Results 211 to 220 of about 17,764,059 (293)

A broadband lithium tantalate-on-silicon nitride heterogeneous modulator for optical and terahertz communications and radar sensing. [PDF]

Nat Commun
Su J, Yuan Y, Dai Y, Sun A, Ran S, Gao W, Liu W, Liu Y, Lu L, Zhang J, Zeng C, Dong B, Li Y, Chi N, Xia J, Chen J, Zhou L.   +16 more
europepmc   +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

Echo Model Analysis and Frequency-Domain Imaging Algorithm for Geosynchronous Spaceborne-Airborne FMCW Bistatic SAR with High-Maneuvering Receiver. [PDF]

J Imaging
Liu X, Ding L, Lu C, Yang W, Li P.
europepmc   +1 more source

Emerging Memory and Device Technologies for Hardware‐Accelerated Model Training and Inference

Advanced Electronic Materials, EarlyView.
This review investigates the suitability of various emerging memory technologies as compute‐in‐memory hardware for artificial intelligence (AI) applications. Distinct requirements for training‐ and inference‐centric computing are discussed, spanning device physics, materials, and system integration.
Yoonho Cho, Dae‐won Kim, Yujin Kim, Jung‐Heum Na, Yuwon Jeong, Dong‐Yeop Lee, Shinhyun Choi   +6 more
wiley   +1 more source

Recent Advances in Programmable Metasurfaces and Meta‐Devices

Advanced Electronic Materials, EarlyView.
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao, Chong He, Nan Wang, Liming Si, Weiren Zhu   +4 more
wiley   +1 more source

A Sparse Super-Resolution Imaging Approach for Array Scanning Radar in High-Resolution Ground Mapping. [PDF]

Sensors (Basel)
Tuo X, Jing W, Xu Y, Li F, Huang B, Jiang G.   +5 more
europepmc   +1 more source

Experimental Demonstration of Temporally Aware Fault‐Tolerant Sensor Fusion Using Memristive Associative Learning

Advanced Electronic Materials, EarlyView.
In dynamic driving scenarios, the proposed approach ensures only temporally aligned sensor inputs to make driving decisions, preventing false activations. By enabling selective hardware‐level learning, it achieves fast, reliable responses under noisy conditions.
Kapil Bhardwaj, Ashfak Nehal, Dmitrii Semenov, Roman Sotner, Sayani Majumdar   +4 more
wiley   +1 more source

Microwave Radar Sensing for Non-Invasive Intra-Abdominal Pressure Monitoring: A Simulation-Based Analysis with Phantom Testing. [PDF]

Sensors (Basel)
Tayebi S, Zarghami A, Chen C, Dabrowski W, Malbrain MLNG, Stiens J.   +5 more
europepmc   +1 more source

Electrically Tuning Electromagnetic Wave Shielding in Phase Engineered 1T/2H‐MoS2‐Based Devices

Advanced Electronic Materials, EarlyView.
Sub‐millimeter‐thick phase‐engineered 1T/2H‐MoS2 structures enable electrically tunable electromagnetic interference shielding through active modulation of microwave absorption and reflection. The coexistence of metallic and semiconducting phases, combined with a PVA/KOH gel electrolyte, provides dynamic control over charge transport and interfacial ...
Mustafa Akyol, Atalay Bozdogan, Hakan Eroglu, Muharrem Karaaslan   +3 more
wiley   +1 more source

Contributions to Tsunami Detection by High Frequency Radar

, 2020
openaire   +2 more sources