delta算子系统 delta operator systems ; delta operator formulated systems

广义Delta算子 Generalized Delta Operator

任意阶delta算子 delta operator with order n

广义Delta算子系统 Generalized Delta Operator Formulated Systems

delta算子时滞系统 delta-operator time-delay systems

Delta算子理论 Delta operator theory

Delta算子离散化 Delta operator discretization