Results 81 to 90 of about 19,384 (158)

Millimeter resolution with radar at lower terahertz

open access: yes, 2022
S.235-238This paper describes the setup and measurement of a high bandwidth millimeter wave FMCW radar working at 300 GHz. The usable bandwidth of 40 GHz leads to a range resolution of 3.7 nm.
Wahlen, A.   +6 more
core  

Millimeter-Wave Polarimetric Radars [PDF]

open access: yesProgress In Electromagnetics Research, 1990
J. B. Mead, R. E. McIntosh
openaire   +1 more source

Research on Millimeter-wave Radar Based Automotive Lateral Anti-collision Warning System

open access: yes, 2012
According to the reasons and features of car accidents happening in vehicles’ side areas, this paper designed and developed a kind of automotive lateral anti-collision warning system by frequency modulation continuous wave, based on the research on
Bi X(毕欣)   +3 more
core  

RM Operator Learning-driven Non-line-of-sight 3D Imaging Method for Millimeter Wave Radar

open access: yesLeida xuebao
Non-Line-Of-Sight (NLOS) millimeter wave radar 3D imaging leverages electromagnetic wave propagation characteristics such as reflection, diffraction, scattering, and penetration to detect, locate, and image hidden targets in occluded environments.
Kun CHEN   +7 more
doaj   +1 more source

Robust Radar Inertial Odometry in Dynamic 3D Environments

open access: yesDrones
Millimeter-Wave Radar is one promising sensor to achieve robust perception against challenging observing conditions. In this paper, we propose a Radar Inertial Odometry (RIO) pipeline utilizing a long-range 4D millimeter-wave radar for autonomous vehicle
Yang Lyu   +4 more
doaj   +1 more source

Detection and Classification of Teacher-Rated Children’s Activity Levels Using Millimeter-Wave Radar and Machine Learning: A Pilot Study in a Real Primary School Environment

open access: yesIEEE Access
Traditional assessments of children’s health and behavioral issues primarily rely on subjective evaluation by adult raters, which imposes major costs in time and human resource to the school system. This pilot study investigates the utilization of
Tianyi Wang   +9 more
doaj   +1 more source

Millimetre Wave Power Measurement

open access: yes, 2010
There is currently no traceable power sensor for millimetre wave frequencies above 110 GHz. This thesis investigates a novel approach to remove this limitation by combining the placement of a uniquely designed microchip directly in waveguide.
Jones, Mark Hedley
core  

Millimeter Wave Radar for Automotive Blind Spot Detection System

open access: yes, 2013
Considering the problem of rearview mirror blind spot during driving, the paper studied and designed the blind spot detection system based on MMW radar.
Bi X(毕欣)   +2 more
core  

Short-Range Millimeter-Wave Radar Perception in a Polar Environment

open access: yes, 2018
Autonomous vehicle operations in Antarctica challenge robotic perception. Flying ice and snow, changing illumination due to low sun angles and lack of contrast degrade stereo and laser sensing.
Sachin Chheda (5403497)   +2 more
core   +1 more source

Fruit Orchard Canopy Recognition and Extraction of Characteristics Based on Millimeter-Wave Radar

open access: yesAgriculture
Fruit orchard canopy recognition and characteristic extraction are the key problems faced in orchard precision production. To this end, we built a fruit tree canopy detection platform based on millimeter-wave radar, verified the feasibility of millimeter-
Yinlong Jiang   +5 more
doaj   +1 more source

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