Results 11 to 20 of about 181 (138)
Full‐angle beam scanning leaky‐wave antenna array based on spoof surface plasmon polaritons
IET Microwaves, Antennas & PropagationA design scheme of high‐gain and full‐angle frequency beam scanning leaky wave antenna (LWA) and array is proposed based on spoof surface plasmon polaritons (SSPPs) slow‐wave transmission line (TL) for radar field applications.
Jun Wang +4 more
doaj +2 more sources
An Extremely Low‐Profile Electronically Reconfigurable 1‐D X‐Band Leaky‐Wave Antenna
IET Microwaves, Antennas & PropagationIn this work, a simple analytical model based on the array factor to effect 1‐bit electronic reconfigurability in one‐dimensional 1‐D leaky‐wave antennas (LWAs) is proposed. The model, based on the array factor, outlines the discrete control of the phase
Kevin Kipruto Mutai +2 more
doaj +2 more sources
IET Microwaves, Antennas & PropagationA compact leaky‐wave antenna (LWA) with innovative phase‐shift asymmetric coupling for continuous beam scanning is presented. The antenna utilises a slow‐wave half‐mode substrate integrated waveguide with spoof surface plasmon polaritons (SW‐HMSIW‐SSPP ...
Yiming Zhang, Yuxi Liu, Sailing He
doaj +2 more sources
Terminal-Matched Topological Photonic Substrate-Integrated Waveguides and Antennas for Microwave Systems. [PDF]
Adv Sci (Weinh)Topological photonic substrate‐integrated waveguide is seamlessly integrated into the traditional microstrip line systems, achieving efficient coupling of both even and odd TP modes with the quasi‐transverse electromagnetic modes of the microstrip lines. This breakthrough minimizes energy losses and opens new possibilities for the practical application
Xu Z +8 more
europepmc +2 more sources
Improved Design of Uniform SIW Leaky Wave Antenna With Suppression of Unwanted Mode
IEEE Access, 2021 In this paper, periodic perturbations are employed on the broad wall of a substrate integrated waveguide (SIW) long slot leaky-wave antenna (LWA) to eliminate the excited unwanted mode.
Amin Mahmoodi Malekshah +2 more
doaj +1 more source
IEEE Access, 2021 An approach for improving the gain of the leaky-wave antenna (LWA) is presented in this paper. Embedding cavities in the structure leads to gain improvement.
Nima Javanbakht +3 more
doaj +1 more source
Advanced Theory and Simulations, Volume 6, Issue 12, December 2023., 2023 Approach based on the relationship between the zeros and poles of a discrete linear time‐invariant (LTI) low‐pass filter designed using Butterworth and Chebyshev type I polynomials and the parameters of a leaky‐wave antenna (LWA) array. The method is able to produce a pass‐band without ripple, joint control on the pass‐band and rejection‐band, as well ...
Rafael Verdú‐Monedero +2 more
wiley +1 more source
Advanced Intelligent Systems, Volume 5, Issue 10, October 2023., 2023 Devising low‐cost security measures is crucial for realizing the vision of emerging wireless networks. Physical layer security harnesses the physical layer characteristic of wireless communications to address security concerns as part of data transmission.
Alireza Nooraiepour +4 more
wiley +1 more source
Highly Efficient Dual-Beam Frequency Scanning Based on SSPPs With Parasitic Patch Array
Frontiers in Physics, 2022 A leaky-wave antenna (LWA) realizes radiation of travelling wave along guiding structures. Periodic modulation is an effective approach to turn non-radiating modes into radiating modes.
Bai Cao Pan +6 more
doaj +1 more source
Electronics Letters, Volume 59, Issue 20, October 2023., 2023 A wideband leaky‐wave antenna on a new substrate‐integrated waveguide with twisted integrated–digitated capacitor‐based corrugations. Abstract This letter presents a new thin substrate‐integrated waveguide with twisted integrated–digitated capacitor‐based corrugations that offers a transmission loss < 0.55 dB.
Utkarsh Pandey +4 more
wiley +1 more source