In this paper, the cause of the side-lobe is analyzed by taking example for LFM signal.At last, two corresponding suppression methods are presented and been applied in radar systems.

• 文中主要以线性调频信号为例分析了产生这种特殊旁瓣的原因，提出了两种抑制方法，并已应用于实际雷达系统中。