Results 61 to 70 of about 359,484 (133)

Design of a Koch-Curved LPDA Antenna With Optimized Beamwidth to Improve the Aperture Efficiency of Reflector Antennas

IEEE Access
In this paper, we propose a Koch-curved log-periodic dipole array (LPDA) antenna with wideband characteristics and an optimal beamwidth as a reflector feed antenna for SIGINT satellites.
Jiyoung Park, Changhyeon Im, Hosung Choo
doaj   +1 more source

Design and Analysis of Super Wideband Antenna for Microwave Applications. [PDF]

Sensors (Basel), 2021
Balani W, Sarvagya M, Samasgikar A, Ali T, Kumar P.   +4 more
europepmc   +1 more source

CPW-Fed Flexible Ultra-Wideband Antenna for IoT Applications. [PDF]

Micromachines (Basel), 2021
Kirtania SG, Younes BA, Hossain AR, Karacolak T, Sekhar PK.   +4 more
europepmc   +1 more source

A Low-Cost Wideband Digital Array Antenna Based on Stretch Processing Technique

International Journal of Antennas and Propagation
Wideband digital phased array radar offers the advantages of high range resolution, which improves the recognition ability for multiple targets, group targets, and high-speed targets.
Daqun Yu, Zhangcheng Hao, Lei Yang, Yang Wang, Lei Sun, Jianjun Mao   +5 more
doaj   +1 more source

Robust Wideband Interference Suppression Method for GNSS Array Antenna Receiver via Hybrid Beamforming Technique

Remote Sensing
Global navigation satellite system (GNSS) array antenna receivers are widely used to suppress wideband interference in navigation countermeasures. However, existing array antenna receivers all adopt a digital array structure and digital beamforming ...
Zhenxing Xu, Qijia Dong, Shenyang Li, Fuzhan Yue, Meng Wang, Zhenghuan Xia, Xiao Chen, Shuangna Zhang, Guoji Zou, Huizheng Wang   +9 more
doaj   +1 more source

Novel design and fabrication of a mechanically tunable multiband watch antenna for wireless applications

Scientific Reports
Novel design of a tunable watch antenna for both wideband wireless applications is presented in this paper. Arrows in the watch radiating patch are designed to control the bandwidth; also, a ground structure is designed beneath the radiating patch to ...
Ashraf S. Abdel Halim, Omnia Hamdy
doaj   +1 more source

Bio-inspired wideband antenna for wireless applications based on perturbation technique. [PDF]

Heliyon, 2020
Abolade JO, Konditi DBO, Dharmadhikary VM.   +2 more
europepmc   +1 more source

Research on the Ultra-wideband Internal Antenna for Train Equipment

机车电传动, 2018
Base on the theory that tightly coupling can extend the bandwidth of the antenna, the rule in variations of antenna impedance in the strong coupled environment was used to study the influence of patch and metal ground on the impedance of the designed ...
TANG Jun, PAN Wenbo
doaj  

Dual-sense circularly polarized array antenna for GPS L1/L2 bands and L-band satellite receivers

Scientific Reports
A wideband, dual-sense circularly polarized (CP) crossed-dipole array antenna for L-band satellite receivers and GPS L1/L2 bands is presented in this study, addressing conventional designs’ limitations.
Ahmed Azeez Khudhair, Javad Nourinia, Changiz Ghobadi, Majid Shokri   +3 more
doaj   +1 more source