ρ = α ω ρ ω + ( 1 − α ω ) ρ a μ = α ω μ ω + ( 1 − α ω ) μ a \begin{array} { l } { \rho = \alpha _ { \omega } \rho _ { \omega } + \left( 1 - \alpha _ { \omega } \right) \rho _ { \mathrm { a } } } \\ { \mu = \alpha _ { \omega } \mu _ { \omega } + \left( 1 - \alpha _ { \omega } \right) \mu _ { \mathrm { a } } } \end{array} ρ=αωρω+(1−αω)ρaμ=αωμω+(1−αω)μa
