Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jiri Hruska"'
Autor:
Edward Kassem, Jiri Blumenstein, Ales Povalac, Josef Vychodil, Martin Pospisil, Roman Marsalek, Jiri Hruska
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2019, Iss 1, Pp 1-16 (2019)
Abstract This paper presents an outdoor long-range (from 315 m up to 5.3 km) fixed channel campaign for both ultra high frequency and super high frequency bands with co-polarized horizontal and vertical antenna configurations. It investigates the cha
Externí odkaz:
https://doaj.org/article/944efce5b6fd411b8f7c6c17a4c7dd61
Autor:
Ales Povalac, Martin Pospisil, Jiri Hruska, Edward Kassem, Josef Vychodil, Roman Marsalek, Jiri Blumenstein
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2019, Iss 1, Pp 1-16 (2019)
EURASIP Journal on Wireless Communications and Networking. 2019, vol. 2019, issue 1, p. 1-16.
EURASIP Journal on Wireless Communications and Networking. 2019, vol. 2019, issue 1, p. 1-16.
This paper presents an outdoor long-range (from 315 m up to 5.3 km) fixed channel campaign for both ultra high frequency and super high frequency bands with co-polarized horizontal and vertical antenna configurations. It investigates the channel char
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fb78ae09dacccbc20ead7d891353bbd
http://link.springer.com/article/10.1186/s13638-019-1505-2
http://link.springer.com/article/10.1186/s13638-019-1505-2
Publikováno v:
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA).
The paper presents hyperbolic lens horn antenna for fixed-beam millimeter wave backhaul system. The frequency ranges of 71/76 GHz and 81/86 GHz (E-band) which are perspective for the future point-to-point 5G communications are fully covered. The diel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b4a4b5719564adac1f6de5874f54ac0
https://doi.org/10.1109/radioelektronika49387.2020.9092359
https://doi.org/10.1109/radioelektronika49387.2020.9092359
Autor:
Jan Uher, Jiri Hruska
Publikováno v:
AIP Conference Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51ec28d2f5149259f75e84d8a7ccd3e8
https://doi.org/10.1063/1.5081656
https://doi.org/10.1063/1.5081656
Publikováno v:
Plant and Soil. 219:103-116
Root systems of two mature Field maple trees (Acer campestre L.) growing in both shaded and non-shaded sites, on clay soil in an urban environment, were analyzed by ground penetrating radar (GPR), light microscope and sap flow techniques. The ground
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0793429bb964f992d80fe066bc767427
https://doi.org/10.1023/a:1004736310417
https://doi.org/10.1023/a:1004736310417
Autor:
Jiri Hruska, Gerald Fuchs
Publikováno v:
Journal of Applied Geophysics. 41:293-312
Urban area of ancient Ephesos (present Turkey) is too large to be fully excavated, so geophysical prospection and mapping can help with the investigation. Georadar is one of the most effective tools for it. Two different tasks solved by georadar are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24b93544d82a065a9247ac2733697c81
https://doi.org/10.1016/s0926-9851(98)00048-2
https://doi.org/10.1016/s0926-9851(98)00048-2
Publikováno v:
Tree physiology. 19(2)
A ground-penetrating radar (GPR) technique was used to study the three-dimensional distribution of root systems of large (DBH = 14 to 35 cm) oak trees (Quercus petraea (Mattusch.) Liebl.) in relatively dry, luvisoil on loamy deluvium and weathered gr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ded8d6b47021cb9f54ce382f43bb392
https://pubmed.ncbi.nlm.nih.gov/12651592
https://pubmed.ncbi.nlm.nih.gov/12651592
Autor:
Frantisek Hubatka, Jiri Hruska
Publikováno v:
SPIE Proceedings.
As a result of extreme precipitation in July 1997, hundreds of landslides have developed on flysch slopes of the Carpathian mountain system in eastern part of the Czech Republic, endangering large inhabitated areas. In this situation, quick and cost-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a846388a6fd95489804182e2c82475b
https://doi.org/10.1117/12.383500
https://doi.org/10.1117/12.383500
Conference
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