Abstract: Capacitive micromachined ultrasound transducers (CMUTs) are typically designed with many small membranes per linear array element. However, these membranes can operate out of phase or ...

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Abstract: Linear sparse arrays (coprime and nested arrays) have been studied extensively as a means of performing direction of arrival (DoA) estimation while bypassing Nyquist sampling theorem.

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A weak phone signal can turn even the latest smartphone into a brick, leaving you with dropped calls, slow internet and messages that refuse to send. It's easy to curse the "middle of nowhere" or ...

Fred Lucas is chief news correspondent and manager of the Investigative Reporting Project for The Daily Signal. He is the author of “The Myth of Voter Suppression: The Left’s Assault on Clean ...

Victor Davis Hanson, a senior contributor for The Daily Signal, is a classicist and historian at the Hoover Institution at Stanford University and host of "The Victor Davis Hanson Show." His website, ...