Wikipedia shows this formula: $$ \ G(f) = \frac{H^*(f)S(f)}{ |H(f)|^2 S(f) + N(f) } $$
But how is this Wiener deconvolution formula derived and where does the squaring ($|H(f)|^2$) come from?
Wikipedia shows this formula: $$ \ G(f) = \frac{H^*(f)S(f)}{ |H(f)|^2 S(f) + N(f) } $$
But how is this Wiener deconvolution formula derived and where does the squaring ($|H(f)|^2$) come from?
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