Results 111 to 120 of about 145,983 (280)

Organoid Brain‐Machine‐Interface Devices for Central Nervous System Repair

Advanced Science, EarlyView.
We envision organoid brain‐machine‐interface (Organoid‐BMI) devices as new biohybrid bidirectional communication pathways to connect the human CNS and the external world for personalized CNS repair and regeneration. ABSTRACT Central nervous system (CNS) repair and regeneration suffer from tremendous clinical challenges due to current limitations in ...
Yantao Xing, Yang Yang, Zichen Hong, Chunhui Tian, Huiyu Chu, Susanne Clara Prokop, Hongwei Cai, Mingxia Gu, Jason Tchieu, Ken Mackie, Feng Guo   +10 more
wiley   +1 more source

Liquid Metals in Radio Frequency Applications: A Review of Physics, Manufacturing, and Emerging Technologies

Advanced Electronic Materials, EarlyView.
This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

Advanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang, Weipeng Wang, Xuan Cong, Shiyu Wang, Gao Li, Sen Gong, Lin Huang, Hongxin Zeng, Yaxin Zhang, Ziqiang Yang   +9 more
wiley   +1 more source

Ergonomic Sponge Electrodes From Recycled PEDOT:PSS

Advanced Electronic Materials, EarlyView.
ABSTRACT Emerging technologies in human–machine interfacing increasingly aim to develop solutions that naturally conform to the body's unique characteristics. Ergonomics and electrical performance in cutaneous sensing are crucial for accurate and reliable translation of biosignals.
Matías Ceballos, Wei‐Ting Ting, Susanne Thümmler, Esma Ismailova   +3 more
wiley   +1 more source

Self‐Adhesive Conductive Elastomers for Gel‐Free Biopotential Recording

Advanced Electronic Materials, EarlyView.
σPOMaC, a self‐adhesive conductive citrate elastomer incorporating PEDOT:PSS and DBSA, enables gel‐free biopotential electrodes with stable conductivity and intrinsic skin adhesion. The composite exhibits low resistivity (∼ 0.02 Ω·cm), robust electrical performance during repeated use, and reliable on‐body ECG acquisition comparable to Ag/AgCl ...
Kirstie M. K. Queener, Alec Brewer, He Sun, Jack Twiddy, Vladimir A. Pozdin, Koji Sode, Alper Bozkurt, Michael Daniele   +7 more
wiley   +1 more source

A Time–Frequency Energy Squeeze Method Based on Estimating the Chip Rate of DSSS Signals

Sensors
Chip rate estimation for direct-sequence spread spectrum (DSSS) signals plays a crucial role in signal detection and interference identification in non-cooperative wireless communication systems. However, accurate chip rate estimation is difficult in low
Hang Zhao, Feng-Yuan Sun, Yuan Cai, Wei-Kun Liu   +3 more
doaj   +1 more source

CsPbBr3–Nanodiamonds Hybrid Wafers for Mechanically Robust, High‐Performance X‐Ray Detection

Advanced Electronic Materials, EarlyView.
NDs‐engineered CsPbBr3 hybrid wafers, fabricated via scalable solid‐state grinding and cold pressing, utilize trace NDs to regulate mechanochemical conversion, promote heterogeneous nucleation, bridge grain boundaries, and passivate interfacial defects. The optimized wafer exhibits dense microstructures, improved charge transport, reduced dark current,
Yanan Gong, Zhuangjie Xu, Weidong Zhu, Xiaoxuan Zhang, Zihao Wang, Zeyang Ren, Yanshuang Ba, He Xi, Zhimin Li, Chunfu Zhang, Jincheng Zhang, Yue Hao   +11 more
wiley   +1 more source

Self-interference channel estimation for OFDM-based full-duplex analog arrays

Tongxin xuebao
To address the reliance of existing full-duplex analog array systems on dedicated time slots and external equipment for self-interference channel state information acquisition, a reference signal-assisted self-interferencechannel estimation method was ...
LIN Lang, TANG Wenqiang, ZHAO Hongzhi, PAN Wensheng, SHAO Shihai, TANG Youxi   +5 more
doaj  

Deep Learning Approaches to Autocorrelation Function and Signal-to-Noise Ratio Estimation in Noisy Images

Journal of Informatics and Web Engineering
Accurate estimation of signal-to-noise ratio (SNR) in Scanning Electron Microscopy (SEM) is crucial because it evaluates the image quality. SEM images faced a challenge whereby Gaussian noise commonly appears in the images.
Kai Liang Lew, Kok Swee Sim, Shing Chiang Tan   +2 more
doaj   +1 more source

ALTIS: A new algorithm for adaptive long-term SNR estimation in multi-talker babble. [PDF]

Comput Speech Lang, 2019
Soleymani R, Selesnick IW, Landsberger DM.   +2 more
europepmc   +1 more source