Results 11 to 20 of about 5,339 (296)

An Algorithm Based Wavelet Entropy for Shadowing Effect of Human Detection Using Ultra-Wideband Bio-Radar

open access: yesSensors, 2017
Ultra-wide band (UWB) radar for short-range human target detection is widely used to find and locate survivors in some rescue missions after a disaster.
Huijun Xue   +8 more
doaj   +2 more sources

VitRad: A low-cost continuous wave Doppler radar system with 3D-printed horn antennas for human vital sign detection

open access: yesHardwareX, 2022
In this study, a low-cost continuous wave (CW) radar system with 3D-printed high-gain horn antennas called VitRad is proposed for human vital sign detection.
Hyunmin Jeong   +3 more
doaj   +1 more source

Highly Separated Automotive Radar Antennas

open access: yes, 2022
Automotive radar systems are improving road-user safety by their integration into collision avoidance systems. Often these radar systems need a high probability of detection using superior range and angular resolution.
Thompson, John   +7 more
core   +1 more source

Analysis of the Borehole Effect in Borehole Radar Detection

open access: yesSensors, 2020
The directional borehole radar can accurately locate and image the geological target around the borehole, which overcomes the shortcomings that the conventional borehole radar can only detect the depth of the target and the distance from the borehole ...
Wentian Wang   +3 more
doaj   +1 more source

Optimal Antenna Allocation in MIMO Radars with Collocated Antennas [PDF]

open access: yesIEEE Transactions on Aerospace and Electronic Systems, 2014
Submitted to IEEE Transactions on Aerospace and Electronic ...
Gorji, A. A.   +3 more
openaire   +2 more sources

Performance Analysis of Multiple Antennas Synthetic False Target Jamming

open access: yesIEEE Access, 2022
The radar jamming technology has been studied in this paper mainly, which uses the antenna synthetic wave to generate phase distortion at the signal reception to carry out angle measuring jamming, such as traditional cross-eye jamming. However, cross-eye
Yuhang Ning, Mengxia Yu
doaj   +1 more source

Multi-Objective System-by-Design for mm-Wave Automotive Radar Antennas

open access: yes, 2022
The computationally-efficient solution of multi-objective optimization problems (MOPs) arising in the design of modern electromagnetic (EM) microwave devices is addressed.
Salucci, M.   +3 more
core   +2 more sources

Radar system with dedicated planar traveling wave antennas for elderly people monitoring [PDF]

open access: yesAdvances in Radio Science, 2020
Radar systems for contactless vital sign monitoring are well known and an actual object of research. These radar-based sensors could be used for monitoring of elderly people in their homes but also for detecting the activity of prisoners and to control ...
S. Schäfer   +3 more
doaj   +1 more source

Cylindrical Near To Far Field Transformation System for Radar Antennas: Design, Validation, and Application [PDF]

open access: yes, 2008
Cylindrical near-field systems are appropriate measurement systems for large L-band RADAR antennas, because they can be measured on their azimuthal positioner, and the probe can be easily translated through a vertical linear slide.
Martín Jiménez, Fernando   +3 more
core   +1 more source

Antenna Selection and Placement Analysis of MIMO Radar Networks for Target Localization

open access: yesInternational Journal of Distributed Sensor Networks, 2014
A distributed MIMO radar network consists of a large number of transmitters/receivers to cover a sensing area of interest but under the constraint that the number of antennas is limited. The problem of selecting a subset of antennas at a sampling time to
Bin Sun   +3 more
doaj   +1 more source

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