Results 41 to 50 of about 2,623 (142)
Macromolecular Chemistry and Physics, Volume 227, Issue 7, 14 April 2026.Post‐crosslinking upon drying of solution‐synthesized gels is a rarely studied phenomenon, relevant for applications of (possibly amphiphilic) gels involving solvent variation. Using end‐linked star‐PEG as model system, low‐resolution NMR and swelling experiments are used to probe structural variations in various solvents, highlighting significant ...
Bidit Lamsal +2 more
wiley +1 more source
Evaluation and Analysis of Array Antennas for Passive Coherent Location (PCL) Systems [PDF]
, 2002 Passive Coherent Location (PCL) systems use a special form of a radar receiver that exploits the ambient radiation in the environment to detect and track targets.
Calikoglu, Baris
core +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Hafnium oxide (HfO2) nanoparticles (NPs), derived from a rare‐metal element, have gained increasing attention as a versatile class of functional nanostructures with unique optical, dielectric, and surface properties that enable diverse biomedical applications. As a representative rare‐metal oxide, HfO2 NPs with well‐defined architectures offer
Mothana Hussein Tarawneh +8 more
wiley +1 more source
A practical approach to polarimetric adaptive target detection in passive radar [PDF]
, 2017 Recently, the exploitation of polarimetric diversity was considered as a way to improve target detection capability in passive radar systems. Specifically, it was shown that a locally adaptive Polarimetric - Generalized Likelihood Radio Test (PGLRT ...
COLONE, Fabiola, FILIPPINI, FRANCESCA
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Advanced Sustainable Systems, Volume 10, Issue 3, March 2026.ABSTRACT Hydrogels are 3D polymeric networks that can absorb and retain significant amounts of water and exhibit physical properties such as swelling and contraction in response to changes in the external environment. Owing to these unique physicochemical properties, hydrogels have attracted interest as effective solutions to key challenges in modern ...
Yeonseo Kim +9 more
wiley +1 more source
Biodegradable Adhesive Systems for Bio‐Integrated Applications
Advanced Science, Volume 13, Issue 15, 13 March 2026.Biodegradable adhesives provide temporary yet reliable adhesion while degrading into safe, non‐toxic by‐products under physiological or environmental conditions. This review summarizes recent developments in physical and chemical adhesion mechanisms—including hydrogen bonding, catechol chemistry, amine‐carboxyl coupling, and emerging diazirine and urea
Won Bae Han +6 more
wiley +1 more source
Passive Covert Radars using CP-OFDM SFN. Reference signal recovery from blind beamforming
, 2014 A passive Coherent Location (PCL) system uses the signal transmitted by so called illuminators-of-opportunity in the environment for the illumination of targets.
Barrère, Jean +3 more
core +1 more source
Ambiguity Function Analysis and Direct-Path Signal Filtering of the Digital Audio Broadcast (DAB) Waveform for Passive Coherent Location (PCL) [PDF]
, 2002 This research presents an ambiguity function analysis of the digital audio broadcast (DAB) waveform and one signal detection approach based on signal space projection techniques that effectively filters the direct-path signal from the receiver target ...
Guner, Abdulkadir
core +1 more source
Passive radar parallel processing using General-Purpose computing on Graphics Processing Units [PDF]
, 2015 In the paper an implementation of signal processing chain for a passive radar is presented. The passive radar which was developed at the Warsaw University of Technology, uses FM radio and DVB-T television transmitters as "illuminators of opportunity". As
Malanowski, Mateusz +2 more
core +2 more sources
Implementation of a DVB-T2 passive coherent locator demonstrator [PDF]
, 2020 Passive Coherent Locator (PCL) radar’s have seen extensive research in the past decade. PCL radars utilize illuminators of opportunity (IOO) as transmitters to perform target detection.
Malape, Micheal Thatohatsi
core +1 more source