Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Tomáš Huszaník"'
Publikováno v:
Acta Electrotechnica et Informatica, Vol 19, Iss 4, Pp 21-28 (2020)
The exponential increase in transmission capacity triggered the era of fast and reliable data transfer techniques through fiber optic networks. This has led to the exploration of new options in the field of spectrally efficient systems suitable for
Externí odkaz:
https://doaj.org/article/3407302f2bee4add808ce9f03bc54dde
Publikováno v:
Journal of Communications Software and Systems, Vol 14, Iss 4, Pp 367-375 (2018)
Passive optical networks are considered to be the most promising solution for future access networks. Growing demand for capability and high bit rate transmission has become an important part of metropolitan optical communication networks in recent y
Externí odkaz:
https://doaj.org/article/c1777e9b5449466e9c390a578a875422
Publikováno v:
Open Computer Science, Vol 11, Iss 1, Pp 218-223 (2021)
This paper investigates the transmission performance of 16-channel DWDM (Dense Wavelength Division Multiplexing) system with two complex Optical Differential Quadrature Phase Shift Keying modulator configurations using 2 LiNb MZM (Mach-Zehnder Modula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::076893e2a686b62cf89796608b3b1182
https://doaj.org/article/da0939ae99e5414ebbc2b8725b37c4ca
https://doaj.org/article/da0939ae99e5414ebbc2b8725b37c4ca
Publikováno v:
COMPUTING AND INFORMATICS; Vol. 39 No. 6 (2020): Computing and Informatics; 1250–1281
This paper identifies and analyses some drawbacks of the logistic map which is still one of the most used chaotic maps in image encryption algorithms. As some of the disadvantages are caused by inappropriate implementations of the logistic map, this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36ba15da020b61e14b4ed5114143e0ca
https://doi.org/10.31577/cai_2020_6_1250
https://doi.org/10.31577/cai_2020_6_1250
Publikováno v:
Carpathian Journal of Electronic and Computer Engineering. 11:44-49
The need for high capacity and bandwidth in broadband communication systems increased rapidly in a few past years. Optical fiber is now the major transmission medium for fast and reliable communication replacing the old copper-based connections. Howe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9500028dbd1e74f0205f401741e304e0
https://doi.org/10.2478/cjece-2018-0018
https://doi.org/10.2478/cjece-2018-0018
Publikováno v:
Carpathian Journal of Electronic and Computer Engineering. 11:33-39
Optical fiber has the great advantages of capacity and reliability. That is why network providers started to deploy FTTx (Fiber-To-The-x) optical access using various PON (Passive Optical Network) architectures. The leading technology right now is Gi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e55ab8ed26a92a81a27f18c6994e3ba
https://doi.org/10.2478/cjece-2018-0006
https://doi.org/10.2478/cjece-2018-0006
Publikováno v:
Open Computer Science, Vol 8, Iss 1, Pp 135-141 (2018)
Nowadays, wireless optical systems are very popular because they offer a a lot of advantages including high speed transmission, high security levels, and low maintenance costs. One of these wireless optical systems is Free Space Optics (FSO). However
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe7a9630fc92044918294a2f58a74013
https://doi.org/10.1515/comp-2018-0013
https://doi.org/10.1515/comp-2018-0013
Autor:
P. Ivaniga, David Solus, Michal Márton, Tomáš Ivaniga, Lubos Ovsenik, Tomáš Huszaník, Jakub Oravec, Jan Turan
Publikováno v:
PRZEGLĄD ELEKTROTECHNICZNY. 1:115-119
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5939e58208a8457edddef553e1303b3
https://doi.org/10.15199/48.2018.04.28
https://doi.org/10.15199/48.2018.04.28
Publikováno v:
Journal of Electrical Engineering. 69:93-105
This paper describes an image encryption algorithm which utilizes chaotic logistic map. Values generated by this map are used in two steps of algorithm which shuffles image pixels and then changes their intensities. Design of the encryption scheme co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55204446d4eee894e1873e3e54159f29
https://doi.org/10.2478/jee-2018-0013
https://doi.org/10.2478/jee-2018-0013
Publikováno v:
Carpathian Journal of Electronic and Computer Engineering, Vol 10, Iss 2, Pp 15-20 (2017)
Fiber optics communication systems support broadband data services and internet applications. This requires high data speed at low cost. Optical modulation plays key role in designing DWDM (Dense Wavelength Division Multiplex) systems. Optical modula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::92028a4bc60b7c50ac5c56a73c68a8a7
http://cjece.ubm.ro/vol/10-2017/n2/1710.11-10203.pdf
http://cjece.ubm.ro/vol/10-2017/n2/1710.11-10203.pdf