Abstract: This letter proposes a deep unfolding network, termed Global Attention FISTA Network (GAFNet), for sparse channel estimation in the delay-Doppler (DD) domain of Orthogonal Time-Frequency ...

Abstract: Doppler ultrasound modalities, which include spectral Doppler and color flow imaging, are frequently used tools for flow diagnostics because of their real-time point-of-care applicability ...

Yet another round of potentially severe storms is threatening the Chicago area Friday, the latest in a string of systems eyeing the region this week. With virtually the entire Chicago area under a ...

Class started two minutes ago, but students are already solving a problem you left for them to find upon entering the room. Students are calm, they are focused, and there is a purposeful energy all ...

As Artemis II prepares to splash down off the coast of California this week, some educators and advocates say the mission has given them the opportunity to reinforce the importance of teaching and ...