Results 91 to 100 of about 352,858 (282)
A Practical Radiosity Method for Predicting Transmission Loss in Urban Environments
EURASIP Journal on Wireless Communications and Networking, 2004 The ability to predict transmission loss or field strength distribution is crucial for determining coverage in planning personal communication systems.
Liang Ming, Liu Qin
doaj +2 more sources
Line of Sight and Image Motion Compensation for Step and Stare Imaging System
Applied Sciences, 2020 In recent years, applications such as marine search and rescue, border patrol, etc. require electro-optical equipment to have both high resolution and precise geographic positioning abilities.
Jihong Xiu +4 more
doaj +1 more source
Smart Nanotechnologies for Multimodal Neuromodulation and Brain Interfacing
Advanced Science, EarlyView.Recent advances in smart nanotechnologies are expanding the toolbox for brain interfacing, from wireless neuromodulation and high‐resolution sensing to targeted delivery within the central nervous system. By combining responsive nanomaterials with bioinspired design, these platforms enable multimodal interactions with neurons and glia, while also ...
Tommaso Curiale +6 more
wiley +1 more source
Advanced Science, EarlyView.A speckle correlation centroid localization method (SCCLM) is proposed for non‐invasive tracking of an arbitrary deformable object through scattering media and around corners, requiring no prior information. Its effectiveness is demonstrated not only in tracking hidden objects beyond the memory effect region but also in following objects undergoing ...
Aiping Zhai +6 more
wiley +1 more source
Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective
Advanced Electronic Materials, EarlyView.Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe +4 more
wiley +1 more source
A Novel Three-Dimensional Algorithm Based on Practical Indoor Visible Light Positioning
IEEE Photonics Journal, 2019 With the increased demand of multiple information, positioning technology raises lots of attention in many fields, including military, emergency assistance, and tracking for vehicles.
H.-X. Zhao, J.-T. Wang
doaj +1 more source
On the Weakening of Chromospheric Magnetic Field in Active Regions
, 2008 Simultaneous measurement of line-of-sight (LOS) magnetic and velocity fields at the photosphere and chromosphere are presented. Fe I line at $\lambda6569$ and $H_{\alpha}$ at $\lambda6563$ are used respectively for deriving the physical parameters at ...
Casini R. +6 more
core +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 +9 more
wiley +1 more source
IEEE AccessThe accurate distinction between line-of-sight (LOS) and non-line-of-sight (NLOS) propagation channels is paramount for precise distance measurement within ultra-wideband (UWB) indoor localization systems.
Ammar Fahem Majeed +4 more
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LOS (Line of Sight) Algorithm and Unknown Input Observer Based Leader-Follower Formation Control
Journal of Institute of Control, Robotics and Systems, 2010 This paper proposes about decentralized control approach based Leader-Follower formation control using LOS (Line of Sight) algorithm and unknown input observer. The position of robots which is a basic information in multi-robot or single robot motion control is determined by localization algorithm fusing UPS (Ultrasonic Position System) and kinematics ...
Suk-Min Yoon +4 more
openaire +2 more sources