Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Spyridon K. Chronopoulos"'
Autor:
Spyridon K. Chronopoulos
Publikováno v:
Sensors, Vol 24, Iss 9, p 2732 (2024)
In the modern technological era of sophisticated applications and high-quality communications, a platform of clever strategy and quickly updated systems is needed. It should be capable of withstanding the fastest emerging problems like signal attenua
Externí odkaz:
https://doaj.org/article/a97069d810f4474c86115fac3d1b6d63
Autor:
Vasilis Tritakis, Janusz Mlynarczyk, Ioannis Contopoulos, Jerzy Kubisz, Vasilis Christofilakis, Giorgos Tatsis, Spyridon K. Chronopoulos, Christos Repapis
Publikováno v:
Atmosphere, Vol 15, Iss 4, p 457 (2024)
We analyzed a large number (77) of low-to-medium-magnitude earthquakes (M3.5–M6.5) that occurred within a period of three years (2020–2022) in the Southern half of Greece in relation to the ELF activity in that region and time period. In most cas
Externí odkaz:
https://doaj.org/article/2378636d9610497cbcb54ce55568fc53
Autor:
Alexandros Sakkas, Vasilis Oikonomou, Giorgos Mystridis, Vasilis Christofilakis, Giorgos Tatsis, Giorgos Baldoumas, Vasilis Tritiakis, Spyridon K. Chronopoulos
Publikováno v:
Sensors, Vol 23, Iss 21, p 8912 (2023)
This paper presents a compact multifrequency reconfigurable patch antenna in terms of design and fabrication for operating in the S and C bands of the RF spectrum, which are overwhelmed by wireless applications. Reconfiguration is achieved by using a
Externí odkaz:
https://doaj.org/article/1512f15920bb4a529a0bb6918b237ed3
Publikováno v:
Sensors, Vol 22, Iss 9, p 3350 (2022)
Long Range (LoRa) systems have recently attracted significant attention within the research community as well as for commercial use due to their ability to transmit data over long distances at a relatively low energy cost. In this study, new results
Externí odkaz:
https://doaj.org/article/589b88f9c4d74a74bf5a055919127697
Autor:
Constantinos I. Votis, Giorgos Tatsis, Vasilis Christofilakis, Spyridon K. Chronopoulos, Panos Kostarakis, Vasilis Tritakis, Christos Repapis
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2018, Iss 1, Pp 1-12 (2018)
Abstract Schumann resonance oscillation detection is a complex procedure which requires customized and high-quality measurement systems. The primary objective of this work was to design and implement a stand-alone, portable, and low-cost receiver abl
Externí odkaz:
https://doaj.org/article/8ea82315cc414369969f9844353c35d7
Autor:
Vasilis Christofilakis, Giorgos Tatsis, Spyridon K. Chronopoulos, Alexandros Sakkas, Anastasios G. Skrivanos, Kostas P. Peppas, Hector E. Nistazakis, Giorgos Baldoumas, Panos Kostarakis
Publikováno v:
Symmetry, Vol 12, Iss 9, p 1440 (2020)
Many works have been conducted relevant to rainfall measurements, while the first relevant ones were based on the power loss estimation function from wireless links located back to the early 1940s. It is notable, though, that this innovative idea con
Externí odkaz:
https://doaj.org/article/3ef70d89145940b59c635365ccde1468
Autor:
Vasiliki Liagkou, Vasileios Kavvadas, Spyridon K. Chronopoulos, Dionysios Tafiadis, Vasilis Christofilakis, Kostas P. Peppas
Publikováno v:
Computation, Vol 7, Iss 2, p 24 (2019)
Data security plays a crucial role in healthcare monitoring systems, since critical patient information is transacted over the Internet, especially through wireless devices, wireless routes such as optical wireless channels, or optical transport netw
Externí odkaz:
https://doaj.org/article/52ec90dde4f64bfca17423c63fa16897
Autor:
Eugenia I. Toki, Spyridon K. Chronopoulos, Anastasios Skrivanos, Kostas P. Peppas, Elena Alchazidou, Dimitrios Dimopoulos, Evangelia I. Kosma, Vasilis Christofilakis, George Petrakos, Nafsika Ziavra, Ioannis Kouretas
Publikováno v:
IEEE Consumer Electronics Magazine. 11:32-44
Currently, hospitals and health care sectors employ low-cost IoT (Internet of Thing) based remote health monitoring systems and labs in order to collect a subjects or patients real-time data. Such a process can be helpful for the early detection of a
Autor:
Anastasios G. Skrivanos, Spyridon K. Chronopoulos, Evangelia I. Kosma, Ioannis Kouretas, Kostas P. Peppas
Publikováno v:
2022 Panhellenic Conference on Electronics & Telecommunications (PACET).
Autor:
Dionysios Tafiadis, Spyridon K. Chronopoulos, Evangelia I. Kosma, Louiza Voniati, Konstantinos Drosos, Kostas P. Peppas, Polyniki Kastanioudaki, Nafsika Ziavra
Publikováno v:
2022 International Symposium on Multidisciplinary Studies and Innovative Technologies (ISMSIT).