Abstract: As is well known, the prototype coprime arrays consist of two collinear subarrays, whose physical sensor number is coprime to each other. Moreover, their larger inter-element separations and ...

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Abstract: A generalized sum-difference expansion scheme is proposed to construct sparse arrays based on the fourth-order difference co-array with increased degrees of freedom (DOFs). Different from ...

Human beings developed the ability to perceive and react to differences because it is crucial to evolution, adaption, and survival. Living things, in one way or another, perform pattern-matching ...

Some men prefer older men; sometimes much older. Many inquiries I have received over and over again through the years begin something like this: “I've always liked older men, but many gay friends ...

Born in Romania in 1914, Saul Steinberg once described himself as “a writer who draws.”[1] Steinberg fled Europe in 1941, settling in New York City by 1942. While living in the United States, he ...