variable width rectangular pulse

例句：

1. 1.The variable width rectangular pulse isused to detect the presence of a targetobject in real-time.
   可变宽度矩形脉冲用于实时检测目标物体的存在。
2. 2. Thevariable width rectangular pulse was usedto improve the accuracy of the detection system.
   可变宽度矩形脉冲被用来提高检测系统的精度。
3. 3. The variable width rectangularpulse is widely used in various applications,such as radar and sonar systems.
   可变宽度矩形脉冲在雷达和声纳系统等应用中得到了广泛应用。