Abstract: With the development of sensor technology, underwater acoustic technology has also thrived. In this case, higher requirements for underwater direction of arrival (DOA) estimation are ...

Abstract: This article investigates the target elevation estimation problem for passive radar based on a double-layer uniform circular array (DUCA). First, we propose a calibration method for the DUCA ...

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The idea of putting a dollar figure on attractiveness has bubbled up from obscure corners of the internet. By T.M. Brown Last year, subway cars in New York City were emblazoned with advertisements for ...

As part of the Rural Health Transformation Program, 42 states are expanding or establishing new alternative payment models, a recent analysis shows. The analysis (PDF) was conducted by nonpartisan ...