Abstract: In this correspondence, we investigate the uplink channel estimation for mmWave extremely large-scale multiple-input multiple-output (XL-MIMO) communication system. Our primary emphasis is ...

Never inject homemade saline solution into your body; it must be sterile and used under medical supervision. Make homemade saline with boiled and cooled tap water or distilled water to ensure safety.

Abstract: The space-time-coupled grating lobe clutter (GLC) usually exists and is difficult to handle for subarray-based phased array airborne radar, which would cause serious performance degradation ...

The United Nations' General Assembly overwhelmingly voted on Friday to support a two-state solution to the Israel-Palestinian conflict and urge Israel to commit to a Palestinian state. The 193-member ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. Smoke and flames rise after an Israeli military ...

Getting into competitive programming can feel like a lot at first. You’re trying to solve problems, make your code run fast, and not use too much memory. It’s a bit like a sport. But with tools like ...

Notifications You must be signed in to change notification settings Date: 8/26/2025 Total Time: Approximately 9.5 hours Project: Solve the Maximum SubArray problem--develop a Sum of Subarray's map to ...

Consider someone who’s perfectly content with their office chair. It’s not ergonomic, it doesn’t have lumbar support, but it works. Then, during a meeting or a visit to a friend’s office, they sit in ...

Oral rehydration solutions (ORS) are used to treat dehydration from vomiting, diarrhea, and sweating. Homemade ORS is not recommended for children; over-the-counter solutions are a safer choice. Oral ...

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