Abstract: This work proposes a Time Modulated Frequency Diverse Array (TM-FDA) architecture, innovatively configured for direction-finding purposes. The system is built by combining the standard ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — The defense secretary’s ...

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Millions of tons of coal ash left over from burning the planet’s dirtiest fossil fuel are sitting in ponds and landfills, able to leach into waterways and pollute soil. But this toxic waste may also ...

Abstract: Circularly polarized (CP) phased array antennas (PAAs) often face challenges in achieving wide element beams and axial ratio (AR) patterns simultaneously, thereby constraining their scanning ...

Google Photos has a feature designed to prevent duplicate photos being added, yet it remains a common issue. Several factors contribute to this problem. All the above-mentioned reasons lead to ...

Apple has made available the fifth betas of iOS 18 and iPadOS 18 to public beta testers, bringing the new software to the general public. Keep reading to learn how to prepare your device for the beta ...