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Autor:
Jin Ming Koh, Kang Hao Cheong
Publikováno v:
Ultramicroscopy. 202:173-179
Not all workable spectrometer systems can be represented by an exact analytical field; furthermore, while traditional design methods typically involve approximating known analytical fields with appropriate electrode/magnet configurations, modern simu
Autor:
Jin Ming Koh, Kang Hao Cheong
Publikováno v:
Advanced Science
In game theory, Parrondo's paradox describes the possibility of achieving winning outcomes by alternating between losing strategies. The framework had been conceptualized from a physical phenomenon termed flashing Brownian ratchets, but has since bee
Publikováno v:
Advanced Science, Vol 7, Iss 3, Pp n/a-n/a (2020)
Advanced Science
Advanced Science
Many predators produce dormant offspring to escape harsh environmental conditions, but the evolutionary stability of this adaptation has not been fully explored. Like seed banks in plants, dormancy provides a stable competitive advantage when seasona
Autor:
Kang Hao Cheong, Jin Ming Koh
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. 227:31-39
In the current study, we demonstrate an automated optimization method based on the Levenberg–Marquardt algorithm for electron-optical systems, incorporating an adaptive merit function switching process that enhances minimization convergence. The al
Autor:
Jin Ming Koh, Kang Hao Cheong
Publikováno v:
Ultramicroscopy. 202
Advancements in computational tools have driven increasingly automated, simulation-centric approaches in the design and optimization of spectroscopic electron-optical systems. These augmented methodologies accelerate the optimization process, and can