Results 31 to 40 of about 181,285 (205)
Research on Spaceborne Multi-Beam Phased Array Fed Refl ector Antenna
天地一体化信息网络, 2022 Spaceborne multi-beam antenna is one of the main means to meet the needs of high-capacity and high-speed satellite communication services, and is widely used in various satellite communication systems.Various forms of antennas, such as spaceborne phased ...
Tao YANG, Lei LI, Yongqing ZOU
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Study of Horizontally Polarized Omnidirectional Microstrip Antenna Arrays [PDF]
Radioengineering, 2017 This paper presents two microstrip antenna arrays for horizontally polarized (HP) omnidirectional application, namely rectangular patch antenna array and H-shaped patch antenna array.
K. Wei, J. Y. Li, L. Wang, R. Xu
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Ain Shams Engineering Journal, 2021 In this paper, the antenna array appropriate topologies and configurations are investigated to reduce the impact of large gain variation between array elements that is produced due to the mutual coupling.
Amany M. Saleh +3 more
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MIMO Antenna Array Design with Polynomial Factorization
International Journal of Antennas and Propagation, 2013 One of the main advantages of multiple-input multiple-output (MIMO) antenna is that the degrees-of-freedom can be significantly increased by the concept of virtual antenna array, and thus the MIMO antenna array should be carefully designed to fully ...
Wen-Qin Wang, Huaizong Shao, Jingye Cai
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A Broadband Antenna Array Using Full-Wave Dipole
IEEE Access, 2017 This work introduces a bandwidth broadening technique for full-wave dipole (FWD) antennas and arrays, which are realized by introducing gaps in both two arms of the dipole.
Guang-Hua Sun, Sai-Wai Wong, Hang Wong
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Embryonics Based Phased Array Antenna Structure With Self-Repair Ability
IEEE Access, 2020 The reliability of phased array antenna can be improved with the self-repairing technology, and the existing self-repair method based on the TR module reconfiguration has problems such as slow calculation speed and difficulty in calculating the elements'
Sai Zhu +4 more
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IEEE Access, 2020 In this paper, a dual-band dual-polarized antenna array is presented for 5G base station application. The developed antenna array consists of a 4 × 4 planar MIMO array operating at 3.3-5.0 GHz band (upper band UB) and a single antenna element ...
Yufeng Zhu, Yikai Chen, Shiwen Yang
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Practical Noise Model of an Active Electronically Scanning Array
International Journal of Antennas and Propagation, 2023 Active electronically scanning arrays are now widely used in radar and communication systems. The noise characteristics are critical to the system signal-to-noise ratio, thus modeling of the antenna array noise is useful.
Jian Mi, Kan Wang, Zhao Li, Hongbing Sun
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IEEE Access, 2021 This research investigates four switched-beam multi-element circular array antenna schemes operating at 2.4-2.5 GHz for two-dimensional (2D) single-anchor indoor positioning applications.
Rattiya Kawdungta +3 more
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BROADBAND ANTENNAS AND ANTENNA ARRAYS WITH REACTIVE LOADS [PDF]
Telecommunications and Radio Engineering, 2018 Subject and Purpose. The results of studies of actual methods for expanding the frequency range of vibrational curved whip and loop antennas, and antenna arrays based on them are presented. Optimal designs of broadband antennas with the concentrated reactive loads included in the shoulders are considered. Methods and methodology.
V. V. Ovsyanikov, E. R. Beznosova
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