Results 11 to 20 of about 58,381 (315)

Millimeter-Wave Phased Arrays in Silicon [PDF]

open access: yes, 2007
Integration of mm-wave multiple-antenna systems on silicon-based processes enables complex, low-cost systems for high-frequency communication and sensing applications.
Natarajan, Arun Sridhar
core   +1 more source

Research on factors affecting ultrasonic phased array detection imaging quality for curved component

open access: yesAIP Advances, 2022
An in-depth analysis on the beam directivity of ultrasonic phased arrays has been made to solve the problems of low image quality and identification difficulties caused by a suboptimal configuration of array elements.
Zhe Wang, Chao Zhang, Xiahui Li
doaj   +1 more source

Multiprobe Radiation Simulation Method for Phased Array Radar Performance Evaluation

open access: yesIEEE Access, 2022
The phased array radar exhibits improved tracking accuracy and anti-jamming performance with multi-beam tracking, beam agility, and adaptive beam-forming capabilities.
Ruoxi Xu   +4 more
doaj   +1 more source

Self-cross Phase Calibration Method of Oversized Front Distributed Phased Array Radar

open access: yesLeida xuebao, 2013
For oversized front distributed phased array radar, the conventional phased array radar calibration algorithm can not work. This paper presents the combination of self-calibration and cross-calibration algorithm.
Yan Zhou-jie   +3 more
doaj   +1 more source

Impact of dielectric substrate on the performance of an 8 × 8 magneto-electric dipole phased array antenna for 5G mmWave applications

open access: yesFrontiers in Communications and Networks, 2023
The impact of the substrate dielectric material on the performance of a wideband magneto-electric dipole (MED) phased array antenna is systematically studied in this article. Four commercially available dielectric substrates for mmWave applications, i.e.,
Wai Yan Yong   +2 more
doaj   +1 more source

Geometric Phase in Phasing of Antenna Arrays [PDF]

open access: yesSymposium - International Astronomical Union, 2002
The response of a pair of differently polarized antennas is determined by their polarization states and a phase between them which has a geometric part which becomes discontinuous at singular points in the parameter space. Some consequences are described.
openaire   +2 more sources

X‐band 8 × 8 phased‐array 4‐channel FMCW receiver in 65 nm CMOS technology

open access: yesElectronics Letters, 2022
Optimized two radar RFICs for an X‐band 8 × 8 phased‐array 4‐channel frequency‐modulated continuous‐wave receiver is proposed using 65‐nm CMOS technology and the beam steering operation of the receiver module is demonstrated.
Seon‐Ho Han   +2 more
doaj   +1 more source

Optimal E-Field Vector Combination for a Highly Focused Antenna-Array [PDF]

open access: yes, 2014
A near-field highly focused circular phased-array antenna for 5.8-GHz radio frequency identification (RFID) applications is presented. The electric field (E-field) at the focus is enhanced by a constructive vector combination in a three-dimensional (3-D)
Perallos, Asier   +5 more
core   +1 more source

Optimal Design of Sparse Array for Ultrasonic Total Focusing Method by Binary Particle Swarm Optimization

open access: yesIEEE Access, 2020
Ultrasonic phased array technology is used in various fields. Traditional full phased arrays place elements in every position of a uniform lattice with half-wavelength spacing between the lattice points, so the hardware cost is very high.
Han Zhang   +3 more
doaj   +1 more source

Design and Analysis of Phased Array System by MATLAB Toolbox

open access: yesAl-Kitab Journal for Pure Sciences, 2023
An array of antennas mounted on vehicles, ships, aircraft, satellites, and base stations is expected to play an important role in fulfilling the increased demand of channel requirement for these services.
Aseel A. Qasim, Adheed H. Sallomi
doaj   +1 more source

Home - About - Disclaimer - Privacy