A nested set is a smart way to implement an ordered tree that allows for fast, non-recursive queries. For example, you can fetch all descendants of a node in a single query, no matter how deep the ...
Abstract: Recently, sparse arrays such as nested array and coprime array have attracted much attention in the field of array signal processing. In this letter, we develop a symmetric coprime array ...
Abstract: In this letter, an effective method for estimating direction-of-arrival (DOA) using the nested array via mixed-resolution (MR) quantization is developed. First, we derive the output signal ...
States will share $10 billion for rural health care next year in a program that aims to offset the Trump administration's massive budget cuts to rural hospitals, federal officials announced Monday.
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