Zobrazeno 1 - 10
of 207
pro vyhledávání: '"SIMONE GENOVESI"'
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1681-1690 (2024)
A novel methodology for designing Chipless Radio Frequency Identification (RFID) tags realized using the Additive Manufacturing technologies and exhibiting a high number of identification states is proposed and investigated. An encoding scheme based
Externí odkaz:
https://doaj.org/article/8c0483580f09448b84191ad7b3e44130
Publikováno v:
IEEE Access, Vol 12, Pp 56872-56879 (2024)
A novel azimuth-independent dual linearly polarized (LP) transmitarray (TA) based on a polarization rotator is presented. The exploitation of either right-handed circularly polarized (RHCP) or left-handed CP (LHCP) scattered field is at the basis of
Externí odkaz:
https://doaj.org/article/6960fb71a50744e8ba22215703ce573b
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 1, Pp 112-123 (2024)
A novel approach for designing a circularly polarized (CP) transmitarray (TA) by resorting to the characteristic modes analysis (CMA) is presented. Two miniaturized dual-layer polarization-insensitive unit cells are tailored to provide the two copola
Externí odkaz:
https://doaj.org/article/6f934c546a624422af82d1d5ba0d4b49
Publikováno v:
Sensors, Vol 24, Iss 23, p 7801 (2024)
A novel design strategy for improving the radiative performance of simultaneous multibeam (SMB) phased arrays is addressed. The proposed scheme relies on the adoption of mixed and multiple antenna element factors with a dynamic selection of their rad
Externí odkaz:
https://doaj.org/article/2001df951e0a4a97b82a483cf451a6f3
Publikováno v:
Sensors, Vol 24, Iss 16, p 5340 (2024)
In order to perform complex manipulation and grasp tasks, robotic hands require sensors that can handle increasingly demanding functionality and degrees of freedom. This research paper proposes a radiofrequency sensor that uses a wireless connection
Externí odkaz:
https://doaj.org/article/2321249aba8647749e9b5b2916994486
Publikováno v:
IEEE Access, Vol 10, Pp 88932-88940 (2022)
A metasurface (MS) based on loop elements operating in the near field of a linearly-polarized microstrip antenna is employed to realize a circularly polarized radiated field. The properties of the loop unit cell are highlighted with the help of the C
Externí odkaz:
https://doaj.org/article/c340c97a13974029bfe35e18c9129e6a
Publikováno v:
IEEE Access, Vol 9, Pp 17530-17543 (2021)
A thorough analysis of the performance of planar arrays with a regular periodic lattice is carried out and applied to massive multiple-input-multiple-output (MIMO) systems operating within 5G NR n257 and n258 frequency band. It is shown that, among d
Externí odkaz:
https://doaj.org/article/9684e8be7c8d4d7c8a97737ea1cd2b66
Publikováno v:
IEEE Access, Vol 8, Pp 176050-176061 (2020)
This work addresses the use of the Characteristic Modes Analysis (CMA) for tailoring a Metasurface (MTS) in view of exploiting it in compact, low-profile, Circularly Polarized (CP) antennas. The investigated non-uniform MTS is exploited as a superstr
Externí odkaz:
https://doaj.org/article/b68027c272bc4c069b8f9b771aa955a2
Publikováno v:
IEEE Access, Vol 8, Pp 197745-197756 (2020)
The use of electromagnetic fields applied to human tissues has proven to be beneficial in several applications, such as monitoring physiological parameters and delivering medical treatments. Often applications rely on targeted energy deposition into
Externí odkaz:
https://doaj.org/article/d6742b1945bf4095b82a198361d65187
Publikováno v:
Sensors, Vol 22, Iss 11, p 4085 (2022)
Stretchable materials are widely used for the realization of various sensors, but their radio frequency behavior has not been fully characterized so far. Here, an innovative method is proposed for deriving the surface impedance of this kind of materi
Externí odkaz:
https://doaj.org/article/8689826ce4784221bf1f4917b9afb6d7