Articles with "vortex electromagnetic" as a keyword



A vortex electromagnetic wave mode detection method based on the phase gradient technique

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Published in 2025 at "Physica Scripta"

DOI: 10.1088/1402-4896/ae1365

Abstract: As conventional wireless communication systems approach their theoretical capacity limits, orbital angular momentum (OAM) has emerged as a promising solution for enhancing spectral efficiency by providing additional degrees of freedom. However, the helical phase structure… read more here.

Keywords: method; mode; phase gradient; vortex electromagnetic ... See more keywords

Vortex Electromagnetic Radar Imaging and Adaptive Resource Scheduling Based on Uniform Concentric Circular Arrays

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Published in 2024 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2024.3405969

Abstract: Vortex electromagnetic radar can achieve high-resolution imaging according to the approximate dual relationship between orbital angular momentum (OAM) mode variable and target azimuth variable. The azimuth resolution is determined by the number of OAM modes,… read more here.

Keywords: oam modes; adaptive resource; vortex electromagnetic; electromagnetic radar ... See more keywords

Enhanced Mode Measurement of Vortex Electromagnetic Wave Based on Aperture Symmetry

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Published in 2025 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2025.3540286

Abstract: The accurate mode measurement of the vortex electromagnetic wave is the basis of the demodulation of vortex electromagnetic waves. However, the hollow divergence characteristic of the vortex electromagnetic wave makes the traditional mode measurement method… read more here.

Keywords: aperture; electromagnetic wave; vortex electromagnetic; mode measurement ... See more keywords

Generating Circularly Polarized Vortex Electromagnetic Waves by the Conical Conformal Patch Antenna

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Published in 2019 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2019.2922545

Abstract: The generation of vortex electromagnetic (EM) waves carrying orbital angular momentum (OAM) has attracted more and more attention due to its special characteristics and potential applications. In this paper, the circularly polarized vortex EM waves… read more here.

Keywords: patch; polarized vortex; antenna; circularly polarized ... See more keywords

Mode Measurement of Vortex Electromagnetic Wave With Random Receiving Array Element Defects via Low Rank Matrix Completion

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Published in 2024 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2024.3454456

Abstract: Vortex electromagnetic waves carrying orbital angular momentum have been widely studied in many fields because of their unique helical phase structure. The vortex electromagnetic waves can be received by the array elements uniformly placed on… read more here.

Keywords: mode measurement; array element; vortex electromagnetic; random receiving ... See more keywords