Abstract: Sparse arrays designed based on fourth-order difference co-array (DCA) can achieve significantly higher uniform degrees-of-freedom (uDOFs). However, most existing fourth-order sparse arrays ...

A mother and her two children were found safe Saturday night, and three people were arrested for kidnapping as a result of a ...

Abstract: In this letter, we propose a multisnapshot gridless direction of arrival (DOA) estimation method for uniform circular arrays based on shift-invariant beam pattern. Firstly, the arbitrary ...

Federal agencies, state agencies, and even private companies offer funding to help you grow your business Greg Daugherty has worked 25+ years as an editor and writer for major publications and ...

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President Donald Trump warned Iran “better get smart soon” Wednesday, as he weighed military options for the Strait of Hormuz with peace talks at an impasse. Subscribe to read this story ad-free Get ...

Drink water to help reduce caffeine's side effects by keeping your body hydrated. Exercise lightly, like walking or stretching, to calm nervous energy from too much caffeine. Eating a balanced snack ...