Results 1 to 10 of about 181 (138)
Leaky Wave Generation Through a Phased-Patch Array [PDF]
SensorsFor this article, we approximated the field of a leaky-wave antenna (LWA) with the field produced by a uniform linear array (ULA). This article aims to provide an initial framework for applications where the generation of an inhomogeneous wave is wished,
Alessandro Calcaterra +3 more
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Dual-Polarized Multi-Beam Fixed-Frequency Beam Scanning Leaky-Wave Antenna [PDF]
Sensors, 2023 A fixed-frequency beam-scanning leaky-wave antenna (LWA) array with three switchable dual-polarized beams is proposed and experimentally demonstrated. The proposed LWA array consists of three groups of spoof surface plasmon polaritons (SPPs) LWAs with ...
Dapeng Chu +4 more
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Wideband circularly polarized leaky wave rectenna [PDF]
Scientific ReportsThis paper presents a circular polarized rectenna based on a leaky wave antenna (LWA). Integrating circular polarization with leaky wave radiation greatly improves energy harvesting by minimizing polarization losses and extending the spatial range of ...
Nesma Mohamed +4 more
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Design of an omnidirectional conical beam leaky wave antenna using the holographic technique [PDF]
Scientific ReportsThe microwave holographic principle offers a promising framework for designing leaky-wave antennas (LWAs) with conical radiation patterns. In this paper, a holographic method is presented to synthesize an omnidirectional LWA with angular scanning ...
Samira Azad +4 more
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Wide Band Periodic 2D Leaky-Wave Antenna for Millimeter-Wave Application
IEEE Access, 2023 A wideband periodic leaky-wave antenna (LWA) is proposed in this paper. By using lossy dielectric material inside the wedge-like guide as medium for wave propagation, a leaky mode is excited and results in widening the bandwidth.
Abdullah Attar +2 more
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High Gain Periodic 2-D Leaky-Wave Antenna With Backward Radiation for Millimeter-Wave Band
IEEE Open Journal of Antennas and Propagation, 2021 A two-dimensional (2D) periodic leaky-wave antenna (LWA) is proposed in this article. Using dielectric-filled wedge-like waveguide as medium for wave propagation, the quasi-TEM wave inside the guide is leaked through periodic rings of narrow slots ...
Abdullah Attar, Abdel Razik Sebak
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IEEE Access, 2021 In this paper, a theoretical model based on the electric field integration method is proposed to analyse radiation properties of the slotted annular Leaky-Wave Antenna (LWA), which can generate a Circularly Polarized (CP) conical beam or broadside beam ...
Yuchen Ma, Junhong Wang
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IEEE Access, 2023 In this paper, a leaky-wave antenna (LWA) array based on substrate integrated waveguide (SIW) is proposed for generating bilateral secant-distributed radiation pattern, which can cover a wide angular range including broadside direction.
Yulu Zhang, Junhong Wang, Yunjie Geng
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Plasmonic leaky wave antenna based on modulated radius of cylindrical graphene waveguide
AIP Advances, 2021 In this paper, the concept, analysis, and synthesis of a novel plasmonic leaky wave antenna (LWA) based on the modulated radius of a cylindrical graphene waveguide (CGW) at the terahertz band are presented. Devices based on the planar graphene waveguide (
Hadi Soleimani, Homayoon Oraizi
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IEEE Access, 2022 A beam-changeable concentric annular Leaky-Wave Antenna (LWA) array is proposed, which contains two annular LWAs with constant-interval slots. By changing the excitations of the two LWAs, the radiation beam can be changed to different shapes and in ...
Yuchen Ma +4 more
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