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Relevant bibliographies by topics / Wideband beam tilt

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Journal articles
Dissertations / Theses
Conference papers

Academic literature on the topic 'Wideband beam tilt'

Author: Grafiati

Published: 6 September 2023

Last updated: 31 July 2025

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Journal articles on the topic "Wideband beam tilt"

1

Shrestha, Sujan, Hijab Zahra, Syed Muzahir Abbas, Arslan Kiyani, Bahare Mohamadzade, and Mohsen Asadnia. "Generation of Beam Tilt through Three-Dimensional Printed Surface." Electronics 10, no. 24 (2021): 3174. http://dx.doi.org/10.3390/electronics10243174.

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In this paper, 3D printed surfaces are presented to study this technology’s application in generating beam tilt for the electromagnetic waves in the Ku-band. Additionally, the input source is maintained by a feed horn that is additively manufactured and is coated with copper spray paint to add conductivity, which is fed by a WR-75 waveguide. The proposed beam tilt generating surface is also referred to as a Beam Deviating Surface (BDS). There is no relative gap between the BDS and the aperture of the horn, which eventually decreased the overall antenna height. The BDS layer is able to deviate

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2

Zhu, Junli, Chuanyong Sun, Mengfei Chen, and Jingping Liu. "Design of Miniaturized Wideband Beam Deflection Conformal Array Antenna." Sensors 23, no. 2 (2023): 930. http://dx.doi.org/10.3390/s23020930.

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Antenna beam deflection, along with miniaturization and wideband of the antenna is in demand for practical applications. In this paper, a cylindrical conformal array antenna with a small-tilt forward beam was designed. The microstrip antenna unit was loaded with the artificial electromagnetic structure, which reduced the size of the antenna unit. As a result, the center spacing of the array elements can be shortened with the same array element spacing. The beam deflection angle can be increased in this way without increasing the coupling effect between the parts. Changing the number of line ar

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3

Umair, Hassan, Tarik Bin Abdul Latef, Yoshihide Yamada, et al. "Tilted Beam Fabry–Perot Antenna with Enhanced Gain and Broadband Low Backscattering." Electronics 10, no. 3 (2021): 267. http://dx.doi.org/10.3390/electronics10030267.

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Communication with low radar signature platforms requires antennas with low backscatter, to uphold the low observability attribute of the platforms. In this work, we present the design for a Fabry–Perot (F-P) cavity antenna with low monostatic radar cross section (RCS) and enhanced gain. In addition, peak radiation is tilted inthe elevation plane. This is achieved by incorporating phase gradient metasurface (PGM) with absorptive frequency selective surface (FSS). The periodic surface of metallic square loops with lumped resistors forms the absorptive surface, placed on top of a partially refle

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4

Scharmer, G. B., M. G. Löfdahl, G. Sliepen, and J. de la Cruz Rodríguez. "Is the sky the limit?" Astronomy & Astrophysics 626 (June 2019): A55. http://dx.doi.org/10.1051/0004-6361/201935735.

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We discuss the use of measurements of the solar granulation contrast as a measure of optical quality. We demonstrate that for data recorded with a telescope that uses adaptive optics and/or post-processing to compensate for many low- and high-order aberrations, the RMS granulation contrast is directly proportional to the Strehl ratio calculated from the residual (small-scale) wavefront error (static and/or from seeing). We demonstrate that the wings of the high-order compensated point spread function for the Swedish 1-m Solar Telescope (SST) are likely to extend to a radius of not more than ab

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Nurhayati, Nurhayati, Eko Setijadi, Alexandre Maniçoba de Oliveira, Dayat Kurniawan, and Mohd Najib Mohd Yasin. "Design of 1 × 2 MIMO Palm Tree Coplanar Vivaldi Antenna in the E-Plane with Different Patch Structure." Electronics 12, no. 1 (2022): 177. http://dx.doi.org/10.3390/electronics12010177.

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In this paper, 1 × 2 MIMO of Palm Tree Coplanar Vivaldi Antenna is presented that simulated at 0.5–4.5 GHz. Some GPR applications require wideband antennas starting from a frequency below 1 GHz to overcome high material loss and achieve deeper penetration. However, to boost the gain, antennas are set up in MIMO and this is costly due to the large size of the antenna. When configuring MIMO antenna in the E-plane, there is occasionally uncertainty over which antenna model may provide the optimum performance in terms of return loss, mutual coupling, directivity, beam squint, beam width, and surfa

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6

Yang, Liu, Xiaozhong He, Xiaoding Zhang, et al. "Bunch-by-bunch position measurement with sub-micron resolution at nanoseconds separation using wideband cavity beam position monitors." Review of Scientific Instruments 95, no. 12 (2024). https://doi.org/10.1063/5.0237532.

