second-order function method
Second order second-moment method
generalized upper bounding method
a coupled systems of second order differential equation
a second order perturbation solution
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
classical second-order model
commutator second order elliptic equations