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Signal to Noise Ratio Region with low signal to noise ratio 31 Sharp Reflections 2015 • Stack method • The user specifies the size of the stencil (in space and time) • Since the noise is assumed to be white its spatial average value inside the stencil is zero • Therefore the energy of the signal is the spatial some of the square of the stacked trace and the energy of the noise is the total energy minus the energy of the signal File Number
