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A Bayesian approach to modelling spectrometer data chromaticity corrected using beam factors โ I. Mathematical formalism
ABSTRACT Accurately accounting for spectral structure in spectrometer data induced by instrumental chromaticity on scales relevant for detection of the 21-cm signal is among the most significant challenges in global 21-cm signal analysis. In the publicly available Experiment to Detect the Global Epoch of Reionization Signature low-band data set, this โฆ