Results 151 to 160 of about 31,908 (302)
Modeling Ground Sensor Acquisitions of Low Earth Orbit Objects
, 2010 The United States Strategic Command (STRATCOM) utilizes a sensor network to accomplish several of its missions. These missions include missile defense, missile warning, intelligence collection, and space surveillance. For the task of space surveillance,
Bjerkaas, James Kevin
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Arthritis Care &Research, EarlyView.Objective The objective of this study was to estimate the minimal important change (MIC) and minimal clinically important difference (MCID) for pain and physical function in individuals with hip osteoarthritis (OA) following a physiotherapist‐guided exercise intervention.
Yareni Guerrero +8 more
wiley +1 more source
Intelligent Hierarchical Admission Control for Low-Earth Orbit Satellites Based on Deep Reinforcement Learning. [PDF]
Sensors (Basel), 2023 Wei D, Guo C, Yang L.
europepmc +1 more source
OPERATIONAL ASPECTS OF ORBIT DETERMINATION WITH GPS FOR SMALL SATELLITES WITH A SAR PAYLOAD.
, 2005 Scientific small satellite missions for remote sensing with Synthetic Aperture Radar (SAR) payloads or high accuracy optical sensors, pose very strict requirements on the accuracy of the reconstructed satellite positions, velocities and accelerations ...
Zehetbauer, Tino +2 more
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Servicing polar platforms using electric propulsion [PDF]
, 1992 The future of space development has been examined in the context of the infrastructure necessary support it. It is concluded that the selection of propulsion systems for in-orbit transportation requires the development of general computer codes capable
Welch, C. S.
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Arthritis Care &Research, EarlyView.Objective We aimed to estimate the prevalence and cumulative incidence of hydroxychloroquine retinopathy (HCQ‐R) and its risk factors among patients receiving long‐term HCQ with rheumatic diseases through a systematic review and meta‐analysis of observational studies that used spectral‐domain optical coherence tomography (SD‐OCT) for screening ...
Narsis Daftarian +4 more
wiley +1 more source
, 2019 Spacecraft operations below 450km, namely Very Low Earth Orbit (VLEO), can offer significant advantages over traditional low Earth orbits, for example enhanced ground resolution for Earth observation, improved communications latency and link budget, or ...
Rodríguez Donaire, Silvia +5 more
core +1 more source
A Loss Differentiation Method Based on Heterogeneous Ensemble Learning Model for Low Earth Orbit Satellite Networks. [PDF]
Entropy (Basel), 2023 Wei D, Guo C, Yang L, Xu Y.
europepmc +1 more source
Mission analysis of Hevelius-lunar microsatellite mission
, 2005 This paper describes the mission analysis and design of the 'Hevelius - Lunar Microsatellite Mission'. The main goal of the overall mission is to place a net-lander on the far side of the Moon to perform some scientific experiments.
Colombo, Camilla +3 more
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Arthritis Care &Research, EarlyView.Objective This research article aims to describe the prevalence, associations, and health‐related quality of life (HRQoL) impact of mucocutaneous features of systemic lupus erythematosus (SLE). Methods Data from the Asia‐Pacific Lupus Collaboration cohort were analyzed (2013–2021).
Amanda M. Saracino +42 more
wiley +1 more source