Results 71 to 80 of about 311,742 (212)
International Journal of Antennas and Propagation, Volume 2026, Issue 1, 2026.Combining wearable sensing technologies with intelligent classification algorithms opens new possibilities for tracking human activities and postures, with applications in healthcare, rehabilitation, and human–computer interaction. In the present scenario of wearable‐based human activity monitoring, body‐worn equipment can facilitate real‐time ...
Bhawna Tiwari +4 more
wiley +1 more source
A Comprehensive Review of Battery‐Free Energy Efficient RF and Microwave Systems
Journal of Engineering, Volume 2026, Issue 1, 2026.Battery‐free radiofrequency (RF) and microwave systems have emerged as a promising solution for enabling long‐lifetime, maintenance‐free wireless sensing and communication platforms by eliminating conventional battery dependence. These systems operate by harvesting ambient or dedicated electromagnetic energy, converting it to usable electrical power ...
Stella N. Arinze +2 more
wiley +1 more source
Side lobe suppression of Vivaldi antenna using shorting pin structure
, 2017 This paper was executed in order to design side lobe suppression of Vivaldi antenna using shorting pin structure at S-band frequency. Nowadays, Vivaldi antenna has been used to satellite communications, remote sensing and radio telescope.
Yew, B.S +4 more
core +1 more source
Journal of Electrical and Computer Engineering, Volume 2026, Issue 1, 2026.A compact single asymmetric coplanar waveguide feed (ACPW‐fed) dual circularly polarized microstrip antenna that operates at 1.8, 3.9, and 5.2 GHz in the entire operating frequency band 600 MHz–6 GHz for the radar detection of the improvised explosive devices (IEDs) carried by a person is introduced.
Jaures Anou Koudjou +4 more
wiley +1 more source
A new non-planar Vivaldi antenna
, 2005 International audienceA new non-planar Vivaldi antenna is presented as a three-dimensional structure in the shape of a fleur-de-lis. This new balanced antenna is unique in its extremely flat S/sub 11/ response, minimizing phase distortion over a wide ...
Yedlin, M. +5 more
core +1 more source
A Miniaturized and High Gain Double-Slot Vivaldi Antenna Using Wideband Index-Near-Zero Metasurface
IEEE Access, 2018 In this paper, a wideband, miniaturized, and high gain double-slot Vivaldi antenna is proposed. First, a corner cutting technique is adopted to broaden the frequency band.
Shuangshuang Zhu +4 more
doaj +1 more source
Diameter Inversion for Dense Rebars Based on Dual‐Polarized GPR
Structural Control and Health Monitoring, Volume 2026, Issue 1, 2026.Reinforced concrete is an essential material in building engineering. Estimating rebar diameter is crucial for evaluating structural load‐bearing capacity and overall stability, which is of great significance for the structural health monitoring of buildings.
Shuangying Sun +5 more
wiley +1 more source
High Voltage, Volume 10, Issue 6, Page 1380-1389, December 2025.ABSTRACT Partial discharge (PD) is the indicator of the insulation defect in cables. However, the pulse current method, which is widely adopted in land cables, cannot obtain PD signals of high‐voltage direct current (HVDC) submarine cables due to attenuation and installation position.
Hang Wang +7 more
wiley +1 more source
Jurnal Ilmiah SINERGI, 2019 Variants of antipodal Vivaldi antenna (AVA) design suitable for access point working on 0.5 – 6.0 GHz are proposed in this paper. The novel designs were produced by employing three novel techniques to conventional AVA: (i) rotated-slot pattern to shift ...
Sabri Alimi +2 more
doaj +1 more source
A Wideband End-Fire Conformal Vivaldi Antenna Array Mounted on a Dielectric Cone
International Journal of Antennas and Propagation, 2016 The characteristics of a novel antipodal Vivaldi antenna array mounted on a dielectric cone are presented. By employing antipodal Vivaldi antenna element, the antenna array shows ultrawide bandwidth and end-fire radiation characteristics. Our simulations
Zengrui Li +5 more
doaj +1 more source