Abstract: Based on the finite-element analysis software Ansys Maxwell, this article proposed a simulation method for the core losses of pulsewidth modulation wave voltage excitation with dc bias which ...

Abstract: Electromagnetic (EM) methods are widely used in geophysical exploration. Different EM methods offer varying detection depths and resolutions. Magnetotelluric (MT) typically provides ...

Document image parsing is challenging due to its complexly intertwined elements such as text paragraphs, figures, formulas, and tables. Dolphin addresses these challenges through a two-stage approach: ...