Zobrazeno 1 - 10
of 165
pro vyhledávání: '"Panagiotis, Kosmas"'
Autor:
Xin You, Panagiotis Kosmas
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 3, Pp 428-439 (2024)
Reconfigurable metasurfaces (RMTSs) are in high demand for advanced applications in 5G wireless communications thanks to their intriguing ability to control the electromagnetic (EM) response dynamically. However, most efforts so far have focused on m
Externí odkaz:
https://doaj.org/article/7263b2d503874331a19370c9e6941611
Autor:
Navid Ghavami, Eleonora Razzicchia, Olympia Karadima, Pan Lu, Wei Guo, Ioannis Sotiriou, Efthymios Kallos, George Palikaras, Panagiotis Kosmas
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 89-100 (2022)
Over the last two decades, metamaterials (MMs) and metasurfaces (MTSs) have been used to fabricate innovative antenna designs, offering cost-effective solutions compared to conventional radiating systems. This paper investigates the feasibility of co
Externí odkaz:
https://doaj.org/article/08ec6385f0a14b9ca322d353ef3ba404
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 274-286 (2022)
We present an experimental validation of the distorted Born iterative method with the two-step iterative shrinkage thresholding (DBIM-TwIST) algorithm for the problem of brain stroke detection and differentiation, using an anatomically accurate, mult
Externí odkaz:
https://doaj.org/article/6fc7ae6b3b18492ba555bbf8849fa15d
Publikováno v:
IEEE Access, Vol 7, Pp 107259-107269 (2019)
Demining is a highly impactful but complex problem which requires considerable resources and time. Land mine detection is the most hazardous and time consuming of the tasks in the demining pipeline. Currently, the risk of landmines being present in a
Externí odkaz:
https://doaj.org/article/c0cada82adf845a09f9644f5c4a2dc83
Autor:
Pan Lu, Panagiotis Kosmas
Publikováno v:
Sensors, Vol 22, Iss 7, p 2691 (2022)
We present a preliminary study of microwave head imaging using a three-dimensional (3-D) implementation of the distorted Born iterative method (DBIM). Our aim is to examine the benefits of using the more computationally intensive 3-D implementation i
Externí odkaz:
https://doaj.org/article/922c35923cb147dc900ff68f2b4a267b
sEMG Onset Detection via Bidirectional Recurrent Neural Networks With Applications to Sports Science
Publikováno v:
IEEE Sensors Journal. 22:18751-18761
Autor:
Shimul Saha, Helena Cano-Garcia, Ioannis Sotiriou, Oliver Lipscombe, Ioannis Gouzouasis, Maria Koutsoupidou, George Palikaras, Richard Mackenzie, Thomas Reeve, Panagiotis Kosmas, Efthymios Kallos
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
Abstract We present a sensing system operating at millimetre (mm) waves in transmission mode that can measure glucose level changes based on the complex permittivity changes across the signal path. The permittivity of a sample can change significantl
Externí odkaz:
https://doaj.org/article/6058f08b2322453ba445e117b0e5ec14
Autor:
Helena Cano-Garcia, Rohit Kshirsagar, Roberto Pricci, Ahmed Teyeb, Fergus O’Brien, Shimul Saha, Panagiotis Kosmas, Efthymios Kallos
Publikováno v:
Sensors, Vol 21, Iss 9, p 3275 (2021)
We reported measurement results relating to non-invasive glucose sensing using a novel multiwavelength approach that combines radio frequency and near infrared signals in transmission through aqueous glucose-loaded solutions. Data were collected simu
Externí odkaz:
https://doaj.org/article/6fcbb8dd28b14307a6339464c2d8b60a
Autor:
Eleonora Razzicchia, Pan Lu, Wei Guo, Olympia Karadima, Ioannis Sotiriou, Navid Ghavami, Efthymios Kallos, George Palikaras, Panagiotis Kosmas
Publikováno v:
Diagnostics, Vol 11, Iss 3, p 424 (2021)
Stroke is a very frequent disorder and one of the major leading causes of death and disability worldwide. Timely detection of stroke is essential in order to select and perform the correct treatment strategy. Thus, the use of an efficient imaging met
Externí odkaz:
https://doaj.org/article/cd44447578a14392b0cf84a04621ca6d
Autor:
Amin Moradpour, Olympia Karadima, Ivan Alic, Mykolas Ragulskis, Ferry Kienberger, Panagiotis Kosmas
Publikováno v:
Diagnostics, Vol 11, Iss 3, p 550 (2021)
This paper reports the development of a new composite material as a matching medium for medical microwave diagnostic systems, where maximizing the microwave energy that penetrates the interrogated tissue is critical for improving the quality of the d
Externí odkaz:
https://doaj.org/article/6fecaf29164d4c15bfe37568eae74d31