Results 21 to 30 of about 894 (260)
A detachable miniaturized three-element spirals radiator button antenna integrated with a compact leaky-wave wearable antenna forming a dual-band three-port antenna is proposed.
Tale Saeidi +2 more
doaj +1 more source
Performance of a Planar Leaky-Wave Slit Antenna for Different Values of Substrate Thickness [PDF]
This paper presents the performance of a planar, low-profile, and wide-gain-bandwidth leaky-wave slit antenna in different thickness values of high-permittivity gallium arsenide substrates at terahertz frequencies.
Niamat Hussain +2 more
doaj +1 more source
A class of 45° linearly polarized and circular polarized high scanning rate leaky wave antennas are proposed in this paper, which is based on slow-wave substrate integrated waveguide structure.
Jianwen Zhong +2 more
doaj +1 more source
Plasmonic leaky wave antenna based on modulated radius of cylindrical graphene waveguide
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
doaj +1 more source
In this study, a novel antenna design is proposed for designing a frequency-reconfigurable wide-angle beam scanning antenna and applied to a squarely modulated reactance surface leaky wave antenna.
Doohyun Yang, Sangwook Nam
doaj +1 more source
Analysis of micro-slotline leaky wave antenna with FDTD
The FDTD method modeled the micro-slotline leaky wave antenna successfully.The traveling wave of micro-slotline leaky-wave antenna in leaky region had been shown up with FDTD method.A new and effective equation was proposed,to calculate the complex ...
LI Yuan-xin, LONG Yun-liang
doaj +2 more sources
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 +2 more sources
High Efficiency and Broadband Microstrip Leaky-Wave Antenna
A novel layout of leaky-wave antennas based on tapered design has been proposed and investigated. The new tapered leaky-wave antenna (LWA) was designed running a simple procedure which uses an FDTD code, and using a suitable metal walls down the ...
Onofrio Losito
doaj +1 more source
Improving directional radiation quality based on a gradient amplitude acoustic leaky wave antenna
In this work, we show how to modify radiation amplitude with a leaky wave antenna to improve the quality of sound radiation. The designed gradient amplitude leaky wave antenna consists of a straight pipe with periodically loaded membranes, open channels ...
Jun Lan +4 more
doaj +1 more source
Design of a Polarization-Diverse Planar Leaky-Wave Antenna for Broadside Radiation
The design of a K-band radial leaky-wave antenna is presented for polarization diversity applications. The antenna structure is constituted by an annular, radially periodic, and metallic strip grating printed on top of a single-layer grounded dielectric ...
Davide Comite +6 more
doaj +1 more source

