Results 251 to 260 of about 33,788 (311)

A structurally localized ensemble Kalman filtering approach

Quarterly Journal of the Royal Meteorological Society, EarlyView.
We derive an inherently localized ensemble Kalman filtering (EnKF) approach, avoiding the need for any auxiliary localization technique. The idea is to first use the variational Bayesian optimization to approximate the (continuous) state analysis probability density function (pdf) by a product of independent marginal pdfs corresponding to small ...
Boujemaa Ait‐El‐Fquih, Ibrahim Hoteit   +1 more
wiley   +1 more source

Regularized Tensor Quantile Regression With Applications to Neuroimaging Data Analysis. [PDF]

Stat Med
Pietrosanu M, Yu D, Mizera I, Jiang B, Kong L.   +4 more
europepmc   +1 more source

Hybrid physics–data‐driven modeling for sea ice thermodynamics and transfer learning

Quarterly Journal of the Royal Meteorological Society, EarlyView.
Icepack–NN, a machine‐learning‐based hybrid version of the sea‐ice column model Icepack, is developed to correct state‐dependent forecast errors arising from misspecified snow thermodynamics, using neural networks applied online within the physical model.
G. De Cillis, A. Carrassi, J. Brajard, L. Bertino, M. Broccoli, D. Iovino, T.S. Finn, M. Bocquet   +7 more
wiley   +1 more source

Practical predefined-time adaptive fuzzy control for quantized nonlinear systems via observer-differentiator scheme. [PDF]

Sci Rep
Wang Y, Chen J, Ma W.
europepmc   +1 more source

Propagation of internal gravity waves: Optimal vertical discretisation and grid design based on numerical error analysis

Quarterly Journal of the Royal Meteorological Society, EarlyView.
An energy‐conserving discrete framework for the vertical discretisation of stratified ocean models is developed using internal gravity‐wave theory. A β$$ \beta $$‐indexed family of schemes is analysed through perturbation theory, revealing optimal parameter choices and grid designs that reduce truncation errors significantly.
Gabriel Derrida, Laurent Debreu, Florian Lemarié, Jérome Chanut   +3 more
wiley   +1 more source

Bayesian and non-bayesian approaches for estimating the Epanechnikov-Weibull distribution with applications in engineering and electronics data. [PDF]

Sci Rep
Taher TS, Barakat HM, Alqifari HN, Alawady MA, Mansour GM.   +4 more
europepmc   +1 more source

A Sensitivity Analysis Workflow for Power Series Compounded Lifetime Models: Evidence From Weibull Power Series Fits

Quality and Reliability Engineering International, EarlyView.
ABSTRACT We propose a practical procedure to quantify the time varying influence of parameters on hazard functions for power series compounded lifetime models. The procedure combines likelihood based fitting with a two stage sensitivity analysis and applies to a range of baselines and compounding laws.
Yuancheng Si, Saralees Nadarajah
wiley   +1 more source

Navigating the unknown: Nanobubbles and the hidden complexity of aerophilic surfaces. [PDF]

Proc Natl Acad Sci U S A
Lü J.
europepmc   +1 more source

Lot Acceptance Under Inspection Errors: Benefits of Multiple‐Inspector Sampling Versus Single‐Inspector 100% Inspection

Quality and Reliability Engineering International, EarlyView.
ABSTRACT In high‐value and safety‐critical manufacturing contexts (e.g., aerospace, nuclear and defense sectors), reliable and robust conformity assessment of production lots is imperative. While 100% inspection by a single inspector may seem like a solution for this purpose, it can be prone to human error, which can distort lot acceptance decisions ...
Domenico A. Maisano, Lucrezia Ferrara, Fiorenzo Franceschini   +2 more
wiley   +1 more source

Fixed-time formation behavior control for unmanned ground vehicle-manipulators. [PDF]

Sci Rep
Xue W, Lu W, Zhang X, Wang H.
europepmc   +1 more source