Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Ondrej Krajsa"'
Publikováno v:
International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, Vol 2, Iss 3, Pp 122-128 (2013)
Multimedia networks is an emerging subject that currently attracts the attention of research and industrial communities. This environment provides new entertainment services and business opportunities merged with all well-known network services like
Externí odkaz:
https://doaj.org/article/e0583abf29b64bd687c200195bb3e8f6
Publikováno v:
Communications, Vol 15, Iss 2A, Pp 167-173 (2013)
The article focuses on the performance analyses of Turbo Codes. These codes belong to the group of error correction codes. By their use, it is possible to achieve high system performance. The performance analysis is based on simulations for different
Externí odkaz:
https://doaj.org/article/53a9fcf7bfa74a9984fdc6ad0d638fa7
Publikováno v:
2022 14th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f117d63e118483dcccf393472156cb5
https://doi.org/10.1109/icumt57764.2022.9943391
https://doi.org/10.1109/icumt57764.2022.9943391
Publikováno v:
ICUMT
This paper deals with design of digital bandpass filters for fixed-point arithmetic that fulfills requirements of IEC 61260–1 standard for fractional-octave-band filters. The filters use coupled form and downsampling that provides good approximatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59bec9ffb354b431808ddcb238b44f7d
https://doi.org/10.1109/icumt.2018.8631255
https://doi.org/10.1109/icumt.2018.8631255
Autor:
Miloslav Filka, Vit Novotny, Radim Sifta, Petr Munster, Ondrej Krajsa, Tomas Horvath, Petr Sysel
Publikováno v:
Metrology and Measurement Systems, Vol 22, Iss 1, Pp 111-118 (2015)
METROL MEAS SYST. 2015, vol. [22], issue [1], p. 111-118.
METROL MEAS SYST. 2015, vol. [22], issue [1], p. 111-118.
A sensing system utilizing the standard optical fiber as a distributed sensor for detection and localization of the mechanical vibrations is presented. Vibrations can be caused by various external factors like moving people, cars, trains, and other o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd60cc6f8d73ec78f73e060dc675f94c
https://doi.org/10.1515/mms-2015-0009
https://doi.org/10.1515/mms-2015-0009
Publikováno v:
Measurement Science Review. 2015, vol. 15, issue 2, p. 58-63.
Measurement Science Review, Vol 15, Iss 2, Pp 58-63 (2015)
Measurement Science Review, Vol 15, Iss 2, Pp 58-63 (2015)
This study deals with the distance estimation issue in low-power wireless systems being usually used for sensor networking and interconnecting the Internet of Things. There is an effort to locate or track these sensor entities for different needs the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::92fddb76573494700779411100ea0e14
https://hdl.handle.net/11012/201324
https://hdl.handle.net/11012/201324
Publikováno v:
TSP
A great extension of the Fiber To The Home (FTTH) services is provided by Internet service providers through using the Passive Optical Networks (PON) technology. Another technology offered by telecommunication companies is VDSL2. These providers offe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43d1ef53e950c2f60a8b92c2d1c2b4be
https://doi.org/10.1109/tsp.2013.6613904
https://doi.org/10.1109/tsp.2013.6613904
Autor:
Ondrej Krajsa, Lucie Fojtova
Publikováno v:
TSP
In recent years, more and more network applications appear to require an accurate knowledge of the Internet station geographical positions in order to operate properly. Real geo-position could play a part in many location-based applications. A typica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55da9b181c439fece0f7e2db14e79431
https://doi.org/10.1109/tsp.2011.6043737
https://doi.org/10.1109/tsp.2011.6043737
Publikováno v:
TSP
The multicarrier modulations (MCM) became widely used and have been applied to wire and wireless transmission systems in recent years. This modulation techniques enable a near-perfect utilization of the provided frequency band on metallic cables and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9fe495e3726ecd6ea9a964120496053
https://doi.org/10.1109/tsp.2011.6043677
https://doi.org/10.1109/tsp.2011.6043677
Autor:
Pavel Silhavy, Ondrej Krajsa
Publikováno v:
Discrete Time Systems
Multitone modulations are today frequently used modulation techniques that enable optimum utilization of the frequency band provided on non-ideal transmission carrier channel (Bingham, 2000). These modulations are used with especially in data transmi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9662eb90787d29bd219fb9489f67e194
https://doi.org/10.5772/14030
https://doi.org/10.5772/14030