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Abstract: A bidirectional multibeam transmit-reflect-array (TRA) antenna has been proposed for the space–air–ground–sea integrated network (SAGSIN). The TRA consists of alternating transmission ...
Scientists have long been probing the universe to determine how elements came together to form planets and (at least in Earth’s case) gave rise to life. One disconnect was that the universe contained ...
Abstract: Advances in 4-D ultrasound imaging open new perspectives in biomedical research by reducing the long-standing challenge of operator dependency. Extensive research efforts are focused on ...
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