Because the DS with color spectrum influ -ences the performance of algorithm to suppress NBI, the AET algorithm based on channel estimation and CF one based on combination filter are proposed.

• 由于背景信号的技术特征将影响窄带干扰的抑制性能,因此本文提出了基于信道估计技术的AET算法和基于组合滤波器结构的CF算法。