The new optimization approach to improve SNR in periodic signal input/output system

This paper presents a local optimal processing approach that can use in the periodic signal input/output noise enhancement phenomenon. A novel kind of locally optimization approach is established by background noise that generated from Gauss noise and bifurcation noise. It is demonstrated that the approach has its optimal output-input SNR gain at nonzero noise intensity. The paper's conclusions bring the bright application future for the nonlinear signal processing theory.