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Journal articles on the topic 'Wide scan-angle array'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Noordin, N. H., T. Arslan, B. Flynn, and A. T. Erdogan. "Low-cost antenna array with wide scan angle property." IET Microwaves, Antennas & Propagation 6, no. 15 (2012): 1717–27. http://dx.doi.org/10.1049/iet-map.2012.0360.

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2

Hori, Toshikazu, Noriyoshi Terada, and Ken-Ichi Kagoshima. "Switched-element spherical array antenna for wide scan angle." Electronics and Communications in Japan (Part I: Communications) 71, no. 4 (1988): 117–25. http://dx.doi.org/10.1002/ecja.4410710412.

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3

Ye, Yuan, Zhao Huang, Yun Jiang, et al. "A Wideband and Wide Scanning Tightly Coupled Dipole Array with Meta-Surface Wide-Angle Impedance Matching." Applied Computational Electromagnetics Society 36, no. 7 (2021): 872–78. http://dx.doi.org/10.47037/2021.aces.j.360708.

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A low profile ultra-wideband tightly coupled dipole array is studied. The antenna elements are fed by Marchand baluns of small size and low cost. A metasurface based wide-angle impedance matching (MSWAIM) layer is introduced to replace the traditional dielectric WAIM, improving the beam scan performance and reducing the antenna profile. The simulation shows that the proposed antenna array can operate over 2.4-12.4 GHz, approximately 5:1 bandwidth with maximum scanning angle of 50o for both E plane and 45o for H plane. The antenna profile above the ground is only 0.578λH at the highest operatin
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4

Goswami, Sivaranjan, Kandarpa Kumar Sarma, and Kumaresh Sarmah. "Synthesis of a Sparse 2D-Scanning Array using Particle Swarm Optimization for Side-Lobe Reduction." WSEAS TRANSACTIONS ON COMMUNICATIONS 20 (August 10, 2021): 112–16. http://dx.doi.org/10.37394/23204.2021.20.14.

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Synthesis of sparse arrays is a promising area of research for a wide range of applications including radar and millimeter-wave wireless communication. The design goal of array thinning problems is to reduce the number of elements of an array without significantly affecting its performance. This work presents a technique for synthesizing a sparse phased-array antenna from a 16×16 uniform rectangular array (URA). The proposed approach reduces the number of elements by 50% without any significant increase in the peak sidelobe level (PSLL) for all possible scan angles in the azimuthal and elevati
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5

Liu, Yi, Hu Yang, Zusheng Jin, and Jiang Zhu. "An Improvement Approach for Wide-Angle Impedance Matching Using ELC Metasurface Slabs for SIW Slot Array Antennas." International Journal of Antennas and Propagation 2018 (2018): 1–8. http://dx.doi.org/10.1155/2018/3164147.

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The effects of mutual coupling in beam scanning arrays increase degradation in gain as the beam is scanned off the broadside. A simple and effective approach for a deployed SIW slot array antenna through the use of artificially structured materials is proposed to improve its performance of wide-angle scanning in the E-plane. Metasurface slabs of one-tenth wavelength electric-inductive-capacitive (ELC) resonators are vertically placed halfway between the adjacent waveguides without changing the antenna structure to realize wide-angle impedance matching (WAIM). The ELC metasurface is designed to
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6

Beenamole, K. S., Prem N. S. Kutiyal, U. K. Revankar, and V. M. Pandharipande. "Resonant microstrip meander line antenna element for wide scan angle active phased array antennas." Microwave and Optical Technology Letters 50, no. 7 (2008): 1737–40. http://dx.doi.org/10.1002/mop.23531.

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7

Nalumakkal, Priya Suresh, K. Maheshwara Reddy, K. J. Vinoy, and Saurabh Shukla. "Wideband stripline fed tapered slot antenna with integral coupler for wide scan angle active phased array." IET Microwaves, Antennas & Propagation 12, no. 9 (2018): 1487–93. http://dx.doi.org/10.1049/iet-map.2017.0784.

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8

Heywood, I., E. Lenc, P. Serra, et al. "Field sources near the southern-sky calibrator PKS B1934-638: effect on spectral line observations with SKA-MID and its precursors." Monthly Notices of the Royal Astronomical Society 494, no. 4 (2020): 5018–28. http://dx.doi.org/10.1093/mnras/staa941.

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ABSTRACT Accurate instrumental bandpass corrections are essential for the reliable interpretation of spectral lines from targeted and survey-mode observations with radio interferometers. Bandpass correction is typically performed by comparing measurements of a strong calibrator source to an assumed model, typically an isolated point source. The wide field-of-view and high sensitivity of modern interferometers means that additional sources are often detected in observations of calibrators. This can introduce errors into bandpass corrections and subsequently the target data if not properly accou
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9

Awida, Mohamed H., Aladin H. Kamel, and Aly E. Fathy. "Analysis and Design of Wide-Scan Angle Wide-Band Phased Arrays of Substrate-Integrated Cavity-Backed Patches." IEEE Transactions on Antennas and Propagation 61, no. 6 (2013): 3034–41. http://dx.doi.org/10.1109/tap.2013.2251595.

