obstacle diffraction loss

例句：

1. 1.The radar system was designed to detect obstacles and diffraction losses in the atmosphere.
   雷达系统被设计用来探测大气中的障碍物和衍射损失。
2. 2. The engineer used a computer simulation to calculate the obstruction diffraction loss ofthe transmission line.
   工程师使用计算机模拟来计算输电线的阻碍衍射损失。
3. 3.In the study, we found that the diffraction loss of the optical fiber is mainly caused by the bending of the fiber.
   在研究中，我们发现光纤的衍射损失主要是由于光纤的弯曲造成的。