Terms for subject Telecommunications containing obstacles

English	Chinese
diffracting obstacles	衍射［绕射］障碍
diffraction over obstacle	障碍衍射［绕射］
knife-edge obstacle	刃形楔形障碍物
moving obstacle	活动障碍
normalized obstacle diffraction	标准化的声障衍射
obstacle effect	声障效应 (obstruction effect)
obstacle gain	障碍增益
obstacle gain	受阻增益
reference obstacle	参考声障碍物