Results 141 to 150 of about 228,586 (380)

Low-cost navigation and guidance systems for unmanned aerial vehicles - part 1: Vision-based and integrated sensors [PDF]

, 2012
In this paper we present a new low-cost navigation system designed for small size Unmanned Aerial Vehicles (UAVs) based on Vision-Based Navigation (VBN) and other avionics sensors.
Bartel, C, Jia, H, Kaharkar, A, Rodriguez, L, Sabatini, R, Shaid, T, Zammit-Mangion, D   +6 more
core  

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

Matching livestock to landscape: a proposal of metrics to phenotype grazing distribution from Global Navigation Satellite System collar data. [PDF]

Anim Front, 2023
Maroto-Molina F, Padrón-Tejera E, Pérez-Marín DC.   +2 more
europepmc   +1 more source

Using Global Navigation Satellite Systems for modeling Athletic Performances in elite football players [PDF]

, 2022
Frank Imbach, Waleed Ragheb, Valentin Leveau, Romain Chailan, Robin Candau, Stéphane Perrey   +5 more
openalex   +1 more source

Safety of Sodium‐Ion Batteries: Evaluation and Perspective from Component Materials to Cells, Modules, and Packs

Advanced Energy Materials, EarlyView.
This review provides a bottom‐up evaluation of sodium‐ion battery safety, linking material degradation mechanisms, cell engineering parameters, and module/pack assembly. It emphasizes that understanding intrinsic material stability and establishing coordinated engineering control across hierarchical levels are vital for preventing degradation coupling ...
Won‐Gwang Lim, Seoa Kim, Erik A. Wu, Darren H. S. Tan, Shawn Peng, Xiaolin Li   +5 more
wiley   +1 more source

A Multi-Global Navigation Satellite System (GNSS) Time Transfer Method with Federated Kalman Filter (FKF). [PDF]

Sensors (Basel), 2023
Liang K, Hao S, Yang Z, Wang J.
europepmc   +1 more source

TDRSS Augmentation System for Satellites [PDF]

In 2015, NASA Goddard Space Flight Center (GSFC) reinvigorated the development of the TDRSS Augmentation Service for Satellites (TASS). TASS is a global, space-based, communications and navigation service for users of Global Navigation Satellite Systems ...
Baldwin, Philip, Gramling, Cheryl, Heckler, Gregory W., Valdez, Jennifer   +3 more
core   +1 more source

Laparoscopic Colorectal Surgery in the Era of Robotics: Evolution, Eclipse, or Equilibrium?

Annals of Gastroenterological Surgery, EarlyView.
ABSTRACT Minimally invasive colorectal surgery has undergone a remarkable transformation over the past three decades. Laparoscopy, once viewed with skepticism, is now firmly established as a standard approach, supported by robust randomized trials demonstrating oncologic safety and improved recovery compared to open surgery.
Amanjeet Singh, Archit Gupta, Azhar Perwaiz, Adarsh Chaudhary   +3 more
wiley   +1 more source

About Security Global Navigation Satellite System GLONASS

Безопасность информационных технологий, 2011
Threats of a security of global navigating satellite system GLONASS are considered, as well as the key threats influencing reliability of navigating definitions are allocated. The method of orbital monitoring of threats of a security of system GLONASS is
M. Y. Senatorov, R. B. Syatkovskiy
doaj  

A Simultaneous Localization and Mapping System Using the Iterative Error State Kalman Filter Judgment Algorithm for Global Navigation Satellite System. [PDF]

Sensors (Basel), 2023
You B, Zhong G, Chen C, Li J, Ma E.
europepmc   +1 more source