Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Kaj Nummila"'
Autor:
Kaj Nummila, José Boaventura-Cunha, Annelies De Meyer, Jos Van Orshoven, Jaakola Kaarle, Christian Rosset, Johannes Scholz, Tatiana M. Pinho, Julien Künzi, Alexandra S. Marques
Publikováno v:
Scholz, J, De Meyer, A, Marques, A S, Pinho, T M, Boaventura-Cunha, J, Van Orshoven, J, Rosset, C, Künzi, J, Jaakola, K & Nummila, K 2018, ' Digital Technologies for Forest Supply Chain Optimization : Existing Solutions and Future Trends ', Environmental Management, vol. 62, no. 6, pp. 1108-1133 . https://doi.org/10.1007/s00267-018-1095-5
The role of digital technologies for fostering sustainability and efficiency in forest-based supply chains is well acknowledged and motivated several studies in the scope of precision forestry. Sensor technologies can collect relevant data in forest-
Autor:
Mario Caironi, Kaj Nummila, Andrea Bianco, Marco Carminati, Salme Jussila, Guglielmo Lanzani, Alessio Zanutta, Malena Oliveros, Tomi Mattila
Publikováno v:
Oliveros, M, Carminati, M, Zanutta, A, Mattila, T, Jussila, S, Nummila, K, Bianco, A, Lanzani, G & Caironi, M 2016, ' Photosensitive chipless radio-frequency tag for low-cost monitoring of light-sensitive goods ', Sensors and Actuators B: Chemical, vol. 223, pp. 839-845 . https://doi.org/10.1016/j.snb.2015.09.144
A simple approach to develop a novel photosensitive radio-frequency (RF) tag to be used as non-volatile wireless light exposure detector is presented. This chipless tag is based on the coupling of a standard high frequency (HF) inductor–capacitor (
Publikováno v:
Pursula, P, Marttila, I, Nummila, K & Seppä, H 2013, ' High Frequency and Ultrahigh Frequency Radio Frequency Identification Passive Sensor Transponders for Humidity and Temperature Measurement Within Building Structures ', IEEE Transactions on Instrumentation and Measurement, vol. 62, no. 9, pp. 2559-2566 . https://doi.org/10.1109/TIM.2013.2258763
This paper presents the development of passive high frequency (HF) and ultrahigh frequency (UHF) radio frequency identification (RFID) sensor transponders for humidity and temperature monitoring. The transponders use RFID integrated circuits with a d
Publikováno v:
Kajastie, H, Nummila, K, Rautiainen, A, Riski, K & Satrapinski, A 2008, ' Loss measurements on superconducting Nb by a cryogenic dual compensated calorimeter for the implementation of the kilogram standard by the levitation mass method ', Metrologia, vol. 45, no. 1, pp. 68-74 . https://doi.org/10.1088/0026-1394/45/1/010
A cryogenic dual compensated calorimeter was constructed for energy loss measurements in superconducting materials. The losses induced by slowly varying periodic magnetic fields (amplitudes
Publikováno v:
Häkli, J, Jaakkola, K, Pursula, P, Huusko, M & Nummila, K 2010, UHF RFID Based Tracking of Logs in the Forest Industry . in 2010 IEEE International Conference on RFID (IEEE RFID 2010) . IEEE Institute of Electrical and Electronic Engineers, Piscataway, pp. 245-251, IEEE International Conference on RFID, IEEE RFID 2010, Orlando, FL, United States, 14/04/10 . https://doi.org/10.1109/RFID.2010.5467272
This paper describes a prototype of a UHF RFID based log marking and tracking system developed for the challenging four-season outdoor conditions in Scandinavia. The RFID system comprises of novel pulping compatible EPC Class 1 Generation 2 transpond
Publikováno v:
Development and Implementation of RFID Technology
RFID has been identified as one of the cornerstones of the upcoming Internet of Things (IoT) and the focus is moving from conventional RFID towards next generation pervasive networked and interconnected systems. In the future IoT billions of objects
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab8c89ce8bb88a29e5ca81c7ed59efd3
https://doi.org/10.5772/6523
https://doi.org/10.5772/6523
Publikováno v:
Nummila, K, Riski, K, Kajastie, H & Manninen, J 2002, Calorimetric measurements on losses in superconducting materials . in 2002 Conference on Precision Electromagnetic Measurements Conference Digest ., ThP33, IEEE Institute of Electrical and Electronic Engineers, pp. 510-511, Conference on Precision Electromagnetic Measurements, CPEM 2002, Ottawa, Ontario, Canada, 16/06/02 . https://doi.org/10.1109/CPEM.2002.1034946
We are constructing a cryogenic dual compensated calorimeter for loss measurements in superconducting materials. We plan to measure the losses due to the incomplete Meissner effect in slowly varying small magnetic fields appropriate for levitation. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ffed6ae3ffda1f5a613350eaf9cc00a
https://cris.vtt.fi/en/publications/3eddeb02-295c-4ebc-aaf0-d7fdcc060100
https://cris.vtt.fi/en/publications/3eddeb02-295c-4ebc-aaf0-d7fdcc060100
Publikováno v:
Pursula, P, Marttila, I & Nummila, K 2009, ' Wideband adaptive isolator for UHF RFID reader ', Electronics Letters, vol. 45, no. 12, pp. 636-637 . https://doi.org/10.1049/el.2009.0512
A wideband adaptive isolator for a UHF RFID reader with a minimum component count is introduced. The operation of the device is based on a reflection from a variable load, which is connected to a port of a hybrid coupler. The other ports are connecte