Consistent seismic event location and subsurface parameters inversion through slope tomography: a variable-projection approach
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Journal International"
DOI: 10.1093/gji/ggaa555
Abstract: We revisit the hypocentre–velocity problem, which is of interest in different fields as for example microseismics and seismology. We develop a formulation based on kinematic migration of two picked kinematic attributes in the 2-D case,… read more here.
Keywords: slope; location; subsurface; subsurface parameters ... See more keywords
A Fast Exponential Analysis and Variable Projection-Based Method for Linear Array Synthesis
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2025.3542191
Abstract: This letter presents a fast exponential analysis and variable projection method to reduce the number of elements in linear phased arrays. The numerical examples given in this work demonstrate a reduction of approximately 20% or… read more here.
Keywords: inline formula; fast exponential; variable projection; analysis variable ... See more keywords
An Iterative Implementation of Variable Projection for Separable Nonlinear Optimization Problems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Systems, Man, and Cybernetics: Systems"
DOI: 10.1109/tsmc.2022.3165323
Abstract: The separable nonlinear least-squares (SNLLS) problems considered in this article frequently appear in a wide range of research fields, such as machine learning, computer vision, system identification, and signal processing. The variable projection algorithm proposed… read more here.
Keywords: projection; implementation variable; iterative implementation; variable projection ... See more keywords
Battery State of Health Model Estimation Based on Variable Projection Algorithm Using Steffensen Acceleration Method
Sign Up to like & getrecommendations! Published in 2023 at "Journal of The Electrochemical Society"
DOI: 10.1149/1945-7111/acced5
Abstract: The variable projection based Steffensen acceleration (VP-SA) algorithm is proposed for battery state of health estimation. The VP-SA algorithm exploits the separability of variables to reduce the dimensionality of the parameters, which can improve the… read more here.
Keywords: steffensen acceleration; battery state; acceleration; state health ... See more keywords