Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Marek Pola"'
Autor:
Marek Pola, Pavel Bezoušek
Publikováno v:
Perner’s Contacts, Vol 7, Iss 2 (2012)
The bistatic radar forms a basic part of multistatic radar systems for Air Traffic Control. The effort in this article is to provide the inside and make basis for future research of the bistatic radar clutter. There is a clutter scenario defined, and
Externí odkaz:
https://doaj.org/article/34faf4619b224adcb3586460c7e8b9ba
Autor:
Pavel Bezoušek, Marek Pola
Publikováno v:
Perner’s Contacts, Vol 5, Iss 4 (2010)
In the paper a RFID automatic railway vehicle identification system is treated, consisted of readers, deployed along railroad tracks and tags clipped to the passing vehicles. The reader – tag setup including a reader wake-up sensor is described. Th
Externí odkaz:
https://doaj.org/article/753811f550e643af8835e8da83bc69e4
Publikováno v:
Perner’s Contacts, Vol 4, Iss 4 (2009)
Multistatic radar systems with several transmitters and receivers introduce not only new qualities in area surveillance as well as in hardware minimization but also new problems in signal processing and target detection and tracking. This paper deals
Externí odkaz:
https://doaj.org/article/287f5a3a1a3343c9a1be91f9ee1aa1d3
Autor:
Arnaud Foulquier, Thibault Datry, Roland Corti, Daniel von Schiller, Klement Tockner, Rachel Stubbington, Mark O. Gessner, Frédéric Boyer, Marc Ohlmann, Wilfried Thuiller, Delphine Rioux, Christian Miquel, Ricardo Albariño, Daniel C. Allen, Florian Altermatt, Maria Isabel Arce, Shai Arnon, Damien Banas, Andy Banegas-Medina, Erin Beller, Melanie L. Blanchette, Joanna Blessing, Iola Gonçalves Boëchat, Kate Boersma, Michael Bogan, Núria Bonada, Nick Bond, Katherine Brintrup, Andreas Bruder, Ryan Burrows, Tommaso Cancellario, Cristina Canhoto, Stephanie Carlson, Núria Cid, Julien Cornut, Michael Danger, Bianca de Freitas Terra, Anna Maria De Girolamo, Rubén del Campo, Verónica Díaz Villanueva, Fiona Dyer, Arturo Elosegi, Catherine Febria, Ricardo Figueroa Jara, Brian Four, Sarig Gafny, Rosa Gómez, Lluís Gómez-Gener, Simone Guareschi, Björn Gücker, Jason Hwan, J. Iwan Jones, Patrick S. Kubheka, Alex Laini, Simone Daniela Langhans, Bertrand Launay, Guillaume Le Goff, Catherine Leigh, Chelsea Little, Stefan Lorenz, Jonathan Marshall, Eduardo J. Martin Sanz, Angus McIntosh, Clara Mendoza-Lera, Elisabeth I. Meyer, Marko Miliša, Musa C. Mlambo, Manuela Morais, Nabor Moya, Peter Negus, Dev Niyogi, Iluminada Pagán, Athina Papatheodoulou, Giuseppe Pappagallo, Isabel Pardo, Petr Pařil, Steffen U. Pauls, Marek Polášek, Pablo Rodríguez-Lozano, Robert J. Rolls, Maria Mar Sánchez-Montoya, Ana Savić, Oleksandra Shumilova, Kandikere R. Sridhar, Alisha Steward, Amina Taleb, Avi Uzan, Yefrin Valladares, Ross Vander Vorste, Nathan J. Waltham, Dominik H. Zak, Annamaria Zoppini
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-15 (2024)
Abstract More than half of the world’s rivers dry up periodically, but our understanding of the biological communities in dry riverbeds remains limited. Specifically, the roles of dispersal, environmental filtering and biotic interactions in drivin
Externí odkaz:
https://doaj.org/article/aa0ba8794bf74e0daff98fc2a5abbcc7
Autor:
Jonathan F. Jupke, Thomas Sinclair, Lorraine Maltby, Jukka Aroviita, Libuše Barešová, Núria Bonada, Emília Mišíková Elexová, M. Teresa Ferreira, Maria Lazaridou, Margita Lešťáková, Piotr Panek, Petr Pařil, Edwin T. H. M. Peeters, Marek Polášek, Leonard Sandin, Dénes Schmera, Michal Straka, Ralf B. Schäfer
Publikováno v:
Environmental Sciences Europe, Vol 36, Iss 1, Pp 1-14 (2024)
