Zobrazeno 1 - 10 of 19 pro vyhledávání: '"Jorge Pedraza Arpasi"'
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Akademický článek
Estudo da Lei de Ampere com a hipótese do condutor de comprimento finito Ampere’s Law study with the finite length wire hypothesis
Autor: Jorge Pedraza Arpasi
Publikováno v: Revista Brasileira de Ensino de Física, Vol 45 (2023)
Neste artigo é proposto o estudo da Lei de Ampere, que é ensinado nas disciplinas de Física dos cursos de graduação em engenharias no Brasil, utilizando a hipótese do condutor de comprimento finito ao invés do condutor de comprimento infinito.
Externí odkaz: https://doaj.org/article/1c0f36bc82344bcf908e2a79300992f9
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On the non-Abelian group code capacity of memoryless channels
Autor: Jorge Pedraza Arpasi
Publikováno v: Advances in Mathematics of Communications.
In this work is provided a definition of group encoding capacity \begin{document}$ C_G $\end{document} of non-Abelian group codes transmitted through symmetric channels. It is shown that this \begin{document}$ C_G $\end{document} is an upper bound of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52610350668f7c3f89045582e507df51
https://doi.org/10.3934/amc.2020058
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5
On the Uncontrollability of Nonabelian Group Codes with Uncoded Group
Autor: Jorge Pedraza Arpasi
Publikováno v: Mathematical Problems in Engineering, Vol 2011 (2011)
Error-correcting encoding is a mathematical manipulation of the information against transmission errors over noisy communications channels. One class of error-correcting codes is the so-calledgroup codes. Presently, there are many good binary group c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::794805686558ac0a9875db06ec93e639
https://doi.org/10.1155/2011/783516
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One example of a non-Abelian group code over AWGN channels
Autor: Jorge Pedraza Arpasi
Publikováno v: CWIT
In this work is proposed a definition of G-encoding capacity for G-symmetric channels, where G is a non-Abelian semidirect product of two cyclic p-groups. Then it is shown that the 8PSK constellation transmitted over the AWGN channel has the structur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7f9796e924371c2934a749d6ee5b7fb
https://doi.org/10.1109/cwit.2015.7255165
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7
Symmetric channels capacity computation by using groups and the Kullback-Leibler distance
Autor: Jorge Pedraza Arpasi
Publikováno v: 2014 6th Computer Science and Electronic Engineering Conference (CEEC).
In this work it is proposed a method to compute the capacity of channels with finite input alphabet. This method is based on the constancy of the Kullback-Leibler distances between the different conditional probability densities of the the output alp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7093b22b1679aa4256fb08d61f209bdb
https://doi.org/10.1109/ceec.2014.6958548
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8
Capacity of symmetric finite input and continuous output channels
Autor: Jorge Pedraza Arpasi
Publikováno v: 2014 International Telecommunications Symposium (ITS).
n for any i ∈ 1, 2,...,n. Also in the above mentioned literature is given definitions of symmetric discrete channels in terms of permutations of rows and permutations of columns of the transition matrix pY |xi (yj). In this work, we will show that
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62e16cc16241cc027e9ae8c231af17a7
https://doi.org/10.1109/its.2014.6947976
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9
On the control of generic abelian group codes
Autor: Sergio Bortolin, Jorge Pedraza Arpasi
Publikováno v: 2012 4th Computer Science and Electronic Engineering Conference (CEEC).
Group Codes are a generalization of the well known Binary Convolutional Codes. For this reason Group Codes are also called Generalized Convolutional Codes. A classical binary convolutional encoder with rate k/n 2 , Zn 2 and Zm 2 , and adequate next-s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::165cca1b27578b62169837bfd0f9e903
https://doi.org/10.1109/ceec.2012.6375372
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