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10

Córcoles, Juan, Miguel A. González, Jesús Rubio, and Juan Zapata. "Performance characterization of wideband, wide-angle scan arrays of cavity-backed U-slot microstrip patch antennas." International Journal of RF and Microwave Computer-Aided Engineering 19, no. 3 (2008): 389–96. http://dx.doi.org/10.1002/mmce.20361.

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11

Li, Yan, Ruoxin Li, Jianbo Zhang, Buning Tian, Jixiang Wan, and Chunbang Wu. "A single layer broadband microstrip ring antenna for wide-angle scan phased array." Electromagnetics, August 4, 2021, 1–8. http://dx.doi.org/10.1080/02726343.2021.1962605.

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12

Cheng, You‐Feng, Zhi‐Heng Gao, Lin Yang, and Cheng Liao. "A planar end‐loaded dipole phased array with enhanced bandwidth and wide‐angle scan." International Journal of RF and Microwave Computer-Aided Engineering 31, no. 10 (2021). http://dx.doi.org/10.1002/mmce.22799.

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13

Cheng, You‐Feng, Zhi‐Heng Gao, Lin Yang, and Cheng Liao. "A planar end‐loaded dipole phased array with enhanced bandwidth and wide‐angle scan." International Journal of RF and Microwave Computer-Aided Engineering 31, no. 10 (2021). http://dx.doi.org/10.1002/mmce.22843.

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14

Ahn, ByungKuon, In-June Hwang, Kwang-Seok Kim, Soo-Chang Chae, Jong-Won Yu, and Han Lim Lee. "Wide-Angle Scanning Phased Array Antenna using High Gain Pattern Reconfigurable Antenna Elements." Scientific Reports 9, no. 1 (2019). http://dx.doi.org/10.1038/s41598-019-54120-2.

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AbstractThis paper presents a wide-angle scanning phased array antenna using high gain pattern reconfigurable antenna (PRA) elements. Using PRA elements is an attractive solution for wide-angle scanning phased array antennas because the scanning range can be divided into several subspaces. To achieve the desired scanning performance, some characteristics of the PRA element such as the number of switching modes, tilt angle, and maximum half-power beamwidth (HPBW) are required. We analyzed the required characteristics of the PRA element according to the target scanning range and element spacing,
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15

Wang, Zhonghan, and Yaoliang Song. "A waveform design method for frequency diverse array systems based on diversity linear chirp waveforms." International Journal of Microwave and Wireless Technologies, February 11, 2021, 1–8. http://dx.doi.org/10.1017/s1759078720001749.

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Abstract A frequency diverse array (FDA) radar has attracted wide attention, due to its capability to provide a range-angle dependent beampattern and to scan the spatial without phase shifters or rotating arrays. However, FDA systems will suffer from low echo signal energy or high sidelobe peaks when detecting targets by beamforming based on existing receivers. To reduce the sidelobe peak of detection results while increasing the echo signal energy, in this paper, we propose an FDA radar system based on diversity linear frequency modulation waveforms. Correspondingly, we propose a receiver arc
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16

Aziz, Imran, Erik Öjefors, and Dragos Dancila. "Connected slots antenna array feeding a high-gain lens for wide-angle beam-steering applications." International Journal of Microwave and Wireless Technologies, April 19, 2021, 1–9. http://dx.doi.org/10.1017/s175907872100012x.

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Abstract This paper presents a 60 GHz connected slots linear-phased array feeding a high-gain semi-symmetric lens antenna. This design provides high gain, broadband, and beam-steering capabilities for gigabit rate access and backhaul communications. The connected slots antenna array (CSAA) is excited at 16× equidistant points which not only yields spatial power combining but also allows the progressive phase changes to steer the beam in ±45° in azimuth plane. To characterize the CSAA-fed lens antenna, four different power splitters are fabricated which steer the main beam in 0, 15, 30, and 45°
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17

Siljama, Oskar, Tuomas Koskinen, Oskari Jessen-Juhler, and Iikka Virkkunen. "Automated Flaw Detection in Multi-channel Phased Array Ultrasonic Data Using Machine Learning." Journal of Nondestructive Evaluation 40, no. 3 (2021). http://dx.doi.org/10.1007/s10921-021-00796-4.

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AbstractModern ultrasonic inspections utilize ever-richer data-sets made possible by phased array equipment. A typical inspection may include tens of channels with different refraction angle, that are acquired at high speed. These rich data sets allow highly reliable and efficient inspection in complex cases, such as dissimilar metal or austenitic stainless steel welds. The rich data sets allow human inspectors to detect cracks with low signal-to-noise ratio from the wider signal patterns. There’s a clear trend in the industry to even richer data sets with full matrix capture (FMC) and related
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