Zobrazeno 1 - 10
of 1 006
pro vyhledávání: '"J. Vrba"'
Publikováno v:
Radioengineering, Vol 24, Iss 4, Pp 877-884 (2015)
In this paper, a microwave sensor based on an artificial transmission line is proposed for non-invasive blood glucose monitoring. A corresponding numerical model of the sensor implemented in microstrip technology is created in the commercial full-wav
Externí odkaz:
https://doaj.org/article/30b83c2a915e4f8aa13980d6718e1bd9
Publikováno v:
Radioengineering, Vol 22, Iss 4, Pp 1281-1287 (2013)
In this article, a known concept and measurement probe geometry for the estimation of the dielectric properties of oils have been adapted. The new probe enables the~measurement in the frequency range of 1 to 3000 MHz. Additionally, the measurement pr
Externí odkaz:
https://doaj.org/article/d3636df94a1a4ebf9bf6804f0c9df80c
Autor:
Jiří Pokorný, A. Jandová, M. Nedbalová, F. Jelínek, M. Cifra, O. Kučera, D. Havelka, J. Vrba, J. Vrba, Jr., A. Čoček, J. Kobilková
Publikováno v:
Prague Medical Report, Vol 113, Iss 2, Pp 81-94 (2012)
Physical processes in living cells were not taken into consideration among the essentials of biological activity, regardless of the fact that they establish a state far from thermodynamic equilibrium. In biological system chemical energy is transform
Externí odkaz:
https://doaj.org/article/4fd3e239159c49c9ac8c1ec464e16daa
Publikováno v:
Radioengineering, Vol 19, Iss 2, Pp 281-289 (2010)
The purpose of this study was to determine whether prediction of the 3D temperature profile for superficial hyperthermia using constant blood perfusion model could be matched to one with a temperature dependent blood perfusion. We compared three diff
Externí odkaz:
https://doaj.org/article/12fdeb324924443c845bf5e92a370bd9
Publikováno v:
Radioengineering, Vol 17, Iss 1, Pp 14-19 (2008)
This paper describes and evaluates a method for determining complex permittivity, and presents results of permittivity measurement of some substances. Complex permittivity of a phantom of biological muscle tissue, of some industrial chemicals and die
Externí odkaz:
https://doaj.org/article/5d8294029a68447c99ca82d61f276474
Publikováno v:
Radioengineering, Vol 10, Iss 2, Pp 32-37 (2001)
Microwave thermotherapy (MT) is an oncological treatment. At presentthe invasive thermometer probes are clinically used for temperaturemeasuring during an MT. Any invasive handling of tumors is ofhigh-risk. A new possible method of noninvasive monito
Externí odkaz:
https://doaj.org/article/20a0e4b22e2e4a4e9056945ba208f9e8
Autor:
M. Pourová, J. Vrba
Publikováno v:
Acta Polytechnica, Vol 46, Iss 5 (2006)
The principal aim of this work was to design and optimize the applicator for microwave drying. Our applicator is derived from the Fabry-Perrot resonator, which is an open type resonator.The whole system works at frequency 2.45 GHz and the magnetron t
Externí odkaz:
https://doaj.org/article/6a96447404214e06a2e7bddc3b4ef5d4
Publikováno v:
Acta Polytechnica, Vol 46, Iss 5 (2006)
This paper describes a method for determining the dielectric constant of a biological tissue. A suitable way to make a dielectric measurement that is nondestructive and noninvasive for the biological substance and broadband at the frequency range of
Externí odkaz:
https://doaj.org/article/971ca50392f64d4181edc3af82b615f2
Autor:
A. B. Rivera, C. W. Morgan, S. M. Florence, K. Kniezewski, M. Millon, F. Courbin, S. E. Dahm, F. J. Vrba, T. M. Tilleman, M. A. Cornachione, I. M. Asfandiyarov, S. A. Ehgamberdiev, O. A. Burkhonov
Publikováno v:
The Astrophysical Journal, Vol 964, Iss 2, p 173 (2024)
We analyze variability in 15-season optical lightcurves from the doubly imaged lensed quasar SDSS J165043.44+425149.3 (SDSS1650), comprising five seasons of monitoring data from the Maidanak Observatory (277 nights in total, including the two seasons
Externí odkaz:
https://doaj.org/article/ae7d8d01c2b745a38350ef5ff827c07f
Autor:
Adam C. Schneider, Adam J. Burgasser, Justice Bruursema, Jeffrey A. Munn, Frederick J. Vrba, Dan Caselden, Martin Kabatnik, Austin Rothermich, Arttu Sainio, Thomas P. Bickle, Scott E. Dahm, Aaron M. Meisner, J. Davy Kirkpatrick, Genaro Suárez, Jonathan Gagné, Jacqueline K. Faherty, Johanna M. Vos, Marc J. Kuchner, Stephen J. Williams, Daniella Bardalez Gagliuffi, Christian Aganze, Chih-Chun Hsu, Christopher Theissen, Michael C. Cushing, Federico Marocco, Sarah Casewell, The Backyard Worlds: Planet 9 Collaboration
Publikováno v:
The Astrophysical Journal Letters, Vol 943, Iss 2, p L16 (2023)
We present the discovery of CWISE J050626.96+073842.4 (CWISE J0506+0738), an L/T transition dwarf with extremely red near-infrared colors discovered through the Backyard Worlds: Planet 9 citizen science project. Photometry from UKIRT and CatWISE give
Externí odkaz:
https://doaj.org/article/32c925b93a444637813f9fe405d28b9c