Results 61 to 70 of about 623,105 (183)

US military, airspace, and meteorological radar system impacts from utility class wind turbines: Implications for renewable energy targets and the wind industry [PDF]

open access: yes, 2013
A substantial number of wind energy projects have been stalled or abandoned in the United States of America (US) due to concerns over the effects of wind turbines on radar installations.
McHenry, M.P., Whale, J., Auld, T.
core  

Intelligent Reflecting Surface-Aided Electromagnetic Stealth Against Radar Detection

open access: yes, 2023
While traditional electromagnetic stealth materials/metasurfaces can render a target virtually invisible to some extent, they lack flexibility and adaptability, and can only operate within a limited frequency and angle/direction range, making it ...
Xiong, Xue   +3 more
core  

Measurements and analysis of multistatic and multimodal micro-Doppler signatures for automatic target classification [PDF]

open access: yes, 2014
The purpose of this paper is to present an experimental trial carried out at the Defence Academy of the United Kingdom to measure simultaneous multistatic and multimodal micro-Doppler signatures of various targets, including humans and flying UAVs ...
Marcio Perassoli   +5 more
core   +1 more source

Biomimetic and bio‑inspired multispectral stealth materials: Design strategies, fabrication, and radar infrared performance

open access: yesNext Materials
Biomimetic and bio-inspired approaches offer a promising route to next-generation multispectral stealth by combining structure-driven electromagnetic (EM) wave control with materials-level thermal regulation.
Sumit Patel   +4 more
doaj   +1 more source

Development and performance evaluation of a multistatic radar system [PDF]

open access: yes, 2008
Multistatic radar systems are of emerging interest as they can exploit spatial diversity, enabling improved performance and new applications. Their development is being fuelled by advances in enabling technologies in such fields as communications and ...
Doughty, Shaun Raymond, Doughty, S.R.
core  

2D Materials Empowered Radar Absorbing Materials: A Review

open access: yesAdvanced Electronic Materials
Radar stealth technology is pivotal for next‐generation air dominance, necessitating the integration of shaping and material stealth to minimize radar cross‐section. Radar absorbing materials (RAMs), which dissipate incident electromagnetic waves as heat,
Yujie Zhong   +4 more
doaj   +1 more source

Energy Stealth Evaluation of Radar Systems with a Space–Time Modulated Probing Signal

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника
Introduction. Increased attention is currently paid to the issues of stealth operation of various radar systems. The article considers the possibility of increasing the energy stealth of a radar system with a complex quasi-continuous signal due to ...
V. M. Kutuzov   +2 more
doaj   +1 more source

Research progress and development trends in radar stealth microwave absorbing materials

open access: yesCailiao gongcheng
Microwave absorbing materials(MAM),as a crucial component of radar stealth technology,reduce the radar cross-section of detected targets by absorbing radar waves,thereby lowering the probability of detection.
LI Jiaomin   +5 more
doaj   +1 more source

Compatible metasurface for ultra-wideband radar and switchable infrared stealth

open access: yesOptics Express
In response to the rapid advancements in radar detection technology and the widespread deployment of infrared sensors, single-function stealth materials are increasingly challenged to meet the sophisticated demands of concealment within complex electromagnetic environments. As a result, there is a pressing need for research into metamaterial structures
Chengyun Zhang   +9 more
openaire   +2 more sources

Bistatic Forward Scattering Radar Detection and Imaging

open access: yesLeida xuebao, 2016
Forward Scattering Radar (FSR) is a special type of bistatic radar that can implement image detection, imaging, and identification using the forward scattering signals provided by the moving targets that cross the baseline between the transmitter and ...
Hu Cheng, Liu Changjiang, Zeng Tao
doaj   +1 more source

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