Abstract: Time difference of arrival (TDOA) and direction of arrival (DOA) are, respectively, applied to detect partial discharge (PD) target with ultrasonic signal. The reason why these two methods ...
Abstract: We present an electronically reconfigurable antenna array offering low probability of intercept/detect (LPI/LPD) and secure communications capabilities simultaneously at the physical layer.
WSJ’s Shelby Holliday breaks down the U.S. military’s new strategy of boarding Iran-linked vessels in the open ocean. Photo Illustration: Julia Demaree Nikhinson/Associated Press; Annie Zhao For ...
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