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Published in 2021 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078720001774
Abstract: Abstract In this paper, equilibrium optimization algorithm (EOA), which is a novel optimization algorithm, is applied to synthesize symmetrical linear antenna array and non-uniform circular antenna array (CAA). The main purpose of antenna array synthesis…
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Keywords:
optimization;
optimization algorithm;
element;
circular antenna ... See more keywords
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Published in 2020 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2019.2938788
Abstract: High-frequency (HF) ground-wave radars employing compact antenna arrays are advantageous in practical applications because of their convenient deployment. However, the direction-of-arrival (DOA) estimation accuracy may significantly degrade in the presence of array errors for compact…
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Keywords:
calibration;
array;
method;
antenna ... See more keywords
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Published in 2018 at "IEEE Antennas and Propagation Magazine"
DOI: 10.1109/map.2018.2859164
Abstract: Broadband copolarized monostatic circular-antenna arrays based on mode orthogonality principles are presented for in-band full-duplex (FD) applications. The simultaneous excitation of circular phase modes in a circular array with four elements provides ideally infinite isolation.…
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Keywords:
array;
monostatic circular;
antenna arrays;
circular antenna ... See more keywords
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Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2018.2846771
Abstract: A novel hybrid approach to suppress the maximum sidelobe level (SLL) of large scale concentric circular antenna array (CCAA) is proposed. The approach includes an improved discrete cuckoo search algorithm (IDCSA) for thinning the CCAA…
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Keywords:
concentric circular;
hybrid approach;
circular antenna;
cuckoo search ... See more keywords
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Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2018.2869257
Abstract: A new concept directed toward the location of an object within a sector of space is introduced, by using a combination of the properties associated with directional modulation when implemented on a circular antenna array.…
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Keywords:
array;
location;
target location;
circular antenna ... See more keywords
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Published in 2019 at "Radioengineering"
DOI: 10.13164/re.2019.0074
Abstract: This work proposes and describes a modular and innovative beamforming network (BFN) to feed a nonequally spaced circular antenna array. The structure is based on a set of alternated power combiners and dividers that delivers…
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Keywords:
circular antenna;
coherent;
antenna array;
network ... See more keywords
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Published in 2019 at "Progress In Electromagnetics Research C"
DOI: 10.2528/pierc19080607
Abstract: This paper presents a multi-band annular ring antenna that is obtained from a singlelayer probe-fed substrate integrated waveguide based on a graphene material, with three top plan slits. In order to create a multi-bands antenna,…
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Keywords:
waveguide circular;
integrated waveguide;
circular antenna;
antenna ... See more keywords