Zobrazeno 1 - 10
of 5 464
pro vyhledávání: '"frequency selective surface"'
Autor:
Abhishek Kandwal, Sudershan Dutt, Louis W. Y. Liu, Zedong Nie, Rohit Jasrotia, Choon Kit Chan, Ali M. Almuhlafi, Hamsakutty Vettikalladi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Nowadays, the operating principle of most of the experimental electromagnetic glucose sensors is based on the effect of an anomalous dispersion caused by a direct contact between an object under test and a two-dimensional metasurface. Due to
Externí odkaz:
https://doaj.org/article/a68239d0476547789de4cde3cf625e03
Autor:
Isaú de Sousa Silva Junior, Alfredo Gomes Neto, Maurício Weber Benjó da Silva, Antonio Luiz Pereira de Siqueira Campos
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 23, Iss 3 (2024)
Abstract This work proposes the integration of a monopole antenna with a frequency selective surface (FSS) with double square loop geometry, which operates in the ISM (2.4 - 2.4835 GHz) and IEEE 802.11 WLAN (5.15-5.725 GHz) bands. The FSS was develop
Externí odkaz:
https://doaj.org/article/283e99a3cc8847c4b560d613ee14e287
Autor:
C. Renit, T. Ajith Bosco Raj
Publikováno v:
Automatika, Vol 65, Iss 2, Pp 454-462 (2024)
The ever-growing miniaturization of electronic devices is foremost due to a wide range of changes in shrinking the wearable devices. This article focuses on a small, wearable antenna with dual bands for 5G and Wi-Fi communications. The Frequency Sele
Externí odkaz:
https://doaj.org/article/cfe0556252b849efba90ba3d134e7133
Akademický článek
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Publikováno v:
Case Studies in Thermal Engineering, Vol 61, Iss , Pp 104919- (2024)
Microwave heating has attracted interests in many industrial applications, yet heating inhomogeneity remains a critical issue. This study proposes a novel approach to enhance microwave heating uniformity employing a switchable frequency selective sur
Externí odkaz:
https://doaj.org/article/b66f9cc849bd41c8b0b4e0575052ba3e
Autor:
Thamyris da Silva Evangelista, Juliete da Silva Souza, Alexandre Jean René Serres, Alfredo Gomes Neto
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 23, Iss 2 (2024)
Abstract This paper introduces a novel reconfigurable superstrate using a band-stop frequency selective surface (FSS) based on four arms star geometry. The proposed reconfigurable superstrate is applied to a dipole antenna for use in 5G NR technology
Externí odkaz:
https://doaj.org/article/8531f5a7f5324a26be9820cf1046ec20
Publikováno v:
IEEE Access, Vol 12, Pp 174623-174629 (2024)
The extensile frequency selective surface (FSS) with controllable passband frequency for electromagnetic (EM) transparent antenna is proposed in this work. In the interleaved scheme array, the low band (LB) antenna casts a shadow over the high band (
Externí odkaz:
https://doaj.org/article/33ab78e7ff9e4ec5ad2708c41fbc63e0
Publikováno v:
IEEE Access, Vol 12, Pp 141878-141889 (2024)
This paper presents a wide incident angle, wideband, and polarization-insensitive unit cell frequency-selective surface (FSS) on single- and double-glazing glass. The 5G signal losses due to the shielding of building materials lead to high penetratio
Externí odkaz:
https://doaj.org/article/1c6d76d12b5f4982b56c337888eb373d
Autor:
Dongju Choi, Gangil Byun
Publikováno v:
IEEE Access, Vol 12, Pp 120219-120225 (2024)
This article proposes an approach to circular polarization conversion using two anisotropic frequency selective surfaces in a frequency-duplex system. We focus on validating the proposed conversion topology from H-polarization to left-hand circular p
Externí odkaz:
https://doaj.org/article/72e218f78413412290d599b13df1e176
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 4, Pp 922-932 (2024)
In this paper, a miniaturized design of dual transmission frequency selective rasorber (FSR) with absorption-transmission-absorption-transmission (A-T-A-T) feature is proposed. Initially, lowfrequency resonators are incorporated on the square ring sh
Externí odkaz:
https://doaj.org/article/ccac922e4644423bb5056c6b49f1b83d