Abstract: Compared to conventional 3D radar systems, 4D radar systems require higher angular resolution in both azimuth and elevation. Besides, sparse arrays offer several advantages, including ...

Abstract: The free-space wavelengths in the 300-GHz band are so short that it is extremely challenging to realize phased arrays with a half-wave antenna pitch, required for preventing grating lobes.

Elon Musk’s X has begun rolling out a new feature for user profiles that will display information about the account, including where it’s based, how many times the account has changed its username, ...

Gmail users have been warned they should opt out of a new feature on the platform if they do not want their personal data to be used "to train AI models." In a viral post on social media platform X ...