Researchers have developed a microscopic 3D-printed optical device that can efficiently combine light from dozens of small ...
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Abstract: Wideband tightly coupled arrays (WTCAs) are essential components of modern advanced communication systems. However, the inevitable mutual coupling will lead to severe beam deterioration ...
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 ...