Results 11 to 20 of about 20,247 (218)
Design of a Bandpass Rectangular Waveguide Filter Based on Direct Coupled Technique [PDF]
International Journal of Electronics and Telecommunications, 2022 This paper presents how to design and simulate two different topologies of a bandpass (BP) rectangular waveguide filter using a direct coupled resonator technique operating at 12 GHz.
Gouni Slimane +3 more
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PLoS Medicine, 2022 BackgroundRestricting the advertisement of products with high fat, salt, and sugar (HFSS) content has been recommended as a policy tool to improve diet and tackle obesity, but the impact on HFSS purchasing is unknown.
Amy Yau +17 more
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Dual Band Integrated Wideband Multi Resonating Patch Antenna for C–Band and Ku–Band Applications [PDF]
International Journal of Electronics and Telecommunications, 2019 A wideband antenna with dual band characteristic at 5.33/14.3GHz with resonating frequencies for wireless applications is presented. The strategy of the design is to introduce multiband in antenna band.
Karunesh Srivastava +3 more
doaj +1 more source
Jurnal Elektronika dan Telekomunikasi, 2022 In the development of telecommunications in Indonesia, cellular networks, especially 4G, have grown rapidly since the launch of 4G LTE services. In the implementation of LTE, an antenna that has performance values of bandwidth, working frequency, VSWR ...
Ahmad Heri Ilyasah +2 more
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tri-band antenna, microstrip antenna, genetic algorithm optimization, mm-wave antenna
AIMS Electronics and Electrical Engineering, 2022 The proposed reconfigurable BPF satisfies the International Telecommunication Unionos (ITU) region 3 spectrum requirement. In transmit mode, the frequency range 11.41-12.92 GHz is used by the direct broadcast service (DBS) and the fixed satellite service
Ambati. Navya +2 more
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Size Miniaturized Fractal Nested Circular Rings-Shaped Microstrip Antenna for Various Wireless Applications [PDF]
Engineering and Technology Journal, 2018 In this paper; a wideband fractal circular rings shaped microstrip antenna over partial rectangular ground plane is presented. Fractal geometry technique is used in order to take advantage of its self-similar property which lead to attain not only size ...
Shereen Shandal +2 more
doaj +1 more source
Jordanian Journal of Computers and Information Technology, 2021 In this paper, Hairpin Bandpass Filter (HPBF) is designed, simulated and fabricated at two 5G low-frequency bands: 3.7 GHz - 4.2 GHz and 5.975 GHz -7.125 GHz.
Sahar Saleh +5 more
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A Substrate Integrated Waveguide Slotted Antenna
Известия высших учебных заведений России: Радиоэлектроника, 2023 Introduction. Slotted waveguide antenna arrays are widely used across centimeter- and millimeter-wavelength ranges due to numerous advantages, including their good directional properties, compact dimensions, flat shape, convenience of power supply, and ...
V. G. Koshkid’ko +2 more
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Jordanian Journal of Computers and Information Technology, 2020 In this article, compact N-way Ultra Wide Band (UWB) equal and unequal split Wilkinson Power Dividers (WPDs) using exponentially λ/4 Tapered Transmission Line Transformers (TTLTs) are designed.
Sahar Saleh +5 more
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Mine UWB radio frequency front-end electromagnetic co-simulation method based on ADS and HFSS
Gong-kuang zidonghua, 2023 The radio frequency front-end is an important part of mine ultra-wideband (UWB) positioning system. Its electromagnetic performance affects positioning precision. At present, the RF front-end design of the UWB positioning system is generally simulated by
REN Wenqing
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