Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Alexandros Feresidis"'
Autor:
Evangelos Vassos, Alexandros Feresidis
Publikováno v:
Advanced Photonics Research, Vol 4, Iss 8, Pp n/a-n/a (2023)
Free space (also termed quasi‐optical) metasurfaces have recently been designed and proposed as new types of polarizers that allow polarization control of an impinging wave in ways that are not possible with conventional designs. However, existing
Externí odkaz:
https://doaj.org/article/91530dea9cc544e6a0add42b20458b53
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 1003-1012 (2022)
A bidirectional leaky wave antenna (LWA) with beam scanning capabilities was developed based on the dielectric image line for single-tone continuous-wave Doppler radar (DR) for remote vital sign monitoring (RVSM) in a dynamic environment. It consists
Externí odkaz:
https://doaj.org/article/a609e3bf563a487c87ba44bc4e3333c6
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract Periodically corrugated metallic antennas have been developed in recent years from microwave to THz frequencies, due to their advantages of highly directive radiation patterns, low profile and ease of fabrication. However, the limited gain b
Externí odkaz:
https://doaj.org/article/748cd9406911439fa927ed2f547a1b3f
Autor:
Evangelos Vassos, James Churm, Jeff Powell, Colin Viegas, Byron Alderman, Alexandros Feresidis
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract A low loss metamaterial unit cell is presented with an integrated GaAs air-bridged Schottky diode to produce a dynamically tunable reflective phase shifter that is capable of up to 250° phase shift with an experimentally measured average lo
Externí odkaz:
https://doaj.org/article/45b64ed8fb56452cac0ea51468a675e7
Publikováno v:
Sensors, Vol 23, Iss 8, p 4059 (2023)
A multi-layer beam-scanning leaky wave antenna (LWA) for remote vital sign monitoring (RVSM) at 60 GHz using a single-tone continuous-wave (CW) Doppler radar has been developed in a typical dynamic environment. The antenna’s components are: a parti
Externí odkaz:
https://doaj.org/article/f413939bda414758ad690d0bf100151f
Publikováno v:
IEEE Access, Vol 9, Pp 104460-104468 (2021)
A 3-dB gain and input impedance bandwidth enhancement technique for THz periodically corrugated metallic antennas, also known as Bull’s Eye antennas, is presented. A novel design that exploits the depth qualities of the corrugations is introduced,
Externí odkaz:
https://doaj.org/article/240d64642fd944cbb4547db01611b28d
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 21:2264-2267
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f011ca5f69b3d3750b5d533424e043e0
https://doi.org/10.1109/lawp.2022.3192977
https://doi.org/10.1109/lawp.2022.3192977
Publikováno v:
2023 17th European Conference on Antennas and Propagation (EuCAP).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb1a688e573650380297fc9e2c211799
https://doi.org/10.23919/eucap57121.2023.10133450
https://doi.org/10.23919/eucap57121.2023.10133450
Publikováno v:
2023 17th European Conference on Antennas and Propagation (EuCAP).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8d6bace33cd23d8b645b0544c8d85f4
https://doi.org/10.23919/eucap57121.2023.10132984
https://doi.org/10.23919/eucap57121.2023.10132984
Publikováno v:
2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9732487aba1030acf1a674a152e0db1f
https://doi.org/10.23919/at-ap-rasc54737.2022.9814286
https://doi.org/10.23919/at-ap-rasc54737.2022.9814286