Results 181 to 190 of about 785 (206)

Accreting White Dwarfs: An Unreview. [PDF]

open access: yesSpace Sci Rev
Scaringi S, Knigge C, de Martino D.
europepmc   +1 more source

Kinematics and Dynamics of the Galactic Halo from RR Lyrae Variable Stars

Astronomy Letters, 2018
Based on a sample of RR Lyrae variable stars including more than 9000 objects with proper motions and distances, we have investigated the kinematics of the Galactic halo from the two-dimensional velocity field. We have used both the proper motions deduced independently by us from the positional data taken from all-sky catalogues in a time interval up ...
N. D. Utkin   +5 more
openaire   +1 more source

Kinematic model for the space-variant image motion of star sensors under dynamical conditions

Optical Engineering, 2015
A kinematic description of a star spot in the focal plane is presented for star sensors under dynamical conditions, which involves all necessary parameters such as the image motion, velocity, and attitude parameters of the vehicle. Stars at different locations of the focal plane correspond to the slightly different orientation and extent of motion blur,
Chao-Shan Liu   +4 more
openaire   +1 more source

Kinect-based assessment of lower limb kinematics and dynamic postural control during the star excursion balance test

Gait & Posture, 2017
Assessments using dynamic postural control tests, like the Star Excursion Balance Test (SEBT), in combination with three-dimensional (3D) motion analysis can yield critical information regarding a subject's lower limb movement patterns. 3D analysis can provide a clear understanding of the mechanisms that lead to specific outcome measures on the SEBT ...
Moataz, Eltoukhy   +4 more
openaire   +2 more sources

Dynamical and kinematical near homoaxial rotations suitable for representation of nonuniformly rotating stars with extended atmospheres

Astrophysics and Space Science, 1985
A nontrivial 'velocity tensor' is suitably defined to represent in the common frame the so-called 'classes of dynamical and kinematical near homoaxial rotations' of a deformable finite material continuum. These classes have simple and interesting physical interpretation, especially for treating of nonuniform rotation and its applications to ...
openaire   +1 more source

A Review of Mathematical Models Used to Estimate Wheeled and Tracked Unmanned Ground Vehicle Kinematics and Dynamics

Mathematics, 2023
Teodor Lucian Grigorie   +2 more
exaly  

Kinematics, Dynamics, and Control of a Cable-Driven Hyper-Redundant Manipulator

IEEE/ASME Transactions on Mechatronics, 2018
Wenfu Xu, Tianliang Liu, Yangmin Li
exaly  

Manipulator Kinematics and Dynamics on Differentiable Manifolds: Part II Dynamics

Journal of Computational and Nonlinear Dynamics, 2022
exaly  

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