Zobrazeno 1 - 10
of 91
pro vyhledávání: '"L. Magafas"'
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 8, Iss 1, Pp 34-40 (2015)
In this study we present results of the evaluation of q − triplet of Tsallis non-extensive statistics concerning two time stock market time series, Standart & Poor’s 500 (S & P) 500 and TVIX. The analysis of the results, support the hypothesis
Externí odkaz:
https://doaj.org/article/9ad4df45465f4ec8b72a0a40bb3ffa64
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 9, Iss 2, Pp 47-49 (2016)
In the present work the development of a new, very low cost, simple to manufacture and use, optical sensing device for remote, on line detection of the type of fuels used in ships, is presented. The main goal of this optical sensing device is the o
Externí odkaz:
https://doaj.org/article/26987c04a4644c9ea1ec4b9fdc680170
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 8, Iss 1, Pp 16-18 (2015)
This paper applies non linear methods to analyze the weekly gold prices close index .The aim of the analysis is to quantitatively show if the corresponding time series is a deterministic chaotic one and its predictable. For this purpose the correla
Externí odkaz:
https://doaj.org/article/afe7e51b10b849059ab4957d53494440
Autor:
L. Magafas, M. P. Hanias
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 2, Iss 1, Pp 113-117 (2009)
In this paper we use a new scientific field called “DemoscopoPhysics” based on chaos theory to predict the Hellenic Na-tional election results in the form of time series for Hellenic political parties, New Democracy (ND), Panhellenic Socialistic
Externí odkaz:
https://doaj.org/article/95a33527acf0420e908d596b01d816b6
Autor:
L. Magafas, M. P. Hanias
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 2, Iss 1, Pp 8-11 (2009)
In this paper we will be trying to cross predict a multivariate time series of a single transistor chaotic circuit using neural networks. For this purpose we investigate the influence of a number of first and second order near neighbors in predicting
Externí odkaz:
https://doaj.org/article/c89a1762b2294c1883e92be26c5ff513
Autor:
L. Magafas, A. Valaristos, A.N. Miliou, A.N. Anagnostopoulos, S.G. Stavrinides, K. Kosmatopoulos, S. Papaioannou
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 2, Iss 1, Pp 82-86 (2009)
The experimental study of a secure chaotic synchronized communication system is presented. The synchronization betweentwo digital chaotic oscillators, serving as a transmitter-receiver scheme, is studied. The oscillators exhibit rich chaotic behavior
Externí odkaz:
https://doaj.org/article/2111b9bf9f7444f6a21ed8282cb91381
Autor:
L. Magafas, M. P. Hanias
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 2, Iss 1, Pp 104-112 (2009)
In this paper we use chaos theory to predict the Hellenic Euro election results in the form of time series for Hellenic political parties New Democracy (ND), Panhellenic Socialistic Movement (PASOK), Hellenic Communistic Party (KKE) , Coalition of th
Externí odkaz:
https://doaj.org/article/085b915ca9e2448c8cda35ae4dc27c13
Autor:
L. Magafas
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 1, Iss 1, Pp 41-44 (2008)
In the present work optical sensors of the form Al/a-SiC:H/c-Si(n), for different thickness of a-SiC:H thin films are stud-ied. More specifically, a-SiC:H thin films were deposited by rf sputtering technique on c-Si(n) substrates for different thickn
Externí odkaz:
https://doaj.org/article/4f2c4d0b1d7f4e889d0ca9e0b6e9c037
Autor:
L. Magafas
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 1, Iss 1, Pp 4-8 (2008)
The aim of the present work is to study the optimization of the electrical and optical properties of a-SiC:H Schottky di-odes using thermal annealing process to a-SiC:H thin films in the range from 300oC up to 675oC. The films were depos-ited onto c-
Externí odkaz:
https://doaj.org/article/b500b93a9d644bbd94eabe53b7064566
Autor:
L. Magafas
Publikováno v:
Active and Passive Electronic Components, Vol 26, Iss 2, Pp 63-70 (2003)
In the present work, Schottky diodes of Al/a-SiC:H included in the structure Al/a-SiC:H/c-Si(n)/Al were fabricated and their optical response was studied in the wavelength region from 350 nm up to 1000 nm, for different substrate temperatures, Ts (fr
Externí odkaz:
https://doaj.org/article/3b5caddbe4084adca79b7fd1ebaea297