Abstract: Traditional interferometer direction-finding has been widely used in various fields. Its disadvantage is that it has high requirements for the signal amplitude of a single channel. Usually, ...
Tulsi Gabbard, the director of national intelligence, was left to square the president’s comments about an imminent nuclear threat from Iran with a letter from one of her trusted aides. By David E.
Abstract: In order to enhance the array aperture and improve the quality of phased array Lamb wave imaging without adding physical array elements, an iterative adaptive Lamb wave imaging method using ...
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