Zobrazeno 1 - 10
of 287
pro vyhledávání: '"Vähä‐Heikkilä"'
Autor:
Vähä-Heikkilä, Tauno.
Diss. Teknillinen korkeakoulu, 2006.
Myös verkkojulkaisuna.
Myös verkkojulkaisuna.
Externí odkaz:
http://www.vtt.fi/inf/pdf/publications/2006/P596.pdf
Autor:
Olli Lahdenoja, Tero Hurnanen, Matti Kaisti, Juho Koskinen, Jarno Tuominen, Matti Vähä-Heikkilä, Laura Parikka, Maria Wiberg, Tero Koivisto, Mikko Pänkäälä
Publikováno v:
BioMedical Engineering OnLine, Vol 18, Iss 1, Pp 1-14 (2019)
Abstract Background In the context of monitoring dogs, usually, accelerometers have been used to measure the dog’s movement activity. Here, we study another application of the accelerometers (and gyroscopes)—seismocardiography (SCG) and gyrocardi
Externí odkaz:
https://doaj.org/article/994558530e9a449bb9c08fa9b3914ad8
Autor:
Lahdenoja, Olli, Hurnanen, Tero, Kaisti, Matti, Koskinen, Juho, Tuominen, Jarno, Vähä-Heikkilä, Matti, Parikka, Laura, Wiberg, Maria, Koivisto, Tero, Pänkäälä, Mikko
Publikováno v:
BioMedical Engineering OnLine, Vol 18, Iss 1, Pp 1-14 (2019)
BioMedical Engineering
BioMedical Engineering
Background In the context of monitoring dogs, usually, accelerometers have been used to measure the dog’s movement activity. Here, we study another application of the accelerometers (and gyroscopes)—seismocardiography (SCG) and gyrocardiography (
Publikováno v:
Viljanen, H, Rantakari, P, Vähä-Heikkilä, T & Tuovinen, E May. 14 2020, Semiconductor apparatus, Patent No. US2020152537 .
A semiconductor apparatus having a silicon substrate layer at least portion of which is doped with dopants of a conductivity type; and at least one insulator layer formed above the silicon substrate layer, wherein the at least one insulator layer and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=355e65625b88::d83d88a9664b121eaaec95f312c9c9d4
https://cris.vtt.fi/en/publications/ba6cd189-3a90-4f75-ab84-0abc9b7d5c6c
https://cris.vtt.fi/en/publications/ba6cd189-3a90-4f75-ab84-0abc9b7d5c6c
Autor:
R. Malmqvist, C. Samuelsson, A. Gustafsson, P. Rantakari, S. Reyaz, T. Vähä-Heikkilä, A. Rydberg, J. Varis, D. Smith, R. Baggen
Publikováno v:
Active and Passive Electronic Components, Vol 2011 (2011)
A K-band (18–26.5 GHz) RF-MEMS-enabled reconfigurable and multifunctional dual-path LNA hybrid circuit (optimised for lowest/highest possible noise figure/linearity, resp.) is presented, together with its subcircuit parts. The two MEMS-switched low
Externí odkaz:
https://doaj.org/article/343eb97db7fb4d57a545fd0b7ef1d56d
Publikováno v:
In Sensors & Actuators: A. Physical 2006 132(1):283-288
Publikováno v:
Saijets, J, Rantakari, P & Vähä-Heikkilä, T 2017, ' Low loss KU-to KA-band analog DMTL phase shifter with 360° phase shift ', Microwave and Optical Technology Letters, vol. 59, no. 6, pp. 1401-1404 . https://doi.org/10.1002/mop.30543
A 15 GHz distributed MEMS transmission line (DMTL) based analog phase shifter was designed and characterized. The designed and measured device was capable of full 360° degree phase shift with lower losses than reported for analog DMTL phase shifters
Publikováno v:
In Applied Surface Science 2005 249(1):115-126
Publikováno v:
Ermolov, V, Lamminen, A, Säily, J, Vähä-Heikkilä, T & Rantakari, P Nov. 29 2018, Probe appratus, Patent No. WO2018215694 A1 .
A probe apparatus of a millimeter or submillimeter radio frequency band comprises transition layers (104, 106) having 5 outermost layers (110, 116) on opposite surfaces of the probe apparatus. An internal transition cavity (114) extends through the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=355e65625b88::32f0c01b8c14f94f9b8c3000cf712eda
https://cris.vtt.fi/en/publications/a8a39464-4b7f-435a-9d65-4dec92bb276a
https://cris.vtt.fi/en/publications/a8a39464-4b7f-435a-9d65-4dec92bb276a
Autor:
Atif Shamim, Tauno Vähä-Heikkilä, Ismo Huhtinen, Kautio Kari, Jameel Showail, P. Rantakari, Eyad Arabi, Markku Lahti
Publikováno v:
Showail, J, Lahti, M, Kautio, K, Arabi, E, Rantakari, P, Huhtinen, I, Vähä-Heikkilä, T & Shamim, A 2018, SIW Cavity Filters with Embedded Planar Resonators in LTCC Package for 5G Applications . in 48th European Microwave Conference (EuMC) ., 8541552, IEEE Institute of Electrical and Electronic Engineers, pp. 757-760, 48th European Microwave Conference, EuMC 2018, Madrid, Spain, 23/09/18 . https://doi.org/10.23919/EuMC.2018.8541552
Two three dimensional (3D) integrated System on Package (SoP) Low Temperature Co-fired Ceramic (LTCC) two-stage SIW single cavity filters with embedded planar resonators are designed, fabricated and tested. The embedded resonators create a two-stage