notch bar是什么意思

用法例句

Considering the poor sidelobe of notch filtering method,in which target signal is masked in the sidelobes of interference,the projection algorithm(PA) and ada.

考虑到直接用凹口滤波零陷干扰时 ,脉冲压缩后副瓣迅速抬高 ,目标信号淹没在干扰的旁瓣之中 ,本文提出了抑制旁瓣干扰的投影算法和时域自适应对消方法 。

Experimental study on mechanical properties of notch bolt under lubricating states;

润滑状态下凹口螺栓力学特性试验研究