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 ...
I’m a mechanical engineer with more than 30 years of experience in industrial automation and design, with projects ranging from individual inventors to international corporations. I hold credit on six ...
Kristina Byas is contributor at Investopedia. As a personal finance expert, she has lent her insights and knowledge to numerous financial publications. Her articles have helped readers navigate the ...
The US Food and Drug Administration (FDA) will allow sponsors to file for drug approval with just one pivotal trial instead of two. A paper, published in the New England Journal of Medicine (NEJM), by ...
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