Results 41 to 50 of about 55,379 (247)

The calibration of force offset for rocket engine based on deep belief network

open access: yesMeasurement + Control, 2018
Background Force offset is an important movement and control parameter in rocket motor development process, and its accurate measurement is a vital guarantee of rocket motor reliable operation, so there is an essential significance to achieve accurate ...
Jun Zhang   +4 more
doaj   +1 more source

Integral-Based Identification of an Inhomogeneity Model in Respiratory Mechanics [PDF]

open access: yes, 2012
4-pagesIndividualized models of respiratory mechanics may help to reduce potential harmful effects of ventilation therapy by predicting the outcome of certain ventilator settings.
Chase, J.G.   +3 more
core  

Linear complementarity problems on extended second order cones [PDF]

open access: yes, 2018
In this paper, we study the linear complementarity problems on extended second order cones. We convert a linear complementarity problem on an extended second order cone into a mixed complementarity problem on the non-negative orthant.
Németh, S. Z., Xiao, L.
core   +2 more sources

A Levenberg–Marquardt method for estimating polygonal regions

open access: yesJournal of Computational and Applied Mathematics, 2007
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Boron‐Doped Nano‐Crystalline Coated Carbon Fibers for Phasic Dopamine Sensing

open access: yesAdvanced Healthcare Materials, EarlyView.
This uniform coating presents a mix of graphitic and diamond‐like carbon to create a mechanically and electrically robust alternative for the electrochemical detection of dopamine. The electrodes in this work possess the equivalent sensitivity to the state‐of‐the‐art FSCV dopamine detecting electrodes, whilst demonstrating an ability to withstand ...
Simon J. Higham   +19 more
wiley   +1 more source

Determination of the Initial Value Ranges of Nonlinear Solutions for a Log Ratio Bathymetric Inversion Model and Bathymetry Retrieval

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
The log-ratio model (LRM) with three model parameters (${\boldsymbol{n}}$, ${{\boldsymbol{m}}_1},$ and ${{\boldsymbol{m}}_0}$) has been widely used in shallow water bathymetry of multispectral images.
Jiawei Qi   +7 more
doaj   +1 more source

Parameter estimation of Stochastic Logistic Model : Levenberg-Marquardt Method [PDF]

open access: yes, 2009
In this paper, we estimate the drift and diffusion parameters of the stochas- tic logisticmodels for the growth of Clostridium Acetobutylicum P262 using Levenberg- Marquardt optimization method of non linear least squares.
Abd. Rahman, Haliza   +5 more
core  

Use of Parameter Estimation for Stereolithography Surface Finish Improvement [PDF]

open access: yes, 2005
In order to improve Stereolithography (SLA) surface finish, a systematic approach based on estimation of process parameters is needed. In this paper, the exposure on a desired SLA build surface is formulated as a function of process parameters.
Rosen, David W., Sager, Benay
core   +1 more source

Directed Functionalization of Recombinant Spider Silk Nonwoven Membranes with Antibodies Using Non‐Canonical Amino Acids

open access: yesAdvanced Materials, EarlyView.
A recombinant spider silk protein was functionalized by incorporating genetically encoded bio‐orthogonal reactive azido‐groups. The azido‐functionalized proteins were produced in a scalable biotechnological process, and particles, films, as well as nanofibers were established as anchorage for fully functional antibodies via site‐specific bio‐orthogonal
Claudia Lacombe   +4 more
wiley   +1 more source

An accelerated adaptive two-step Levenberg–Marquardt method with the modified Metropolis criterion

open access: yesAIMS Mathematics
In this paper, aiming at the nonlinear equations, a new two-step Levenberg–Marquardt method was proposed. We presented a new Levenberg–Marquardt parameter to obtain the trial step. A new modified Metropolis criterion was used to adjust the upper bound of
Dingyu Zhu, Yueting Yang, Mingyuan Cao
doaj   +1 more source

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