Articles with "inversion method" as a keyword



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A Robust Inversion Method for Quantitative 3D Shape Reconstruction from Coaxial Eddy Current Measurements

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Published in 2017 at "Journal of Scientific Computing"

DOI: 10.1007/s10915-016-0241-6

Abstract: This work is motivated by the monitoring of conductive clogging deposits in steam generator at the level of support plates. One would like to use multistatic measurements from coaxial coils in order to obtain estimates… read more here.

Keywords: robust inversion; inversion method; shape; eddy current ... See more keywords
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Novel hybrid block copolymer nanocarrier systems to load lipophilic drugs prepared by microphase inversion method

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Published in 2017 at "Journal of Polymer Research"

DOI: 10.1007/s10965-017-1351-z

Abstract: Nanoparticles based on block copolymers of oligosaccharides [β-cyclodextrin (βCyD) and maltoheptaose (Mal7)] and poly(ε-caprolactone) (PCL) were prepared by microphase inversion method. Zeta-potential, particle size measurements and morphological analysis of drug-free and drug-loaded nanoparticles were performed… read more here.

Keywords: inversion method; block; microscopy; prepared microphase ... See more keywords
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Comparison of inversion method of maize leaf area index based on UAV hyperspectral remote sensing

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Published in 2019 at "Multimedia Tools and Applications"

DOI: 10.1007/s11042-019-7318-9

Abstract: The current inversion method of maize leaf area index has the problems of long time-consuming inversion, high energy consumption, and low fitting coefficient between the prediction result and the actual result. For these problems, an… read more here.

Keywords: inversion method; index; area index; leaf area ... See more keywords
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The attitude inversion method of geostationary satellites based on unscented particle filter

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Published in 2018 at "Advances in Space Research"

DOI: 10.1016/j.asr.2018.01.018

Abstract: Abstract The attitude information of geostationary satellites is difficult to be obtained since they are presented in non-resolved images on the ground observation equipment in space object surveillance. In this paper, an attitude inversion method… read more here.

Keywords: inversion method; inversion; particle; attitude inversion ... See more keywords
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Emulsions prepared by ultrahigh methoxylated pectin through the phase inversion method.

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Published in 2019 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2019.01.111

Abstract: Ultrahigh methoxylated pectin (UHMP) was prepared by esterification of citrus pectin in absolute methanol at 60 °C for 12 h, whereby its methoxylation degree was increased from 63.18 ± 0.08% to 91.20 ± 0.13%, and its molecular weight was reduced from… read more here.

Keywords: phase inversion; inversion method; emulsions prepared; pectin ... See more keywords
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Inversion method of the key structure parameters of light screen array measurement system using genetic algorithm

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Published in 2020 at "Optik"

DOI: 10.1016/j.ijleo.2019.164064

Abstract: Abstract To effectively improve the measurement accuracy of the light screen array measurement system (LSA for short) in the evaluation of continuous rapid-firing weapon, the paper presents an inversion method to obtain the key structure… read more here.

Keywords: inversion method; structure parameters; genetic algorithm; measurement ... See more keywords
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A novel inversion method of 2D TD-NMR signals based on realizing unconstrained maximization of objective function.

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Published in 2022 at "Journal of magnetic resonance"

DOI: 10.1016/j.jmr.2022.107168

Abstract: The inversion of time-domain nuclear magnetic resonance (TD-NMR) signals is an ill-posed problem, which presents enormous challenges for the inversion algorithm. We propose a novel inversion method that converts conventional minimum objective function with non-negative… read more here.

Keywords: objective function; nmr signals; method; inversion method ... See more keywords
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Robust inversion method for jointly estimating parameters and variance components from heterogeneous monitoring data

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Published in 2018 at "Inverse Problems in Science and Engineering"

DOI: 10.1080/17415977.2017.1322589

Abstract: Abstract In this paper, a novel inversion method is proposed for jointly robust estimation of parameters and variance components from disjunctive groups of observations affected by outliers. This method, named robust non-negative variance component estimation… read more here.

Keywords: variance components; inversion method; estimation; method ... See more keywords
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Distribution functions of magnetic nanoparticles determined by a numerical inversion method

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Published in 2017 at "New Journal of Physics"

DOI: 10.1088/1367-2630/aa73b4

Abstract: In the present study, we applied a regularized inversion method to extract the particle size, magnetic moment and relaxation-time distribution of magnetic nanoparticles from small-angle x-ray scattering (SAXS), DC magnetization (DCM) and AC susceptibility (ACS)… read more here.

Keywords: inversion method; inversion; magnetic nanoparticles; distribution ... See more keywords
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2.5-D Inversion of Advanced Detection Transient Electromagnetic Method in Full Space

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2019.2962963

Abstract: The transient electromagnetic method (TEM) can be applied in detecting coal mining heading face with multiple angles. However, a 1-D inversion scheme cannot fit this kind of multi-angle data-receiving system well, nor reducing detection accuracy.… read more here.

Keywords: inversion; method; electromagnetic method; inversion method ... See more keywords
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A Density-Weighted and Cross-Gradient Constrained Joint Inversion Method of Gravity and Vertical Gravity Gradient Data in Spherical Coordinates and Its Application to Lunar Data

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Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2022.3196052

Abstract: The gravity gradient data have higher horizontal resolution and highlight the shallow sources relative to gravity data; therefore, the comprehensive measurement of gravity and its vertical gradient anomalies is commonly used to reveal the density… read more here.

Keywords: gravity; density; inversion; joint inversion ... See more keywords