Results 81 to 90 of about 52,608 (198)
Exceeding the Shockley-Queisser limit within the detailed balance framework
, 2017 The Shockley-Queisser limit is one of the most fundamental results in the field of photovoltaics. Based on the principle of detailed balance, it defines an upper limit for a single junction solar cell that uses an absorber material with a specific band ...
Bercx, Marnik +3 more
core +1 more source
Quarterly Journal of the Royal Meteorological Society, EarlyView.We present a compatible finite‐element discretisation of a general formulation of moist shallow‐water equations, with the aim of providing a simple model to advance understanding of physics–dynamics coupling. We detail set‐ups and show three moist shallow‐water test cases in four different model formulations. The results demonstrate differences between
Nell Hartney +2 more
wiley +1 more source
Proposed standardized definitions for vertical resolution and uncertainty in the NDACC lidar ozone and temperature algorithms – Part 1: Vertical resolution [PDF]
Atmospheric Measurement Techniques, 2016 A standardized approach for the definition and reporting of vertical resolution of the ozone and temperature lidar profiles contributing to the Network for the Detection for Atmospheric Composition Change (NDACC) database is proposed.
T. Leblanc +7 more
doaj +1 more source
Finite Elements with Switch Detection for Numerical Optimal Control of Nonsmooth Dynamical Systems with Set-Valued Heaviside Step Functions [PDF]
, 2023 Armin Nurkanović +3 more
openalex +1 more source
Towards Accurate One-Stage Object Detection with AP-Loss
, 2019 One-stage object detectors are trained by optimizing classification-loss and localization-loss simultaneously, with the former suffering much from extreme foreground-background class imbalance issue due to the large number of anchors.
Chen, Kean +8 more
core +1 more source
Quarterly Journal of the Royal Meteorological Society, EarlyView.Spatio‐temporal patterns in rainfall are evidence of scale interactions in convection in the West African Sahel. Radial normalization of two‐dimensional conditional probability maps reveals a ring‐like structure in rainfall probabilities surrounding previous rainfall.
James Bassford +3 more
wiley +1 more source
Advanced Engineering Research, 2014 A solution to the problem on describing experimentally obtained dependences is considered. The autho r’s method is based upon getting some local approximations of fragments of these relations, and their additive reduction to a single analytical ...
Rudolf Anatolyevich Neydorf
doaj +1 more source
Ensemble Kalman filter in latent space using a variational autoencoder pair
Quarterly Journal of the Royal Meteorological Society, EarlyView.The use of the ensemble Kalman filter (EnKF) in strongly nonlinear or constrained atmospheric, oceanographic, or sea‐ice models can be challenging. Applying the EnKF in the latent space of a variational autoencoder (VAE) ensures that the ensemble members satisfy the balances and constraints present in the model.
Ivo Pasmans +4 more
wiley +1 more source
Recovering Latent Signals from a Mixture of Measurements using a Gaussian Process Prior
, 2017 In sensing applications, sensors cannot always measure the latent quantity of interest at the required resolution, sometimes they can only acquire a blurred version of it due the sensor's transfer function. To recover latent signals when only noisy mixed
Guerrero, Pablo +3 more
core +1 more source
X-Ray Spectrometry, EarlyView.ABSTRACT The diffusion of metal ions in polymer electrolyte membranes is an important parameter for aging and capacity loss in electrochemical cells. Here, the diffusion coefficients of vanadium ions in Nafion membranes are studied. These are important to describe transportation of the ions through the membrane separator in vanadium redox flow ...
Frithjof Mähler +2 more
wiley +1 more source