SIGNAL MONOTONICITY A property of signal monotonicity:semi-linearity 、Comparation: a.Linear signal functions: computation and analysis is comparatively easy;do not suppress noise. b.Nonlinear signal functions: Increases a network's computational richness and facilitates noise suppression;risks computational and analytical intractability;SIGNAL MONOTONICITY • A property of signal monotonicity: semi-linearity • Comparation: a. Linear signal functions: computation and analysis is comparatively easy; do not suppress noise. b. Nonlinear signal functions: Increases a network’s computational richness and facilitates noise suppression; risks computational and analytical intractability;