Results 121 to 130 of about 4,889,843 (295)
Advanced Science, EarlyView.A graphene aerogel with a spherical‐pore structure is constructed via microbubble templating. This unique architecture suppresses strain‐induced percolation of conductive networks, enabling dynamic frequency tuning. It also delivers enhanced low‐frequency absorption with an effective absorption bandwidth of 2.56 GHz, covering 91% of the low‐frequency ...
Liang Li +7 more
wiley +1 more source
Kresling Origami‐Based Metamaterial Robot for Dynamic Electromagnetic Control
Advanced Science, EarlyView.A reconfigurable metamaterial system integrates deformable origami units with high‐permittivity ceramic plates. Pneumatic switching between structural states alters local resonance conditions, enabling dynamic radar stealth and adaptive microwave reflection for mobile communication.
Xinxi Zeng +13 more
wiley +1 more source
Fundamental aspects of netted radar performance [PDF]
, 2010 Netted radar employs several spatially distributed transmitters and receivers for information retrieval. This system topology offers many advantages over traditional monostatic and bistatic systems which use a single transmitter and a single receiver ...
Teng, Y.
core
Advanced Science, EarlyView.This study reports lightweight, elastic ceramic fabrics with broadband electromagnetic absorption (EAB = 9.8 GHz) and high‐temperature thermal insulation, enabled by precise microstructural control during ultrafast high‐temperature sintering (UHS), which induces the precipitation of defect‐rich t‐ZrO2 nanograins and turbostratic C nanoclusters.
Jiahao Yang +9 more
wiley +1 more source
Design and Realization of Universal Radar Signal Processing Software
, 2012 As parallel signal processing tasks are more and more widely used, a universal, efficient and flexible radar signal processing software is urgently needed in the field of radar signal processing.
Liu YY(刘意杨) +3 more
core
SIREV - Sector Imaging Radar for Enhanced Vision [PDF]
, 2001 SIREV (Sector Imaging Radar for Enhanced Vision) is an innovative radar system which can supply high-quality images of a sector in front of an aircraft under almost every weather condition.
Witte, Franz +4 more
core
Advanced Science, EarlyView.This study develops a multi‐dimensional vision Transformer‐based model, GAVR, to accurately distinguish gastric cancer T4a/b stages preoperatively. Validated across multi‐center cohorts, it achieves excellent performance and significantly improves radiologists’ diagnostic accuracy, offering a promising tool for clinical decision‐making.
Guoliang Zheng +20 more
wiley +1 more source
Sector Imaging Radar for Enhanced Vision [PDF]
, 2001 SIREV (Sector Imaging Radar for Enhanced Vision) is an innovative radar system which can supply high-quality images of a sector in front of an aircraft under almost every weather condition.
Witte, Franz +5 more
core
Efficient Adsorption‐Based Direct Air Capture Via Triply Periodic Minimal Surface Architectures
Advanced Science, EarlyView.Architected triply periodic minimal surface (TPMS) contactors reshape direct air capture by replacing straight‐channel diffusion limits with convection‐enhanced CO2 transport. Chaotic advection thins boundary layers and exposes fast adsorption sites, enabling 70%–75% more fast sites, 114% higher productivity, and 51.8% lower energy consumption than ...
Qingyang Shao +6 more
wiley +1 more source
IET Radar, Sonar & NavigationIn a distributed multi‐station system, the observations received by local radar nodes for a single target will have a large signal‐to‐noise ratio (SNR) bias due to inconsistent radar cross‐sections from distinct angles, different distances from the ...
Haoxuan Du +4 more
doaj +1 more source