Abstract: This article introduces a four-element 300-GHz-band bi-directional phased-array transceiver (TRX). The TRX utilizes the same antenna, signal path, and local oscillator (LO) circuitry to ...
Abstract: In this article, a machine-learning-assisted antenna array isolation optimization method for bistatic in-band full-duplex (IBFD) communication systems based on a novel intelligent surface ...
CORTINA D’AMPEZZO, Italy (AP) — The remarkable return of Lindsey Vonn reached a key moment Sunday at the Winter Games, where the 41-year-old American was racing in the women’s downhill on a badly ...
Annual review highlights growing capabilities of AI models, while examining issues from cyber-attacks to job disruption The International AI Safety report is an annual survey of technological progress ...
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Jagged peaks of Mount Fitz Roy in southern Patagonia
Mount Fitz Roy towers above the Patagonian landscape with sharp granite spires and snow-lined ridges, marking the dramatic natural border between Argentina and Chile. Often glowing with warm light at ...
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