Results 31 to 40 of about 372 (140)

Signal characterisation and processing in the forward scatter mode of bistatic passive coherent location systems

open access: yes, 2013
The transfer of the forward scatter (FS) concept to passive coherent location (FS PCL) systems provides a new emerging area of research. This article is dedicated to investigate various aspects of a bistatic passive coherent location (PCL) system ...
Vladimir Sizov   +11 more
core   +1 more source

Gridless High-Order Target Kinematic Parameter Estimation in Passive Radars—From Cross-Ambiguity Function to Zak Transform

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
This article deals with practical considerations on signal processing in passive radars. First, the Zak transform is used to approximate the cross-ambiguity function (CAF) commonly applied in passive coherent location (PCL). Next, an efficient method for
Karol Abratkiewicz, Zbigniew Gajo
doaj   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

open access: yesAdvanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil   +13 more
wiley   +1 more source

Respiratory Organ‐on‐a‐Chip for Disease Modeling: From Architecture to Functional Integration

open access: yesAdvanced Healthcare Materials, EarlyView.
Respiratory organ‐on‐a‐chip (ROC) models capture key mechanical and cellular cues of the human respiratory system, enabling quantitative dissection of disease mechanisms. This review links ROC architectures to disease modeling, functional integration, and commercialization, and proposes a decision framework that aligns model complexity with mechanistic
Jinzhuo Hu   +4 more
wiley   +1 more source

Magnetic Textiles: A Review of Materials, Fabrication, Properties, and Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Magnetic textiles (M‐textiles) are emerging as a programmable materials platform that merges magnetic matter with hierarchical textile structures. This article consolidates magnetic material classes, textile architectures, and fabrication and magnetization strategies, revealing structure–property–function relationships that govern magneto‐mechanical ...
Li Ke   +3 more
wiley   +1 more source

Mechanically Robust Biodegradable Stents With Theragenerative Vascular Responses via Combined 3D Printing and Janus Nanoengineering

open access: yesAdvanced Science, EarlyView.
This work introduces a theragenerative 3D‐printed biodegradable stent with Janus nanoarchitecture for spatially controlled vascular healing. A luminal tantalum ion–implanted surface accelerates endothelialization and hemocompatibility, while an abluminal sirolimus/poly‐L‐lactic acid–tantalum layer provides sustained drug release and suppresses smooth ...
Jong Hwa Seo   +19 more
wiley   +1 more source

White space Passive Coherent Location system based on IEEE 802.22

open access: yes, 2015
In this work we describe a Passive Coherent Location (PCL) system that exploits the signals emitted by IEEE 802.22 devices, operating in the white spaces of the VHF/UHF TV bands. The analysed system is called White Space PCL (WS-PCL).
STINCO, PIETRO   +3 more
core   +1 more source

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

open access: yesAdvanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao   +3 more
wiley   +1 more source

NO NĀ PUA: Exploring the feasibility of culture‐based social prescribing on firefighters' wellbeing in Hawaiʻi

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract Firefighters face an array of stressors due to the demands of their occupation, leading to a high prevalence of mental health challenges. Social prescribing represents a novel approach to healthcare that emphasizes a holistic view of health and wellbeing.
Janice Ikeda   +2 more
wiley   +1 more source

Multi Band FM and DVB-T2 Passive Radar Demonstrator

open access: yes, 2022
S.1336-1345Reliable and accurate coverage in Passive Coherent Location (PCL) systems requires the use of multiple transmitters of opportunity combined with multiple PCL receivers.
Malape, M.   +6 more
core   +1 more source

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