Zobrazeno 1 - 10
of 180
pro vyhledávání: '"SYMON K. PODILCHAK"'
Autor:
Maksim V. Kuznetcov, Davide Comite, Symon K. Podilchak, Alois P. Freundorfer, Yahia M. M. Antar
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 5, Pp 1295-1305 (2024)
Planar metasurface lens structures based on microstrip technology, optimized to control the propagation of surface waves (SWs), are presented. Two different lenses are studied, i.e., a converging or plane-wave-like lens and a diverging lens. Near-fie
Externí odkaz:
https://doaj.org/article/7b69cc051c764c5aa98dcf2b487212e2
Publikováno v:
IEEE Access, Vol 12, Pp 68757-68769 (2024)
A compact antipodal Vivaldi antenna array (AVAA) with ultra-wideband (UWB) beam steering capabilities is presented. The fabricated and measured array prototype has good matching from about 1.5 GHz to 11 GHz (147%) for all ports and can achieve wide a
Externí odkaz:
https://doaj.org/article/f0de29cc0f174126a5c3d4945f912f39
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 2, Pp 213-232 (2024)
A circuit-based calibration system is presented for active phased arrays. In particular, to achieve the desired (and corrected) consecutive phase differences and relative magnitudes between RF channels, a computer controlled circuit system was develo
Externí odkaz:
https://doaj.org/article/032379e35596461f93b2964b65bc03b8
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 1, Pp 73-81 (2024)
A high isolation antenna is presented which offers dual-polarization monopulse beam patterns, making the design suitable for polarization diverse or full-duplex (FD) systems. The single-layer structure is defined by a network of 2-D sub-arrays orient
Externí odkaz:
https://doaj.org/article/32fca3205dc44589ab71214b2153abaf
Publikováno v:
Electronics Letters, Vol 59, Iss 21, Pp n/a-n/a (2023)
Abstract The development of a dual‐band folded shorted patch (FSP) antenna array is presented which offers dual‐circularly polarized radiation. Applications include small satellites like CubeSats and picosatellites. The proposed 2 × 2 FSP array
Externí odkaz:
https://doaj.org/article/4636717bfe73423fb6175ed0cc989dbc
Publikováno v:
Electronics Letters, Vol 59, Iss 22, Pp n/a-n/a (2023)
Abstract A self‐calibrating circuit system for use within active phased array antennas is presented. The system addresses the issue of unwanted channel phase imbalances and random phase errors which can deteriorate array performance. Basically, unw
Externí odkaz:
https://doaj.org/article/97af418fa7d345de92c347b634972230
Publikováno v:
IEEE Journal of Microwaves, Vol 3, Iss 2, Pp 665-675 (2023)
Flexible and lightweight textile-based coaxial transmission lines for wearable applications are presented. In particular, textile yarns defined by copper (Cu), polyester (PES), and polytetrafluoroehtylene (PTFE) materials were used to design transmis
Externí odkaz:
https://doaj.org/article/4ca8bf486e4a4547ad53d2574918b2c8
Publikováno v:
IEEE Journal of Microwaves, Vol 3, Iss 2, Pp 553-569 (2023)
The modelling and design of a full wireless microwave communication system is examined, where the signal propagates within an overmoded circular metallic pipeline. Applications include the oil and gas industry. A specific link budget equation was als
Externí odkaz:
https://doaj.org/article/aea6985a8e2f414f91d6624b148c2617
Autor:
Victoria Gomez-Guillamon Buendia, Symon K. Podilchak, Salvatore Liberto, Tom Walkinshaw, Constantin Constantinides, Dimitris E. Anagnostou, George Goussetis, Maarten Van Der Vorst
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 1341-1350 (2022)
A miniaturized planar Yagi-Uda antenna for integration with PicoSats or other SmallSat missions is proposed. Miniaturization techniques, such as meandering and 1-D artificial dielectric concepts to reduce the guided wavelength, are employed to overco
Externí odkaz:
https://doaj.org/article/3ccd53b639ce41e9afdd1368c1363eed
Publikováno v:
IEEE Access, Vol 10, Pp 67031-67046 (2022)
The modeling and design of a complete wireless liquid level determination system within a metallic pipeline is examined. Applications include the oil and gas industry, and propagation within other enclosed environments like tunnels, mines, and airpla
Externí odkaz:
https://doaj.org/article/f9b702fc7348450ca014f12e0eaa5884