3 papers
astro-ph.IM2026
Simulation and Data Processing of Beamforming Experiments with Four 21CMA Stations
Feiyu Zhao, Quan Guo, Junhua Gu +3
We present an end-to-end simulation and data-processing framework for digital beamforming experiments conducted with four stations of the 21 Centimeter Array (21CMA). Motivated by…
astro-ph.IM2025
The Short-spacing Interferometer Array for Global 21-cm Signal Detection (SIGMA): Design of the Antennas and Layout
Feiyu Zhao, Quan Guo, Qian Zheng +8
Numerous experiments have been designed to investigate the Cosmic Dawn (CD) and Epoch of Reionization (EoR) by examining redshifted 21-cm emissions from neutral hydrogen. Detecting…
astro-ph.IM2024
Performance of the Segment Anything Model in Various RFI/Events Detection in Radio Astronomy
Yanbin Yang, Feiyu Zhao, Ruxi Liang +4
The emerging era of big data in radio astronomy demands more efficient and higher-quality processing of observational data. While deep learning methods have been applied to tasks s…