Results 41 to 50 of about 923 (173)
Efficient Calculation of Large Finite Periodic Structures Based on Surface Wave Analysis [PDF]
, 2015 published_or_final_versio
Jiang, L +4 more
core +2 more sources
Optimization Procedure for Planar Leaky-Wave Antennas With Flat-Topped Radiation Patterns [PDF]
, 2015 International audienceWe describe here an optimization procedure to shape the radiation pattern of planar two-dimensional (2-D) leaky-wave antennas. The structures under investigation are superstrate configurations made by partially reflecting screens ...
Ettorre, Mauro +4 more
core +4 more sources
Analysis and Design of Low-Profile Reconfigurable Leaky-Wave Antennas Based on Substrate Integrated Waveguide for 5G Millimeter-Wave Applications [PDF]
, 2021 5G millimeter-wave (mm-wave) applications have several challenges, such as detection accuracy, interference from other channels, high path loss, covering several users in a dense area, and vulnerability to the environmental conditions.
Javanbakht, Nima
core +2 more sources
Compact Leaky-Wave SIW Antenna with Broadside Radiation and Dual-Band Operation for CubeSats [PDF]
, 2021 This letter presents a substrate-integrated waveguide (SIW) antenna for CubeSat applications. The compact structure utilizes middle-point feeding and shorting walls to achieve broadside radiation in the far-field at two distinct frequencies.
Alistarh, Cristian +6 more
core +2 more sources
Electronics Letters, 2016 To multiplex multiple orbital angular momentum (OAM) beams, a compact half‐mode substrate integrated waveguide leaky‐wave antenna (LWA) for generating multiple high‐order OAM modes is presented.
Yiling Chen +4 more
doaj +1 more source
IEEE Open Journal of Antennas and Propagation, 2022 We present a simple reconfigurable leaky-wave antenna (LWA) capable of fixed-frequency continuous beam-scanning, along with an efficient optimization procedure with which its radiation pattern can be shaped.
Gengyu Xu +2 more
doaj +1 more source
A flat-topped leaky-wave source for phased arrays with reduced scan losses [PDF]
, 2014 International audienceThis paper describes the design of a planar Fabry-Perot leaky wave antenna generating a flat-topped radiation pattern. The flat-topped pattern is achieved by exciting various leaky-wave modes between a metallic ground plane and a ...
Ettorre, Mauro +3 more
core +4 more sources
, 2017 The paper demonstrates that double unit-cell asymmetry in periodic leaky-wave antennas (P-LWAs), i.e. asymmetry with respect to both the longitudinal and transversal axes of the structure -- or longitudinal asymmetry (LA) and transversal asymmetry (TA) --
Al-Bassam, Amar +3 more
core +1 more source
Non-thermal plasma potentialities for microwave device reconfigurability [PDF]
, 2014 Three examples of results achieved from cooperative works with microwave and plasma research groups in Toulouse (France) are presented in this paper. They are focused on the use of few non-thermal plasmas to make a microwave device reconfigurable.
Alphones +43 more
core +4 more sources
A Wide-Angle Scanning Leaky-Wave Antenna Based on a Composite Right/Left-Handed Transmission Line
Applied Sciences, 2020 This paper presents a frequency-independent, wide-angle scanning leaky-wave antenna (LWA), based on the composite right/left-handed transmission line (CRLH TL).
Shaoyi Xie +4 more
doaj +1 more source