Cosmic eruption caught in the act by submillimeter array's new fastest response system

On Jan. 26, 2026, the Submillimeter Array (SMA) on Maunakea crossed an important threshold for time-domain astronomy. For the ...
IEEE

High-Resolution and Wide-Swath SAR Imaging With Sub-Band Frequency Diverse Array

Abstract: High-resolution and wide-swath imaging serves as an important task for synthetic aperture radar (SAR). However, the tradeoff between high azimuth resolution and wide unambiguous swath ...
IEEE

Window Function-Based Frequency Diverse Sub-Arrays for Randomized Radiation Enhancement

Abstract: When itcomes to physical layer security (PLS), a combined technique of randomized radiation and frequency diverse sub-arrays (FDSAs) with nonlinear frequency offsets (FOs) can produce a ...