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What's happening in the Mid-Hudson Valley: Dec. 26, 2025

English as a Second Language tutoring at the Phoenicia Library, 48 Main St., Phoenicia, runs every Thursday from 6 p.m. to 7 p.m., with librarian Susan teaching English to those who wish to learn. All ...
IEEE

Rotational Doppler Effect Based on Reconfigurable Circularly Polarized OAM Array

Abstract: Orbital angular momentum (OAM) radar is a new type of radar that can provide azimuth information about targets in the field of detection and imaging. However, previous OAM radar systems have ...