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We developed a wideband RF cavity beam position monitor (CBPM) with a 217 MHz bandwidth centered at the 4.875 GHz dipole mode frequency as part of the preliminary research for a high-repetition-rate hard x-ray free electron laser project at the Chinese Academy of Engineering Physics. This paper presents new results demonstrating bunch-by-bunch position measurements on electron bunches spaced by 2.3 ns (4 bunches per train). Over a measurement range of ∼100 μm, this wideband CBPM achieved a spatial resolution of 0.8 μm at a bunch charge of 80 pC. Position and tilt variations between bunches on

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7

Zhu, Yuancheng, Yongqiang Zhu, Longhua Zou, Han Chi, Huyue Zhuang, and Pingxia Zhang. "A sectional nonlinear wideband piezoelectric-magnetic coupled energy collector for collecting multi-directional vibrational energy." Smart Materials and Structures, August 21, 2024. http://dx.doi.org/10.1088/1361-665x/ad7214.

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Abstract The classic vibration energy collector has functional restrictions, and it can only collect vibration energy in one or two dimensions. At the same time, it has issues with low output power in the low-frequency vibration region and a limited reaction frequency range. This research proposes a segmented nonlinear broadband piezoelectric-magnetic coupled energy collector capable of collecting vibration energyin different directions. The collector is equivalent to current state-of-the-art research inthat it can collect vibration energy in three dimensions while also having a widecollection

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8

Esmail, Bashar A. F., and Slawomir Koziel. "Design and optimization of metamaterial-based highly-isolated MIMO antenna with high gain and beam tilting ability for 5G millimeter wave applications." Scientific Reports 14, no. 1 (2024). http://dx.doi.org/10.1038/s41598-024-53723-8.

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AbstractThis paper presents a wideband multiple-input multiple-output (MIMO) antenna with high gain and isolation, as well as beam tilting capability, for 5G millimeter wave (MMW) applications. A single bow-tie antenna fed by a substrate-integrated waveguide (SIW) is proposed to cover the 28 GHz band (26.5–29.5 GHz) with a maximum gain of 6.35 dB. To enhance the gain, H-shaped metamaterial (MM)-based components are incorporated into the antenna substrate. The trust-region (TR) gradient-based search algorithm is employed to optimize the H-shape dimensions and to achieve a maximum gain of 11.2 d

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Zhang, Yunqi, Jiateng Chen, Xuping Li, et al. "Wideband Simultaneous Dual Circularly Polarized Phased Array Subarray with Scalable Characteristics for Satellite Communications." Applied Computational Electromagnetics Society Journal (ACES), March 31, 2024, 246–53. http://dx.doi.org/10.13052/2024.aces.j.390310.

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This paper proposes a budget-friendly, highly integrated, and low-profile wideband simultaneous dual circularly polarized phased array subarray with scalable characteristics for satellite communications. In order to achieve wideband, the antenna unit is not only fed by double-fed point probe contact, but also by electromagnetic coupling. Moreover, the dual circularly polarized radiation of the antenna unit is realized by a miniaturized 3 dB bridge-type phase-shift network. In addition, the phased array subarray uses metalized vias to reduce inter-element crosstalk, which effectively improves t

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Nahar, Tapan, and Sanyog Rawat. "Survey of various bandwidth enhancement techniques used for 5G antennas." International Journal of Microwave and Wireless Technologies, February 2, 2021, 1–21. http://dx.doi.org/10.1017/s1759078720001804.

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Abstract Fifth-generation technology is not fully deployed in the world wireless communication till date. Millimeter-wave (mm-wave) band needs to be used due to plenty of available bandwidth and for achieving the goals of 5G such as greater data rate, ultra-high-speed video broadcasting, low latency services, and many more. Wideband antenna is required for 5G applications to access the high speed, low latency Internet services, and ultra-high-definition video streaming. Various bandwidth enhancement techniques have been reported by the researchers for microstrip antennas operating at microwave

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Dissertations / Theses on the topic "Wideband beam tilt"

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Roy, Aritra. "Design of Compact Antennas With Metasurface for Wideband and Wireless Applications." Thesis, 2022. https://etd.iisc.ac.in/handle/2005/6034.

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An antenna is one of the essential elements in a wireless system, that converts the guided waves in an electronic circuit to unguided waves in the air and vice versa. They are often designed according to the specifications of the underlying system. Compact antennas are required in miniaturised systems such as those used in an aircraft. They are designed by modifying or appending the antenna with additional structures or circuit elements without degrading its responses. In this thesis, the design of compact antennas is investigated with metasurface for two unique purposes - i. wideband

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Conference papers on the topic "Wideband beam tilt"

1

Shen, Lin-Ping, Hua Wang, Nasrin Hojjat, Willi Lotz, and Hamid Jamali. "Dual-Polarized Wideband Remote Electrical Tilt Multi-Beam Antennas." In 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2018. http://dx.doi.org/10.1109/apusncursinrsm.2018.8608298.

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