Results 41 to 50 of about 2,867 (260)

Motion and Morphology Planning for Autonomous Manipulation in Clutter With a Shape‐Shifting, Variable‐Stiffness Robot

open access: yesAdvanced Intelligent Systems, EarlyView.
A hybrid mobile robot with a modular Variable‐Stiffness Bridge transitions between a rigid locomotion platform and a flexible, shape‐conforming body. By enclosing objects within its deformable structure rather than relying on dedicated end effectors, the robot achieves orientation‐regulated planar transport, with conformal contact quality shown to ...
Luiza Labazanova   +5 more
wiley   +1 more source

Photon Phase Delay Sensing with Sub-Attosecond Uncertainty

open access: yesSensors
The application of statistical estimation theory to Hong–Ou–Mandel interferometry led to enticing results in terms of the detection limit for photon reciprocal delay and polarisation measurement.
Fabrizio Sgobba   +2 more
doaj   +1 more source

Testing impact of the strategy of VLBI data analysis on the estimation of Earth Orientation Parameters and station coordinates

open access: yesReports on Geodesy and Geoinformatics, 2016
Very Long Baseline Interferometry (VLBI) is the only space geodetic technique capable to realise the Celestial Reference Frame and tie it with the Terrestrial Reference Frame.
Wielgosz Agata   +2 more
doaj   +1 more source

RF Environment Test on a Proposed Site for the Sensor Station of the Next Generation Satellite Navigation System, GALILEO: II. The Result of the Test on the Candidate Site in the Year of 2007 by KASI and ESA [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2008
A RF environmental field test for the proposed Galileo Sensor Station site was done by Alcatel Alenia technical team contracted by European Space Agency (ESA) and the Space Geodesy division of Korea Astronomy and Space Science Institute at the Korean ...
Jung Hyun Jo   +7 more
doaj   +1 more source

DEEP STRUCTURE OF THE ALTAI MOUNTAINS AND MODERN GRAVITY FIELD MODELS

open access: yesГеодинамика и тектонофизика, 2023
The results of the ground-based absolute gravity and space geodetic measurements for the Altai Mountains were considered in combination with EIGEN-6C4 Global Geopotential Model (ETOPO1 Global Relief Model) generated from the satellite data.
V. Yu. Timofeev   +7 more
doaj   +1 more source

Linking community structure and climate vulnerability in desert plant assemblages of southern California

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Desert plant assemblages in southern California provide an opportunity to link patterns of community structure with climate‐driven vulnerability in a rapidly changing environment. California sustains an exceptionally diverse flora of approximately 4300 plant species, with 31% identified as endemic.
Hector Zumbado‐Ulate   +4 more
wiley   +1 more source

Current Situation of GNSS Networks in Romania

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Horticulture, 2019
Nowadays, the need for a more precise positioning is a very high, therefore very demanding one, and this is one of the reasons why very large research funding is allocated in satellite technology, the second reason being global geopolitics situation. New
Alexandru Iulian ILIESCU   +4 more
doaj   +1 more source

Neurotransmitter‐Defined Degeneration Patterns in Sporadic and C9orf72‐Associated Amyotrophic Lateral Sclerosis: Predilection to GABAergic, Serotonergic, Opioid, Glutamatergic, Endocannabinoid, and Microglial Systems—Implications for Therapy Development

open access: yesAnnals of Neurology, EarlyView.
Objective Amyotrophic lateral sclerosis (ALS) has a markedly distinctive clinical and neuroradiological signature, with the preferential involvement of specific brain networks and the apparent sparing of others. The molecular underpinnings of the strikingly selective anatomical vulnerability have not been fully elucidated to date despite the potential ...
Marlene Tahedl   +10 more
wiley   +1 more source

Optimizing Strategies for Non‐Invasive Prospection of Settlements in the Intertidal Zone: A Case Study From the Centre of the Drowned Medieval Village of Tolsende (Scheldt Estuary, the Netherlands)

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT Medieval and early modern drowned villages in the intertidal zone of the Scheldt estuary (the Netherlands) constitute intriguing yet largely understudied components of north‐western Europe's underwater cultural heritage. Despite their high archaeological potential as time capsules of past settlement landscapes, research has remained limited ...
Jan Trachet   +9 more
wiley   +1 more source

Collocation stations in space geodesy and their requirements

open access: yesНаучные труды Института астрономии РАН, 2022
Станции колокации в космической геодезии играют особенную роль, являясь, с одной стороны, станциями, на которых выполняются обычные геодезические измерения, но в то же время, с другой стороны, являясь станциями, связывающими различные технологии спутниковой геодезии, что позволяет производить оценку качества, точности и взаимную проверку результатов ...
openaire   +1 more source

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