Results 51 to 60 of about 842,020 (274)
Simulation of Synthetic Aperture Radar Images for Ocean Ship Wakes
Remote Sensing, 2023 To assist in the detection of ship targets in complex sea conditions, a numerical simulation method is proposed to obtain synthetic aperture radar (SAR) images of time-varying ocean ship wakes under various radar, ship, and sea surface parameters.
Shuya Wu +5 more
doaj +1 more source
FEBS Letters, EarlyView.Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho +3 more
wiley +1 more source
International Journal of Advanced Robotic Systems, 2020 In this study, we designed a dynamic output feedback control for a walking assistance training robot. The proposed system addresses the problems of shifts in the center of gravity and vibration associated with time-varying arm of force in omniwheel to ...
Hongbin Chang, Shuoyu Wang, Ping Sun
doaj +1 more source
Alexandria Engineering Journal, 2022 A dual-flexible manipulator with a telescopic arm is affected by joint flexibility, load flexibility, and bearing friction, which will cause angular velocity fluctuation.
Dongyang Shang +3 more
doaj +1 more source
Adaptive Backstepping Autopilot Design for Missiles of Fast Time-varying Velocity
IFAC-PapersOnLine, 2016 Abstract An adaptive backstepping control scheme is proposed to design a missile autopilot during boost-phase. In the boost-phase, accurately controlled missiles experience fast velocity variations that make the missile dynamics be highly nonlinear.
Seokwon Lee +3 more
openaire +1 more source
By dawn or dusk—how circadian timing rewrites bacterial infection outcomes
FEBS Letters, EarlyView.The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo +2 more
wiley +1 more source
DronesIn this study, an adaptive impact-time-control cooperative guidance law based on deep reinforcement learning considering field-of-view (FOV) constraints is proposed for high-speed UAVs with time-varying velocity.
Zhenyu Liu +5 more
doaj +1 more source
Approximate Solution of Sensitivity Matrix with Final Velocity Constraint Using Linear Time-Varying Gravity Assumption [PDF]
فصلنامه علوم و فناوری فضایی, 2012 In this research, an approximate solution of the required velocity with final velocity constraint is derived using linear gravity assumption along the path of current position to the final position vectors.
S. H. Jalali Naini
doaj
Stabilization of a Class of Nonlinear ODE/Wave PDE Cascaded Systems
IEEE Access, 2022 We investigate stabilization of a class of cascaded systems of nonlinear ordinary differential equation (ODE)/wave partial differential equation (PDE) with time-varying propagation speed based on a two-step PDE backstepping transformation. A time-varying
Cong Lin, Xiushan Cai
doaj +1 more source
N-body simulations of the Carina dSph in MOND [PDF]
, 2014 The classical dwarf spheroidals (dSphs) provide a critical test for Modified Newtonian Dynamics (MOND) because they are observable satellite galactic systems with low internal accelerations and low, but periodically varying, external acceleration.
Angus, Garry W. +4 more
core +4 more sources