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bayesian inference 1global 21-cm signal 1noise wave calibration 1numerical stability 1radio instrumentation 1

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astro-ph.CO2026

Impact of numerical stability in Bayesian noise wave calibration on global 21-cm experiments

Saswata Dasgupta, Adarsh Kumar Dash, Dominic Anstey +3

The paper identifies and mitigates a numerical instability in the Bayesian noise‑wave calibration used for global 21‑cm experiments, improving reproducibility and accuracy of recei…