Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Gert Holler"'
Autor:
B. Laarhoven, Ernest Mejias, Ernst Lankmayr, Gert Holler, Elmar C. Fuchs, Martina Sammer, Georg Brasseur, Doekle Reinder Yntema
Publikováno v:
Journal of Electrical Bioimpedance, Vol 5, Iss 1, Pp 92-98 (2014)
Impedance spectroscopy is a useful tool for non-invasive and real time measurements of cell suspensions and a variety of biological tissues. The objective of this study was the investigation of the dielectric properties of living aquatic worms (Lumbr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::600d1663bd2412eb625a1974cdb04b86
https://www.journals.uio.no/index.php/bioimpedance/article/view/934
https://www.journals.uio.no/index.php/bioimpedance/article/view/934
Autor:
Doekle Reinder Yntema, Jakob Woisetschläger, Gert Holler, Elmar C. Fuchs, Ernst Lankmayr, C. Kamp, M. Horner, Martina Sammer
Publikováno v:
Journal of Water Chemistry and Technology. 33:369-376
A novel device called the Bioscope System is investigated for feasibility as sensor for chemicals in aqueous solutions. Thereby a sample is examined by a pulsed voltage and electrical properties of that sample are measured. These electrical propertie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9464a52f201823a7f039bc93fb4ba5e2
https://doi.org/10.3103/s1063455x1106004x
https://doi.org/10.3103/s1063455x1106004x
Autor:
Elmar C. Fuchs, Karl Gatterer, Jakob Woisetschläger, Mathias Eisenhut, Gert Holler, Adam D. Wexler
Publikováno v:
Experiments in Fluids. 52:193-205
When a high-voltage direct-current is applied to two beakers filled with polar liquid dielectrica like water or methanol, a horizontal bridge forms between the two beakers. By repeating a version of Pellat’s experiment, it is shown that a horizonta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f57f45d4a6f7215ff0dc45336d2e205
https://doi.org/10.1007/s00348-011-1216-x
https://doi.org/10.1007/s00348-011-1216-x
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 60:2797-2803
Systems for radio-frequency identification (RFID) realize a bidirectional wireless communication between a reader device and cheap passive tags (e.g., an RFID chip with an antenna printed on badges for access-control systems) in the near field of an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86120a7e557ff45f9d40edf14b86bc06
https://doi.org/10.1109/tim.2011.2122390
https://doi.org/10.1109/tim.2011.2122390
Publikováno v:
Sensors & Transducers, Vol 9, Iss Special Issue, Pp 151-160 (2010)
A measurement method is presented that determines the free volume inside a storage vessel by measuring pressure variations resulting from artificially introduced perturbations. Combined with the knowledge of the volume of the empty tank system, the m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::c44c0e7269249b7c414a0596abbca098
http://www.sensorsportal.com/HTML/DIGEST/december_2010/P_SI_120.pdf
http://www.sensorsportal.com/HTML/DIGEST/december_2010/P_SI_120.pdf
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 59:1686-1692
Passive or semiactive wireless sensors, i.e., sensors that require neither wires nor external power supply/batteries, are attractive for many measurement problems. Standard approaches based on Radio Frequency Identification technology usually have di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9694011681c1b80f8245ae90ebf3ec43
https://doi.org/10.1109/tim.2009.2026602
https://doi.org/10.1109/tim.2009.2026602
Autor:
Markus Brandner, Gert Holler
Publikováno v:
Procedia Engineering. 5:1474-1477
This paper presents the design and implementation details of an optical sensor for velocity measurements in cryogenic two-phase flows. The proposed sensor utilises a spatial filtering technique to robustly estimate the velocity of optically inhomogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b37dfcba2b5fc0baf826bbfd8416bee
Publikováno v:
Sensors & Transducers, Vol 6, Iss Special Issue, Pp 105-116 (2009)
This paper presents a capacitive and a vision-based method for measuring the velocity of cryogenic hydrogen flows. The capacitive sensing principle exploits the spatial frequency signature of perturbations moving through a multi-electrode structure.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::52c7a8eebd42ddd7f49880de3ff984b7
http://www.sensorsportal.com/HTML/DIGEST/august_09/P_SI_76.pdf
http://www.sensorsportal.com/HTML/DIGEST/august_09/P_SI_76.pdf
Publikováno v:
Flow Measurement and Instrumentation. 19:241-250
This paper presents the development of an Electrical Capacitance Tomography sensor, allowing for the reconstruction of the permittivity distribution in a piping system. Two suitable front-end circuit concepts for the sensor are investigated — one i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::407ffe41a004181d74743d9f646c0a38
https://doi.org/10.1016/j.flowmeasinst.2007.11.006
https://doi.org/10.1016/j.flowmeasinst.2007.11.006
Autor:
Hubert Zangl, Dirk Hammerschmidt, Mario Motz, Thomas Bretterklieber, Gert Holler, Daniel Hrach
Publikováno v:
e & i Elektrotechnik und Informationstechnik. 125:132-137
Due to the unparalleled simplicity of its sensor elements, its versatility due to a plurality of applicable materials and the availability of small and fairly low cost monolithic sensor interfaces, the acceptance of capacitive technology has constant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6cac298aab6ebdc60aab03e8d45bd2a
https://doi.org/10.1007/s00502-008-0523-2
https://doi.org/10.1007/s00502-008-0523-2