3 papers
astro-ph.IM2026
A novel technique for reflection coefficient measurement in precision cosmology
Adarsh Kumar Dash, Yash Agrawal, Somashekar R. +7
The detection of the global 21-cm signal from the Cosmic Dawn and Epoch of Reionisation remains a challenge to experiments worldwide. Emitted at a rest-frame frequency of 1420.405~…
astro-ph.IM2025
An SBC-based controller and processor for the laboratory model of PRATUSH Digital Receiver
Srivani K. S., Girish B. S., Mayuri Sathyanarayana Rao +10
Probing ReionizATion of the Universe using Signal from Hydrogen (PRATUSH) is a proposed space-based radiometer that aims to detect the sky-averaged 21-cm signal from Cosmic Dawn -…
astro-ph.IM2025
A Multi-Site Study of Radio Environment for Cosmology Experiments
Yash Agrawal, Saurabh Singh, Girish B. S. +7
Radio Frequency Interference (RFI) presents a significant challenge for carrying out precision measurements in radio astronomy. In particular, RFI can be a showstopper when looking…