Results 81 to 90 of about 2,161,885 (199)

Cellulose supramolecular ionogel with robust mechanical strength and thermal stability for flexible electronics

Smart Molecules, EarlyView.
In this study, a double‐network cellulose‐polyvinyl alcohol (Cel/PVA) ionogel with a dense supramolecular structure is fabricated via H‐bonding network reconstruction. The Cel/PVA ionogel exhibits outstanding mechanical strength, high ionic conductivity, a wide electrochemical window, and excellent thermal stability, demonstrating its tremendous ...
Wenjuan Wang, Minxin Wang, Changhong Lin, Geyuan Jiang, Jianfei Zhou, Dawei Zhao   +5 more
wiley   +1 more source

A MFR Work Modes Recognition Method Based on Dual-Scale Feature Extraction

Remote Sensing
Multi-function radar (MFR) work modes recognition is an important research component of the electronic reconnaissance field. When facing MFR systems equipped with complex mode-waveform mapping relationships and flexible beam scanning techniques, the ...
Zhiyuan Li, Xuan Fu, Chengjian Mo, Jianlong Tang, Ronghua Guo, Wenbo Li   +5 more
doaj   +1 more source

Radar Constant-Modulus Waveform Optimization for High-Resolution Range Profiling of Stationary Targets

Sensors, 2017
The high-resolution range (HRR) profile is an important target signature in many applications (e.g., automatic target recognition), and the radar HRR profiling performance is highly dependent on radar transmitted waveforms. In this paper, we consider the
Wenzhen Yue, Lin Li, Yu Xin, Tao Han
doaj   +1 more source

Probabilistic estimation of reliable sensor spacing for wire break detection in prestressed concrete using acoustic emission technique

Structural Concrete, EarlyView.
Abstract The acoustic emission (AE) technique has proven to be an effective method for detecting individual wire breaks in prestressed concrete structures affected by stress corrosion cracking (SCC). However, despite its widespread application, the quantitative assessment of AE monitoring reliability and optimal sensor placement remains unresolved ...
Max Fiedler, Steffen Marx
wiley   +1 more source

Constructing High‐Performance PVDF‐Based Piezoelectric Composites via Hydrogen Bond Anchoring Strategy for Flexible Sensing Applications

Transformative Chemistry, EarlyView.
This work proposes a full‐surface hydrogen bonding anchoring strategy to construct a high‐performance piezoelectric sensor for intelligent sensing. ABSTRACT Fluoropolymers are crucial for next‐generation lightweight, portable, and human–computer interactive devices.
Yuying Wu, Si Chen, Zijie Luo, Gang Zhou, Lei Zhu, Xinyuan Zhu, Youfu Wang, Xin Jin   +7 more
wiley   +1 more source

A perspective on automated rapid eye movement sleep assessment

Journal of Sleep Research, Volume 34, Issue 2, April 2025.
Summary Rapid eye movement sleep is associated with distinct changes in various biomedical signals that can be easily captured during sleep, lending themselves to automated sleep staging using machine learning systems. Here, we provide a perspective on the critical characteristics of biomedical signals associated with rapid eye movement sleep and how ...
Mathias Baumert, Huy Phan
wiley   +1 more source

An Orthogonal Waveform Scheme for Imaging MIMO-Radar Applications [PDF]

, 2013
Synthetic Aperture Radar (SAR) based on Digital Beamforming (DBF) belongs to the family of Multi-Modal Radar Systems (MMRSs) which offer higher operational flexibility and improved performance compared to conventional radar systems using analog beam ...
Patyuchenko, Anton, Laskowski, Piotr, Younis, Marwan, Krieger, Gerhard, Rommel, Tobias   +4 more
core  

An Active Deception Combined Jamming Identification Method Based on Waveform Modulation

Signals
Jamming pattern identification is a crucial prerequisite for countering jamming. Combined jamming exhibits complex structures and diverse forms, making it difficult for traditional identification methods to extract suitable and stable features for ...
Yun Zhou, Fulai Wang, Nan Jiang, Zhanling Wang, Chen Pang, Lei Zhang, Yongzhen Li, Ping Wang   +7 more
doaj   +1 more source

Photonic Integrated Circuit Platform on 3 μm Thick Silicon‐on‐Insulator and Its Application Examples

Nanophotonics, Volume 15, Issue 17, 11 September 2026.
This paper gives an overview of the 3 μm SOI PIC platform and explains its unique characteristics, such as ultra‐high mode confinement, low losses, dense integration, polarization‐independent operation, small phase errors, and ultra‐broadband operation.
Timo Aalto, Dura Shahwar, Markku Kapulainen, Mikko Harjanne, Katherine Bryant, Somnath Paul, Päivi Heimala, Fei Sun, Jae‐Wung Lee, Ari Hokkanen   +9 more
wiley   +1 more source

Multi-Function Working Mode Recognition Based on Multi-Feature Joint Learning

Remote Sensing
With advancements in phased array and cognitive technologies, the adaptability of modern multifunction radars (MFRs) has significantly improved, enabling greater flexibility in waveform parameters and beam scheduling.
Lei Liu, Minghua Wu, Dongyang Cheng, Wei Wang   +3 more
doaj   +1 more source