Abstract: To address the complexities of spatial non-stationary (SnS) effects and spherical wave propagation in near-field channel estimation (CE) for extremely large-scale multiple-input ...

In June 2024, U.S. military radars spotted a Russian nuclear-powered submarine close to South Florida, only 30 miles from the coast. Trump orders release of Arkansas congressman's son serving drug ...

As restaurant chains continue to look for ways to offer value to customers, Subway is bringing back a loyalty program that disappeared 20 years ago. On Monday, the national sandwich chain announced ...

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106 Construct Binary Tree from Inorder and Postorder Traversal Python Medium 105 Construct Binary Tree from Preorder and Inorder Traversal Python Medium 103 Binary Tree Zigzag Level Order Traversal ...

A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible. Sometime in the fall of 2021, Andrew ...

A semi-submersible vessel loaded with over 5,000 pounds of cocaine was intercepted off the Pacific coast of Colombia, the country's navy said Wednesday. Officials said it marked the nation's first ...

America's cyber defense agency has received evidence of hackers actively exploiting a remote code execution vulnerability in SSL VPN products Array Networks AG and vxAG ArrayOS. The security issue is ...

The prime contractor behind the Pentagon’s top acquisition priority is slowing its rate of producing submarines due to a lack of “major components,” company officials said on Wednesday. General ...