The implementation of an accurate and efficient forward/backward modeling approach plays a very important role in full waveform inversion (FWI), in which the finite difference method (FDM) with ...

This paper present the design of rectangular grid type patch antenna especially for S Band and X Band applications. Now a day's different antenna are used for different wireless application, so ...

Ancient 'lost city' found at bottom of the Atlantic Ocean holds clue to origins of lifeA vast stone temple built 1,000 years ago by one of South America's most powerful civilizations has been ...

All-over repeat pattern featuring large vertical rectangular grid superimposed by rounded hourglass shapes in white. Lines are rough and speckled with black, and original was likely rendered in crayon ...