Zobrazeno 1 - 10
of 616
pro vyhledávání: '"Notch band"'
Publikováno v:
World Journal of Engineering, 2023, Vol. 21, Issue 4, pp. 821-834.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/WJE-08-2022-0333
Publikováno v:
Memories - Materials, Devices, Circuits and Systems, Vol 8, Iss , Pp 100112- (2024)
This study deals with a passive RF duplexer integrated with a two-notch band. To design the model, a band-pass filter is considered. Using micro-strip technology, the RF duplexer substation is simulated. It is a rectangular in parallel coupling with
Externí odkaz:
https://doaj.org/article/034efef71890448fb0ac1b0eaeb1b962
Autor:
Suleiman Aliyu Babale, Tan Kim Geok, Sharul Kamal Abdul Rahim, Chia Pao Liew, Umar Musa, Mukhtar Fatihu Hamza, Yaser Awadh Bakhuraisa, Li Li Lim
Publikováno v:
IEEE Access, Vol 12, Pp 80669-80686 (2024)
A multiband microstrip-fed wideband (WB) antenna with filtering notches is described for $3 \mathrm {G} / 4 \mathrm {G} / 5 \mathrm {G}$ applications. The proposed antenna comprises three notch bands by etching a modified inverted U-slot, a square ri
Externí odkaz:
https://doaj.org/article/d5a80e69f0c647a581a65bbf3eb97d01
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 2, Pp 330-339 (2024)
A class of dielectric filtering inverted-L antenna with reflective- and quasi-reflectionless-type radiation nulls is proposed to achieve wideband or dual-band operation. To this aim, a dual-function dissipative branch is exploited, which is in-parall
Externí odkaz:
https://doaj.org/article/b99b65b47b34408994fb1c478294cf64
Autor:
Nurhayati Nurhayati, Fitri Yuli Zulkifli, Eko Setijadi, Bagus Edy Sukoco, Mohd Najib Mohd Yasin, Alexandre Manicoba De Oliveira
Publikováno v:
IEEE Access, Vol 12, Pp 16926-16938 (2024)
Antennas with high gain that can operate in Super Wide Band (SWB) frequencies can be employed for a variety of wireless applications that serve different telecommunications infrastructure and radar applications. However, wide-bandwidth antennas suffe
Externí odkaz:
https://doaj.org/article/c264449e0e2a41448b1447e10eb344c1
Autor:
Siyu Yang, Shuang Liu, Fachun He, Huali Zhu, Liangjing Wang, Dan Lei, Chan Gao, Jun Yan, kShuang Liu
Publikováno v:
IEEE Access, Vol 12, Pp 7244-7254 (2024)
We proposed a folded line spoof surface plasmonic polaritons (SSPPs) waveguide that allows for efficient and strongly constrained microwave SSPPs transmission. The dispersion characteristics of SSPPs waveguides based on folded line unit is investigat
Externí odkaz:
https://doaj.org/article/95cef3338864436d99f00e4cd8ba4900
Autor:
Tanvir Islam, Esraa Mousa Ali, Wahaj Abbas Awan, Mohammed S. Alzaidi, Thamer A.H. Alghamdi, Moath Alathbah
Publikováno v:
Heliyon, Vol 10, Iss 1, Pp e23711- (2024)
A staircase-shaped quasi-fractal antenna is presented to meet the requirements of compact electronics operating in UWB or E-UWB spectrum. A conventional broadband monopole antenna is converted into UWB antenna utilizing three iterations of fractal pa
Externí odkaz:
https://doaj.org/article/bb029475bef841a696276c7335f661cc
Publikováno v:
Alexandria Engineering Journal, Vol 79, Iss , Pp 402-410 (2023)
This paper presents a planar CPW-fed Ultrawideband (UWB) antenna with two independently tunable notch bands. The proposed design consists of a modified Rhombus-shaped monopole structure that is integrated with a dual band-stop filter based on hexagon
Externí odkaz:
https://doaj.org/article/34cac5813ef342329e720dcd09c26a6e
Publikováno v:
Micromachines, Vol 15, Iss 5, p 638 (2024)
In this article, an ultra-wideband (UWB) antenna featuring two reconfigurable quasi-perfect stop bands at WLAN (5.25–5.75 GHz) and lower 5G (3.4–3.8 GHz) utilizing electromagnetic bandgaps (EBGs) and positive-intrinsic-negative (P-I-N) diodes is
Externí odkaz:
https://doaj.org/article/d2a2c917d7bd43dc95d57b0669805fdc
Single iterated fractal inspired UWB antenna with reconfigurable notch bands for compact electronics
Autor:
Musa Hussain, Tanvir Islam, Mohammed S. Alzaidi, Dalia H. Elkamchouchi, Fahad N. Alsunaydih, Fahd Alsaleem, Khaled Alhassoon
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21419- (2023)
A simple, compact, and low-profile antenna operating over ultrawideband with high gain is presented in this manuscript. The antenna has dimensions of W × L = 19 mm × 21 mm and is placed on the rear side of the FR-4 substrate material. The antenna c
Externí odkaz:
https://doaj.org/article/462f95a654774c169236665baeb445e5