Results 21 to 30 of about 2,845,707 (370)
Butler Matrix 4x4 untuk Aplikasi Wideband-Radar
Journal of Informatics and Communication Technology (JICT), 2019 In this research, a 4x4 butler matrix for wideband-radar application with frequency range in S- Band (operation frequency at 3 GHz) was designed with 4 hybrid coupler and 2 crossover coupler in it. Using electromagnetic band gap (EBG) technique to increase the bandwidth by put the perforated structures (holes) at the ground plane. The research results (
Samsurizal Rizal +2 more
openaire +3 more sources
Compact 28 GHz Folded Butler Matrix Using Low-Temperature Co-fired Ceramics [PDF]
Journal of Electromagnetic Engineering and Science, 2022 This paper introduces a miniaturized Butler matrix design method using a folded structure. The Butler matrix was fabricated in multi-layers using low-temperature co-fired ceramics (LTCC) and designed to operate at 28 GHz.
Seunggoo Nam +3 more
doaj +1 more source
Low loss waveguide-based Butler matrix with iris coupling control method for millimeterwave applications [PDF]
, 2021 This paper proposes a low loss 4×4 Butler matrix based on rectangular waveguide cavity resonators technology for millimeterwave beamforming network using iris coupling method.
A. Majid, H. +7 more
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A Compact Design of 4×4 Butler Matrix with Four Linear Array Antenna at 38 GHz
International Journal of Electrical, Energy and Power System Engineering, 2022 This paper creates a compact design of a 4×4 butler matrix integrated with an array of antenna elements at 38 GHz frequency. The antenna simulation performance is acceptable, approaching the ideal one.
Yusnita Rahayu +2 more
doaj +1 more source
Multi-Beam 5G Antenna With Miniaturized Butler Matrix Using Stacked LTCC
IEEE Access, 2023 In this work, we present a compact four-direction beamforming 5G antenna based on a stacked $4\times4$ Butler matrix and a microstrip patch array antenna.
Jaewoong Jung +2 more
doaj +1 more source
Millimeter-Wave Butler Matrix Beamforming Circuit Using Finline in Double-Layer Dielectric Substrate
IEEE Open Journal of Antennas and Propagation, 2020 This article presents a new kind of finline in double-layer dielectric substrate and its beamforming circuit of Butler matrix in the millimeter-wave band. The finline is constructed by inserting a slotline between two dielectric substrate layers. In this
Nguyen Thanh Tuan +5 more
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IEEE Access, 2022 We are developing a spatial multiplexing technique based on orbital angular momentum (OAM) that is capable of 1 Tbit/s point-to-point wireless transmissions for the sixth generation mobile communication system.
Yasunori Yagi +2 more
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Caravelle, 2021 This article reflects on the recent productions of marginal peripheral literature, particularly the case of the poetry of Alessandro Buzo’s poetry in light of the notions of the abject as a matrix of segregation (Kristeva, Butler), fear as political ...
Jorge Ignacio Cid Alarcón
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IEEE Access, 2020 In this paper, a smart antenna array based on the image-aware technique that can automatically switch its beam to track users is proposed. Mobilenet, a deep neural network (DNN), is utilized to find the users' position information from images; it is ...
Yuchen Ma +7 more
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A miniaturised butler matrix based on patch hybrid couplers with cross slots [PDF]
, 2013 Session - Antenna Feeds and Matching I: paper IF440.7In this paper, a miniaturised Butler matrix using 3-dB cross-slotted patch hybrids is presented.
Gao, S, Li, Y, Liu, Q, Sun, S
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