Terms containing recursive digital filter

Subject	English	Chinese
telecom.	lattice recursive digital filter	网格回归数字滤波器
space	non-recursive digital filter	非递归数字滤波器
tech.	non-recursive digital filter	非循环数字滤波
space	recursive digital filter	递归数字滤波器
tech.	recursive digital filter	循环数字滤波器