py21cmsense.sensitivity.PowerSpectrum.sample_noise¶ PowerSpectrum.sample_noise(k_par: Annotated[Quantity, Unit('littleh / Mpc')], k_perp: Annotated[Quantity, Unit('littleh / Mpc')]) → Annotated[Quantity, Unit('mK2')][source]¶ Sample variance contribution at a particular k mode.