second order statistics ( SOS )

Cyclic second order statistics

cyclic second-order statistics

Second order second-moment method

second order statistics

second-order statistics

a coupled systems of second order differential equation

a second order perturbation solution

a second-order fluid

adjustment of second order nonlinear coefficient

advanced first order second moment AFOSM

advanced first order second moment method

advanced first-order second-moment method

algebraic second-order moment model

ameliorative first-order second-moment method

Analytical Second Order Design

anti second-order scattering

cascaded second-order nonlinear interactions

cascading second order nonlinearity