Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Johan Sidén"'
Publikováno v:
Sensors, Vol 21, Iss 19, p 6349 (2021)
This paper presents a posture recognition system aimed at detecting sitting postures of a wheelchair user. The main goals of the proposed system are to identify and inform irregular and improper posture to prevent sitting-related health issues such a
Externí odkaz:
https://doaj.org/article/4c882cd0b8df4a699f96f0b58690e6da
Publikováno v:
IEEE Transactions on Antennas and Propagation. 70:2189-2198
Design scheme for embedding chipless radio-frequency identification (RFID) tag in quick response (QR) code is proposed and demonstrated. By searching for QR modules that can be metalized to form a loop resonator in the edge area and to load the loop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88682a066c2f03edb4fb24c5d1d44a55
https://doi.org/10.1109/tap.2021.3111335
https://doi.org/10.1109/tap.2021.3111335
Publikováno v:
The Applied Computational Electromagnetics Society Journal (ACES).
Automatic design of planar directional coupler can be implemented by multi-objective optimization searching for the optimal planar fragment-type structure (FTS). The 2-bit FTS description scheme may include necessary fine structures in fragments to e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03d24c3f51c23946eae25179cb3d896f
https://doi.org/10.13052/2021.aces.j.361213
https://doi.org/10.13052/2021.aces.j.361213
Design of ultra‐wideband antenna with high‐selectivity band notches using fragment‐type etch pattern
Publikováno v:
Microwave and Optical Technology Letters. 62:912-918
By specifying objective functions defining the two bands to be notched with high roll-off criteria (ROCs), optimization searching for the best fragment-type etch pattern on ultra-wideband (UWB) ant ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7619ad77d3a41ed0c802ab10501a8dd
https://doi.org/10.1002/mop.32103
https://doi.org/10.1002/mop.32103
Publikováno v:
IEEE Sensors Journal. 19:2055-2063
Prolonged sitting inadequacies cause pressure ulcer to many individuals, especially to disadvantaged with reduced mobility. The measurement of distributed pressure and detection of irregular sitting postures is essential for preventing the risk of de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d895ef03e2dacdf390e80c673a2955d7
https://doi.org/10.1109/jsen.2018.2885638
https://doi.org/10.1109/jsen.2018.2885638
Autor:
Johan Sidén, Hans-Erik Nilsson
Publikováno v:
Radio Frequency Identification Fundamentals and Applications Design Methods and Solutions
Marking items for remote identification not only places high demands on the heart of the RFID tags, the Application Specific Circuit (ASIC), but also on the tag antennas. For long reading distances, efficient antennas are crucial and their efficiency
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e39017e8f2aef1ac717e0c78da129a0a
http://www.intechopen.com/articles/show/title/rfid-antennas-possibilities-and-limitations
http://www.intechopen.com/articles/show/title/rfid-antennas-possibilities-and-limitations
Publikováno v:
Electronics
Volume 10
Issue 6
Electronics, Vol 10, Iss 743, p 743 (2021)
Volume 10
Issue 6
Electronics, Vol 10, Iss 743, p 743 (2021)
Optical fiber microducts are joined together by mechanical joints. These mechanical joints are bulky, require more space per joint, and are prone to air pressure leakage and water seepage during service. A battery powered electrofusion welding system
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87b92de76768c222c5e3a960d20c312f
Publikováno v:
Electronics
Volume 10
Issue 13
Electronics, Vol 10, Iss 1548, p 1548 (2021)
Volume 10
Issue 13
Electronics, Vol 10, Iss 1548, p 1548 (2021)
A novel Monte Carlo-based indoor radio-frequency identification (RFID) positioning scheme is proposed for dual-antenna RFID systems with the cooperation of dual-antenna joint rectification. By deploying reference passive RFID tags on the ground to es
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::706b0bb5e2dc5922b588fd18773497d5
http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-42595
http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-42595
Publikováno v:
2020 8th International Electrical Engineering Congress (iEECON).
This paper presents and evaluates three new designs of fibre optic cable ducts for jetting. The three designs are longitudinal ridges with square, triangular and semicircular geometries. The effects of the geometries are evaluated with regards to ele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5bbad40b5adbec4bfb64be663027227
https://doi.org/10.1109/ieecon48109.2020.229492
https://doi.org/10.1109/ieecon48109.2020.229492
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 17:2404-2408
Fragment-type etch patterns are proposed and designed on an ultrawideband planar antenna to acquire sharp roll-off band notch. Multiobjective evolutionary algorithm is applied to achieve the optimization searching of the best fragment-type etch patte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::266d9f0c7833a752e88e1233fd1a83b5
https://doi.org/10.1109/lawp.2018.2876630
https://doi.org/10.1109/lawp.2018.2876630