Abstract Exposure to synthetic chemicals, such as pesticides and pharmaceuticals, affects freshwater communities at broad spatial scales. This risk is commonly managed in a prospective environmental risk assessment (ERA). Relying on generic methods,
Externí odkaz:
https://doaj.org/article/e247a747469e4f2cb8ea0a7b0b6df972
Autor:
Ellen A. R. Welti, Diana E. Bowler, James S. Sinclair, Florian Altermatt, Mario Álvarez-Cabria, Giuseppe Amatulli, David G. Angeler, Gaït Archambaud, Iñaki Arrate Jorrín, Thomas Aspin, Iker Azpiroz, Nathan Jay Baker, Iñaki Bañares, José Barquín Ortiz, Christian L. Bodin, Luca Bonacina, Núria Bonada, Roberta Bottarin, Miguel Cañedo-Argüelles, Zoltán Csabai, Thibault Datry, Elvira de Eyto, Alain Dohet, Sami Domisch, Gerald Dörflinger, Emma Drohan, Knut A. Eikland, Judy England, Tor E. Eriksen, Vesela Evtimova, Maria J. Feio, Martial Ferréol, Mathieu Floury, Maxence Forcellini, Marie Anne Eurie Forio, Riccardo Fornaroli, Nikolai Friberg, Jean-François Fruget, Jaime R. Garcia Marquez, Galia Georgieva, Peter Goethals, Manuel A. S. Graça, Andy House, Kaisa-Leena Huttunen, Thomas Correll Jensen, Richard K. Johnson, J. Iwan Jones, Jens Kiesel, Aitor Larrañaga, Patrick Leitner, Lionel L’Hoste, Marie-Hélène Lizée, Armin W. Lorenz, Anthony Maire, Jesús Alberto Manzanos Arnaiz, Brendan Mckie, Andrés Millán, Timo Muotka, John F. Murphy, Davis Ozolins, Riku Paavola, Petr Paril, Francisco Jesús Peñas Silva, Marek Polasek, Jes Rasmussen, Manu Rubio, David Sánchez Fernández, Leonard Sandin, Ralf B. Schäfer, Astrid Schmidt-Kloiber, Alberto Scotti, Longzhu Q. Shen, Agnija Skuja, Stefan Stoll, Michal Straka, Rachel Stubbington, Henn Timm, Violeta G. Tyufekchieva, Iakovos Tziortzis, Yordan Uzunov, Gea H. van der Lee, Rudy Vannevel, Emilia Varadinova, Gábor Várbíró, Gaute Velle, Piet F. M. Verdonschot, Ralf C. M. Verdonschot, Yanka Vidinova, Peter Wiberg-Larsen, Peter Haase
Publikováno v:
Scientific Data, Vol 11, Iss 1, Pp 1-8 (2024)
Abstract Freshwater macroinvertebrates are a diverse group and play key ecological roles, including accelerating nutrient cycling, filtering water, controlling primary producers, and providing food for predators. Their differences in tolerances and s
Externí odkaz:
https://doaj.org/article/96318d810a1945acb67bc44d68964ad4
Publikováno v:
Sensors, Vol 24, Iss 22, p 7186 (2024)
To permit the collection of quantitative data on start, turn and clean swimming performances in any swimming pool, the aims of the present study were to (1) validate a mobile in-field performance analysis system (PAS) against the Kistler starting blo
Externí odkaz:
https://doaj.org/article/12da3b14a79f4ee58a6f1702879200b2
Autor:
Tomáš Michalica, Jakub Březina, Marek Polach, Dennis-Peter Born, Jiří Mališ, Zbyněk Svozil, Eva Kociánová
Publikováno v:
Sports, Vol 12, Iss 11, p 306 (2024)
Maximal athletic performance can be limited by various factors, including restricted respiratory function. These limitations can be mitigated through targeted respiratory muscle training, as supported by numerous studies. However, the full potential
Externí odkaz:
https://doaj.org/article/9f79df26ff954c81ad648793ec87420c
Autor:
Marek Pola, Pavel Bezousek
Publikováno v:
Journal of Electrical Engineering. 68:206-211
There is a currently developed system of a transmitter indoor localization intended for fire fighters or members of rescue corps. In this system the transmitter of an ultra-wideband orthogonal frequency-division multiplexing signal position is determ
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract Biotic homogenization appears to be a global consequence of anthropogenic change. However, the underlying environmental factors contributing to homogenization are difficult to identify because their effects usually interact and confound each
Externí odkaz:
https://doaj.org/article/aa1be7dbbf0e479f8abb2a4461e590c2