Results 171 to 180 of about 31,908 (302)

Performance Analysis of NB-IoT Uplink in Low Earth Orbit Non-Terrestrial Networks. [PDF]

Sensors (Basel), 2022
Kim MG, Jo HS.
europepmc   +1 more source

Neighborhood Socioeconomic Status and Short‐Term Functional Outcomes in Systemic Lupus Erythematosus

Arthritis Care &Research, EarlyView.
Objective Individuals with systemic lupus erythematosus (SLE) can accumulate functional status (FS) impairment. We evaluated the association between neighborhood socioeconomic disadvantage, as measured by the Area Deprivation Index (ADI), and FS in a national SLE sample.
Baljeet Rai, Jessica Fitzpatrick, Jing Li, Eric Roberts, Patricia Katz, Laura Plantinga, Gabriela Schmajuk, Jinoos Yazdany   +7 more
wiley   +1 more source

Associations of Lifestyle‐Related Factors and Psoriatic Arthritis Disease Activity: The Dutch South West Psoriatic Arthritis Study

Arthritis Care &Research, EarlyView.
Objective This study aims to investigate lifestyle‐related factors in patients with psoriatic arthritis (PsA) and their association with disease activity measurements. Methods This multicenter cohort included 938 patients who were newly diagnosed with PsA between 2013 and 2023.
Batoul Hojeij, Ilja Tchetverikov, Marc R. Kok, Marijn Vis, Yvonne Goekoop‐Ruiterman, Jessica Bijsterbosch, Paul Baudoin, Reinhard Bos, Jos H. van der Kaap, Petra Kok, Lindy‐Anne Korswagen, Jolanda J. Luime   +11 more
wiley   +1 more source

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

International Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam, Anthony Siming Chen, Guido Herrmann   +2 more
wiley   +1 more source

Metamaterial Based Ku-Band Antenna for Low Earth Orbit Nanosatellite Payload System. [PDF]

Nanomaterials (Basel), 2023
Alam T, Islam MT, Hakim ML, Alharbi KH, Singh MSJ, Sheikh MM, Aldhaheri RW, Islam MS, Soliman MS.   +8 more
europepmc   +1 more source

LSTM-Assisted Doppler Opportunistic Positioning with Low Earth Orbit Satellites

天地一体化信息网络
Opportunistic positioning using the instantaneous Doppler frequency offset of low earth orbit (LEO) satellite communication signals faces the following problems: significant impact of frequency offset estimation errors on positioning accuracy and ...
Wei Yuming, Cui Gaofeng, Wu Mengjing, Wang Weidong   +3 more
doaj  

Integrative focus on the space exposome-integrome: physiological challenges and practical limits of countermeasures beyond low Earth orbit. [PDF]

NPJ Microgravity
Bailey DM, Blottner D, Gunga HC, Schneider S, Wotring V, Baatout S, Durante M, Olde Engberink RHG, Goswami N, Heer M, Liphardt AM, Monici M, Pagnini F, Stern C, Stukenborg JB, Weber T, Vico L, White O, van Ombergen A, Choukér A.   +19 more
europepmc   +1 more source

Glycogen metabolism is required for optimal cyanobacterial growth in the rapid light-dark cycle of low-Earth orbit. [PDF]

Life Sci Space Res (Amst), 2023
Bishé B, Golden SS, Golden JW.
europepmc   +1 more source

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

Advanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo, Shuo Qu, Shiming Gao, Xu Song   +3 more
wiley   +1 more source

POSS Polyimide Composite Sealed Triple-Junction GaAs Thin-Film Solar Cell for Long-Term Low Earth Orbit Serve. [PDF]

Adv Sci (Weinh)
Qian M, Wu M, Xuan X, Gao Y.
europepmc   +1 more source