-Hernández
Publikováno v:
Pädi Boletín Científico de Ciencias Básicas e Ingenierías del ICBI. 10:204-207
En este trabajo de investigación se desarrolla un sistema de radio frecuencia (RF) bajo modulación QPSK para la transmisión de señales biomédicas como EMG y ECG en la banda de los 2 GHz. El sistema se implementa mediante un transceptor que opera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::905d9672d41a5124669d3163cf4a1214
https://doi.org/10.29057/icbi.v10iespecial4.9332
https://doi.org/10.29057/icbi.v10iespecial4.9332
Autor:
Jose Alejandro Galaviz-Aguilar, Cesar Vargas-Rosales, José Ricardo Cárdenas-Valdez, Yasmany Martínez-Reyes, Everardo Inzunza-González, Yuma Sandoval-Ibarra, José Cruz Núñez-Pérez
Publikováno v:
Applied Sciences, Vol 11, Iss 7, p 2942 (2021)
In this paper, we present an adaptive modeling and linearization algorithm using the weighted memory polynomial model (W-MPM) implemented in a chain involving the indirect learning approach (ILA) as a linearization technique. The main aim of this pap
Externí odkaz:
https://doaj.org/article/c8a3fa34d0f64cb3b4422e4cedc429ed
Autor:
Abraham Flores-Vergara, Everardo Inzunza-González, Enrique Efren García-Guerrero, Oscar Roberto López-Bonilla, Eduardo Rodríguez-Orozco, Juan Miguel Hernández-Ontiveros, José Ricardo Cárdenas-Valdez, Esteban Tlelo-Cuautle
Publikováno v:
Entropy, Vol 21, Iss 3, p 268 (2019)
Profiling and parallel computing techniques in a cluster of six embedded systems with multiprocessors are introduced herein to implement a chaotic cryptosystem for digital color images. The proposed encryption method is based on stream encryption usi
Externí odkaz:
https://doaj.org/article/92c81048fff7494080bbd309abc9690e
Autor:
José Ricardo Cárdenas Valdez, Edgar Allende Chavez, Gamaliel Entrambasaguas Leon, José Cruz Núñez Pérez, Rodrigo Yaoctzin Serrato Andrade, Aldo Bonilla Rodriguez, José Alejandro Galaviz Aguilar
Publikováno v:
2018 International Conference on Mechatronics, Electronics and Automotive Engineering (ICMEAE).
The present paper shows the full design and implementation in VHDL code of the sequential least squares algorithm to obtain the coefficients of the memory polynomial model. This model was selected to perform the behavioral modeling of power amplifier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f6ede96633212681dbd2dae325f07a3
https://doi.org/10.1109/icmeae.2018.00039
https://doi.org/10.1109/icmeae.2018.00039
Autor:
José Alejandro Galaviz Aguilar, José Ricardo Cárdenas Valdez, J. Apolinar Reynoso Hernández, Christian Gontrand, José Cruz Núñez Pérez
Publikováno v:
Programación Matemática y Software. 5:29-36
Este artículo describe el diseño e implementación de un sistema de predistorsión digital (DPD) sin memoria para la linealización de amplificadores de potencia. El prototipo del sistema y la arquitectura se implementaron usando un kit de desarrol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4ff51362a654d44418eaadfbf9a029a
https://doi.org/10.30973/progmat/2013.5.2/5
https://doi.org/10.30973/progmat/2013.5.2/5
Autor:
JOSÉ RICARDO CÁRDENAS VALDEZ
Publikováno v:
Centro de Investigación y Desarrollo de Tecnologí Digital, IPN
IPN
Repositorio CITEDI IPN
IPN
Repositorio CITEDI IPN
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::53345a9a9825bb73c42664c54bfbc062
http://mexculture.citedi.mx/handle/123456789/1424
http://mexculture.citedi.mx/handle/123456789/1424
