Results 201 to 210 of about 416,263 (254)

Efficiency-optimized relativistic plasma harmonics for extreme fields. [PDF]

Nature
Timmis RJL, Fitzpatrick CRJ, Kennedy JP, Huddleston HM, Denis E, James A, Baird C, Symes D, McGonegle D, Atonga E, Martin H, Rebenstock J, Neely J, Lee J, Redfern J, Bourgeois N, Finlay O, Ruskov R, Astbury S, Hawkes S, Zhang Z, Zepf M, Krushelnick K, Gumbrell E, Rajeev PP, Yeung M, Dromey B, Norreys P.   +27 more
europepmc   +1 more source

A dataset of high-resolution snapshots of the viscous sublayer from direct numerical simulation of a turbulent boundary layer up to <i>Re</i> _θ=2400. [PDF]

Data Brief
O'Connor J, Whalley RD, Wynn A, Laizet S.   +3 more
europepmc   +1 more source

Na⁺ induced improved fluorescence of carbon nanoparticles from human hair: an exclusive sensing platform for Ag^. [PDF]

Sci Rep
Sharma P, Sahu M, Ganguly M.
europepmc   +1 more source

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Terahertz Radar with High Resolution Range Profile

2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2021
In this paper, the performance of terahertz (THz) radar based on high resolution range profile (HRRP) is described. This terahertz radar, developed for the high resolution imaging under the complex environment such as sand-dust weather and so on, operates at 230GHz over multiple GHz of bandwidth.
Zhaoyang Li
exaly   +2 more sources

High Range Resolution Profile of Simulated Aircraft Wake Vortices

IEEE Transactions on Aerospace and Electronic Systems, 2012
Knowledge of radar scattering characteristics is very important to the development of radar detection technology on aircraft wake vortices. In this paper, the high range resolution (HRR) profile of the wake vortex is investigated. The HRR profile is observed to have a particular structure, from which the wingspan of the aircraft can be easily ...
Jianbing Li, Shunping Xiao
exaly   +2 more sources

High Range Resolution Profile Estimation via a Cognitive Stepped Frequency Technique

IEEE Transactions on Aerospace and Electronic Systems, 2019
The problem of high range resolution profile (HRRP) estimation is considered in this paper. In particular, stepped frequency waveforms are devised to enhance the target range profile (RP) estimation accuracy. The basic idea relies on the dynamic optimization of the probing waveform accounting for some feedback information to minimize the profile ...
Augusto Aubry, Vincenzo Carotenuto, Antonio De Maio   +2 more
exaly   +5 more sources

Target Motion and High Range Resolution Profile Generation

IEEE Transactions on Aerospace and Electronic Systems, 2012
The problem of forming high range resolution (HRR) profiles from radar data of moving targetsis considered. HRR profiles can result from processing range-Doppler images of targets, whereby the 2-D range-Doppler image is collapsed into a 1-D range profile.
exaly   +2 more sources

The resolution of high resolution range profile for two ideal point targets

2012 IEEE International Conference on Information Science and Technology, 2012
The resolution is an important concept in radar. Based on the mathematic model of high resolution range profile (HRRP), this paper investigates the resolution of HRRP for two ideal point targets. Theoretical analyses indicate that two ideal point targets can always be resolved in HRRP once they are separated by a distance larger than 1.7∗c/(2B), where ...
Rui Zhang, Xi Zhang Wei, Xiang Li
exaly   +2 more sources