Results 11 to 20 of about 1,562,372 (284)
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, 2014 In the last years, the number of studies carried out in the field of acoustic metamaterials has significantly increased. In year 2009, our group proposed a concept of acoustic composite right/left hand transmission line (CRLH-TL) metamaterial, consisting of a waveguide periodically loaded with membranes along the duct, and transverse open channels ...
Esfahlani, Hussein +2 more
openaire +4 more sources
IET Microwaves, Antennas & Propagation, 2021 The dielectric‐coated impedance cylinder configuration is investigated thoroughly with respect to the space‐wave, leaky‐wave and creeping‐wave excitations for all source polarizations.
Mahesh Singh +2 more
doaj +1 more source
Design of leaky-wave antennas with transverse slots for end-fire radiation with optimized radiation efficiency [PDF]
Advances in Radio Science, 2019 A substrate integrated waveguide (SIW) with transverse slots on the top plane can be used to design an effective leaky-wave antenna with good frequency beam-scanning and platform integration capability.
T. Vaupel, C. Löcker
doaj +1 more source
Beam scanning one-dimensional leaky-wave antenna
, 2022 Although the beam of a leaky-wave antenna (LWA) scans with frequency, steering through the broadside is usually challenging. Various methods have been developed to overcome this limitation.
Karmokar, D.K.
core +1 more source
Investigation of the Leaky-Wave Characteristics of a Cylindrical Dielectric Rod Using the Coefficient Matrix of the System of Characteristic Equations and Davidenko’s Method [PDF]
Journal of Electromagnetic Engineering and Science, 2021 An open dielectric waveguide includes both guided propagating modes within the waveguide and radiating and evanescent modes that propagate transversely outside the waveguide.
Ersoy Kelebekler
doaj +1 more source
Review on fixed-frequency beam steering for leaky wave antenna [PDF]
, 2019 This paper aims to survey the efforts of researchers in response to the novel and effective technology of control radiation pattern at a fixed frequency for leaky wave antenna (LWA), map the research landscape from the literature onto coherent taxonomy ...
Zakaria, Z.; Universiti Teknikal Malaysia Melaka (UTeM) +4 more
core +1 more source
, 2011 Microelectromechanical (MEMS) technology is being used for many purposes in reconfigurable devices due to its advantages compared to other technologies, e.g., varactors.
Chicherin, Dmitry, +6 more
core +9 more sources
Slotted Waveguide Circularly Polarized Leaky Wave Antenna With Improved Efficiency at W-Band
IEEE Access, 2023 This article presents a high-efficiency circularly polarized slotted waveguide leaky wave antenna for the W band frequency range. The wall thickness of the slotted waveguide leaky wave antenna containing the radiating slots is tuned to optimize the ...
Shilpi Singh +2 more
doaj +1 more source
Journal of Electrical Systems and Information Technology, 2017 A novel voltage controlled duplexer-integrated leaky-wave antenna, consisting of an array of traveling-wave resonant particle by metal ring resonator with variable capacitance and uni-lateral component is proposed, analysed, and measured.
Yuhi Yokohama, Toshiro Kodera
doaj +1 more source
Leaky-wave wires antenna for future D- Band 6G communication systems
, 2023 Future communication generation such as 6G and beyond will be utilizing the terahertz band, as this range promises potential benefits such as a high data rate.
Ishak, Nurul Syafeeqa +4 more
core +1 more source