PRIMETIMER

KAIST team tests optical frequency combs for radio astronomy

KAIST researchers tested optical frequency comb lasers as reference signals for radio astronomy, aiming to synchronize radio telescopes with light-based timing in VLBI observations.

Quantum mechanical effects help overcome a fundamental limitation of optical microscopy

Researchers from Regensburg and Birmingham have overcome a fundamental limitation of optical microscopy. With the help of ...
IEEE

Robust Federated Learning with Heterogeneous Clients via Classifier Calibration and Alignment

Abstract: Robust Federated Learning (RoFL) extends traditional federated learning, not only by enabling multiple clients to collaboratively train a shared model under the coordination of an edge ...
IEEE

On-Orbit Calibration of Alignment Parameters in Laser Terminals Based on Fourier Series

Abstract: High-precision on-orbit pointing calibration of the Optical Telescope Assembly (OTA) of laser communication terminal (LCT) is a critical prerequisite for rapid acquisition and tracking of ...