1D projection of the power spectrum for one simulation. The H_I power spectrum is divided by an envelop curve P(k)_ref corresponding to the power spectrum without baryonic oscillations. The dots represents one simulation for a “packed” array of dishes with a system temperature, T_sys = 50 K, an observation time, T_obs =  1 year, a solid angle of 1πsr, an average redshift, z = 1.5 and a redshift depth, Δz = 0.5. The solid line is the result of the fit to the data.