Results 41 to 50 of about 303,765 (264)

A Comprehensive Survey on Short-Distance Localization of UAVs

open access: yesDrones
The localization of Unmanned Aerial Vehicles (UAVs) is a critical area of research, particularly in applications requiring high accuracy and reliability in Global Positioning System (GPS)-denied environments.
Luka Kramarić   +3 more
doaj   +1 more source

Super-Resolution Time of Arrival Estimation Using Random Resampling in Compressed Sensing [PDF]

open access: yes, 2018
There is a strong demand for super-resolution time of arrival (TOA) estimation techniques for radar applications that can that can exceed the theoretical limits on range resolution set by frequency bandwidth.
Fang SHANG   +3 more
core   +2 more sources

Multipath-Assisted Ultra-Wideband Vehicle Localization in Underground Parking Environment Using Ray-Tracing

open access: yesSensors
In complex underground parking scenarios, non-line-of-sight (NLOS) obstructions significantly impede positioning signals, presenting substantial challenges for accurate vehicle localization.
Shuo Hu   +3 more
doaj   +1 more source

Research of underground positioning algorithm based on DOA and TDOA

open access: yesGong-kuang zidonghua, 2013
In view of problems that current underground positioning system is sensitive to environmental change and has low positioning accuracy, the paper introduced an underground positioning algorithm based on DOA and TDOA. The algorithm takes advantages of high
ZHAI Yan-rong   +5 more
doaj   +1 more source

Time-of-arrival distributions from position-momentum and energy-time joint measurements [PDF]

open access: yes, 1999
The position-momentum quasi-distribution obtained from an Arthurs and Kelly joint measurement model is used to obtain indirectly an ``operational'' time-of-arrival (TOA) distribution following a quantization procedure proposed by Kocha\'nski and W ...
A. D. Baute   +50 more
core   +2 more sources

Pazopanib Combined With Vincristine and Irinotecan in Relapsed Wilms Tumor: Encouraging Outcomes in a Heavily Pretreated Pediatric Cohort

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background While Wilms tumor (WT) typically has a favorable prognosis, relapsed cases—especially those with high‐risk histology—remain therapeutically challenging after intensive frontline therapy. The combination of vincristine and irinotecan has demonstrated activity in pediatric solid tumors, and pazopanib, a multi‐targeted tyrosine kinase ...
Maria Debora De Pasquale   +6 more
wiley   +1 more source

Quantum optical time-of-arrival model in three dimensions

open access: yes, 2004
We investigate the three-dimensional formulation of a recently proposed operational arrival-time model. It is shown that within typical conditions for optical transitions the results of the simple one-dimensional version are generally valid.
Aharonov Y   +25 more
core   +1 more source

Review of Localization and Clustering in USV and AUV for Underwater Wireless Sensor Networks

open access: yesTelecom, 2023
Oceanographic data collection, disaster prevention, aided navigation, critical observation sub-missions, contaminant screening, and seaward scanning are just a few of the submissions that use underwater sensor hubs.
Kaveripakam Sathish   +3 more
doaj   +1 more source

Psychosocial Outcomes in Patients With Endocrine Tumor Syndromes: A Systematic Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction The combination of disease manifestations, the familial burden, and varying penetrance of endocrine tumor syndromes (ETSs) is unique. This review aimed to portray and summarize available data on psychosocial outcomes in patients with ETSs and explore gaps and opportunities for future research and care.
Daniël Zwerus   +6 more
wiley   +1 more source

Automatic picking and probabilistic location for earthquake assessment in the Lesser Antilles subduction zone (1972–2012)

open access: yesComptes Rendus. Géoscience, 2021
Instrumental catalogues of earthquakes in the subduction zone of the Lesser Antilles are produced by local observatories and the International Seismological Centre.
Massin, Frédérick   +7 more
doaj   +1 more source

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