Results 31 to 40 of about 2,779,889 (365)
Remote Sensing, 2022 Passive multi-frequency microwave sensors are indispensable instruments for worldwide environmental monitoring. However, they often suffer from the issues of poor spatial resolution and the original land–sea transition zone data are contaminated severely.
Weidong Hu +6 more
doaj +1 more source
MS-YOLO: Object Detection Based on YOLOv5 Optimized Fusion Millimeter-Wave Radar and Machine Vision
IEEE Sensors Journal, 2022 Millimeter-wave radar and machine vision are both important means for intelligent vehicles to perceive the surrounding environment. Aiming at the problem of multi-sensor fusion, this paper proposes the object detection method of millimeter-wave radar and
Yunyun Song +3 more
semanticscholar +1 more source
Millimeter-wave achromatic half-wave plate [PDF]
Applied Optics, 2005 In print - Applied Optics, 14 pages, 7 ...
Hanany, S. +5 more
openaire +3 more sources
Millimeter Wave and Terahertz Urban Microcell Propagation Measurements and Models [PDF]
IEEE Communications Letters, 2021 Comparisons of outdoor Urban Microcell (UMi) large-scale path loss models, root mean square (RMS) delay spreads (DS), angular spreads (AS), and the number of spatial beams for extensive measurements performed at 28, 38, 73, and 142 GHz are presented in ...
Yunchou Xing, T. Rappaport
semanticscholar +1 more source
Millimeter-Wave MMICs and Applications [PDF]
, 2003 As device technology improves, interest in the millimeter-wave band grows. Wireless communication systems migrate to higher frequencies, millimeter-wave radars and passive sensors find new solid-state implementations that promise improved performance ...
Morgan, Matthew Alexander
core +1 more source
Decoupling for Millimeter-Wave Array Antennas Using Near-Field Shrinking Dielectric Superstrate
IEEE Open Journal of Antennas and Propagation, 2023 A decoupling concept of near-field shrinking dielectric superstrate (NFSDS) is proposed for large-scale, wideband, and dual-polarized mm-wave arrays.
Shengyuan Luo +4 more
doaj +1 more source
Design of a Millimeter-Wave MIMO Antenna Array for 5G Communication Terminals
Italian National Conference on Sensors, 2022 This paper presents a design of multiple input multiple output (MIMO) antenna array for 5G millimeter-wave (mm-wave) communication systems. The proposed MIMO configuration consists of a two antenna arrays combination.
J. Khan +5 more
semanticscholar +1 more source
A Tutorial on Mathematical Modeling of 5G/6G Millimeter Wave and Terahertz Cellular Systems
IEEE Communications Surveys and Tutorials, 2022 Millimeter wave (mmWave) and terahertz (THz) radio access technologies (RAT) are expected to become a critical part of the future cellular ecosystem providing an abundant amount of bandwidth in areas with high traffic demands.
D. Moltchanov +5 more
semanticscholar +1 more source
Study of millimeter wave phase shift in 40 GHz hybrid mode locked lasers [PDF]
, 2009 An investigation into using hybrid mode-locked lasers to implement millimeter wave phase shift is presented. The phase shift is measured directly using a vector network analyzer enabling straightforward characterization of such systems.
Cryan, MJ, Khawaja, BAM
core +1 more source