Analytic formulation and optimization of weighted total harmonic distortion in single-phase staircase modulated multilevel inverters
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DOI: 10.1016/j.energy.2020.117470
Abstract: Weighted total harmonic distortion (WTHD) is an important performance merit, representing either current or voltage quality of voltage source inverters. Unlike general (non-weighted) THD, which can be evaluated using a closed-form analytic time-domain expression, WTHD… read more here.
Keywords: weighted total; total harmonic; wthd; harmonic distortion ... See more keywords
A weighted total variation based image denoising model using mean curvature
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DOI: 10.1016/j.ijleo.2020.164940
Abstract: Abstract A number of variational models for image denoising have been proposed in the last few years in order to improve the denoising performance of the classical Rudin-Osher-Fatemi model. In this work, we propose an… read more here.
Keywords: weighted total; mean curvature; image; model ... See more keywords
Implications of Nonstationary Effect on Geographically Weighted Total Least Squares Regression for PM2.5 Estimation
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DOI: 10.3390/ijerph18137115
Abstract: Land use regression (LUR) models are used for high-resolution air pollution assessment. These models use independent parameters based on an assumption that these parameters are accurate and invariable; however, they are observational parameters derived from… read more here.
Keywords: weighted total; total least; least squares; geographically weighted ... See more keywords