Results 31 to 40 of about 1,403,607 (305)
Design, simulation and experiment of a cusp electron beam for millimeter wave gyro-devices [PDF]
, 2009 The design, simulation and experiment of a thermionic cusp electron gun that is to be used for millimeter wave generation will be presented. A cusp gun uses a non-adiabatic magnetic field reversal to obtain azimuthal motion on an electron beam resulting ...
Phelps, Alan +5 more
core +3 more sources
Cylindrical Three-Dimensional Millimeter-Wave Imaging via Compressive Sensing
International Journal of Antennas and Propagation, 2015 Millimeter-wave (MMW) imaging techniques have been used for the detection of concealed weapons and contraband carried by personnel. However, the future application of the new technology may be limited by its large number of antennas.
Guoqiang Zhao +4 more
doaj +1 more source
Minimal Rational Interpolation and its Application in Fast Broadband Simulation
IEEE Access, 2019 Broad bandwidth simulation in frequency domain benefits from fast frequency sweep, and frequency-domain electromagnetic solvers are usually combined with asymptotic wave evaluation or interpolation techniques.
Jun Wei Wu, Tie Jun Cui
doaj +1 more source
Frontiers in Materials, 2022 Reconfigurable intelligent surfaces (RISs) have attracted extensive attention in recent years due to their strong ability to improve and customize electromagnetic wave propagation channels in wireless communications.
Jing Cheng Liang +4 more
doaj +1 more source
Representing Quantum Information with Digital Coding Metasurfaces
Advanced Science, 2020 With the development of science and technology, the way to represent information becomes more powerful and diversified. Recent research on digital coding metasurfaces has built an alternative bridge between wave‐behaviors and information science ...
Guo Dong Bai, Tie Jun Cui
doaj +1 more source
Optical generation and wireless transmission of 60 GHz OOK signals using gain switched laser [PDF]
, 2010 We present a novel, simple and cost effective system for optical millimeter-wave generation and transmission of 3 Gbps data based on gain switching.
Anandarajah, Prince M. +3 more
core +2 more sources
IEEE Open Journal of Antennas and PropagationA new taper-shaped linearly polarized (LP) magneto-electric (ME) dipole, excited by the U-shaped microstrip line through a coupling slot, is proposed in this paper. An ultra-wide simulated impedance bandwidth of 85% (20.5-50.6 GHz) and 1.5-dB gain
Lei Xiang +9 more
doaj +1 more source
A Fully Polarized Antenna Covering the Hemispherical Airspace
IEEE Access, 2021 A fully polarized antenna has been proposed in this paper. The antenna is composed of four independent antennas, named X, Y, H, V. The simulation and measurement results verify the independent antenna radiation performance and the function of the fully ...
Jiashan Liu +5 more
doaj +1 more source
Millimeter-wave techniques for the detection of corneal water content
, 2023 This thesis concerns the study of millimeter-wave and THz reflectometry for corneal sensing. Human cornea is a lossy thin film at millimeter wave frequencies.
Baggio, Mariangela
core +1 more source
Multifunctional movable-type coding metasurface enabling reconfigurable diffractive neural networks
Light: Science & ApplicationsOptical computing holds significant promise across diverse applications due to its low latency, power efficiency, and multidimensional processing capabilities. However, current diffraction neural networks (DNNs) generally lack reconfigurability, limiting
Zhicai Yu +11 more
doaj +1 more source