Results 31 to 40 of about 352,165 (301)

An Improved ACKF/KF Initial Alignment Method for Odometer-Aided Strapdown Inertial Navigation System

Sensors, 2018
For a land-vehicle strapdown inertial navigation system (SINS), the problem of initial alignment with large misalignment angle in-motion needs to be solved urgently.
Kang Gao, Shunqing Ren, Guoxing Yi, Jiapeng Zhong, Zhenhuan Wang   +4 more
doaj   +1 more source

Misalignment instability in magic-angle twisted bilayer graphene on hexagonal boron nitride [PDF]

2D Materials, 2020
We study the stability and electronic structure of magic-angle twisted bilayer graphene on the hexagonal boron nitride (TBG/BN). Structural relaxation has been performed for commensurate supercells of the heterostructures with different twist angles ( θ′
Xianqing Lin, Kelu Su, J. Ni
semanticscholar   +1 more source

Analytic study of dark photon and gravitational wave production from axion

Journal of High Energy Physics, 2021
Axion-like fields heavier than about 10 −27 eV are expected to oscillate in the radiation dominated epoch when the Hubble parameter drops below their mass.
Borna Salehian, Mohammad Ali Gorji, Shinji Mukohyama, Hassan Firouzjahi   +3 more
doaj   +1 more source

Increased power gains from wake steering control using preview wind direction information [PDF]

Wind Energy Science, 2023
Yaw controllers typically rely on measurements taken at the wind turbine, resulting in a slow reaction to wind direction changes and subsequent power losses due to misalignments.
B. A. M. Sengers, B. A. M. Sengers, A. Rott, E. Simley, M. Sinner, G. Steinfeld, M. Kühn   +6 more
doaj   +1 more source

Intrinsic alignments of galaxies in the MassiveBlack-II simulation: analysis of two-point statistics [PDF]

, 2015
The intrinsic alignment of galaxies with the large-scale density field is an important astrophysical contaminant in upcoming weak lensing surveys. We present detailed measurements of the galaxy intrinsic alignments and associated ellipticity-direction ...
Di Matteo, Tiziana, Feng, Yu, Khandai, Nishikanta, Mandelbaum, Rachel, Singh, Sukhdeep, Tenneti, Ananth   +5 more
core   +1 more source

Vacuum alignment and radiatively induced Fermi scale [PDF]

, 2016
We extend the discussion about vacuum misalignment by quantum corrections in models with composite pseudo-Goldstone Higgs boson to renormalisable models with elementary scalars.
Alanne, Tommi
core   +5 more sources

Controlling the angle between the distal locking screw and tibiotalar joint tangent helps to reduce the occurrence of misalignment of distal tibial fractures treated with intramedullary nail fixation

BMC Musculoskeletal Disorders, 2022
Background Studies have shown that on the coronal plane, whether the direction of the distal locking screw is parallel to the tangent line of the tibiotalar joint can be used to determine whether there is varus or valgus deformity after the treatment of ...
Miao He, Jian Liu, Xu Deng, Miao He
doaj   +1 more source

Black Hole Spin-Orbit Misalignment in Galactic X-ray Binaries

, 2010
In black hole X-ray binaries, a misalignment between the spin axis of the black hole and the orbital angular momentum can occur during the supernova explosion that forms the compact object.
Belczynski, Brenneman, Dhawan, Fragile, Fragile, Fragile, Fragos, Fryer, Fryer, Gualandris, Hansen, Kalogera, McClintok, Miller, Misner, Natarajan, Orosz, Orosz, Scheuer, Shafee, Willems   +20 more
core   +1 more source

The creation and persistence of a misaligned gas disc in a simulated early-type galaxy [PDF]

, 2015
Massive early-type galaxies commonly have gas discs which are kinematically misaligned with the stellar component. These discs feel a torque from the stars and the angular momentum vectors are expected to align quickly.
Davis, Timothy A., Faucher-Giguere, Claude-Andre, Hopkins, Philip F., Keres, Dusan, Quataert, Eliot, van de Voort, Freeke   +5 more
core   +4 more sources

A New Polar Transfer Alignment Algorithm with the Aid of a Star Sensor and Based on an Adaptive Unscented Kalman Filter

Sensors, 2017
Because of the harsh polar environment, the master strapdown inertial navigation system (SINS) has low accuracy and the system model information becomes abnormal.
Jianhua Cheng, Tongda Wang, Lu Wang, Zhenmin Wang   +3 more
doaj   +1 more source