diffraction loss 衍射损失 ; [电子] 衍射损耗 ; 绕射损耗 ; 激光中的衍射损耗
obstacle diffraction loss [电子] 障碍绕射损耗
spherical diffraction loss 球面绕射损耗
spheric diffraction loss 球面绕射损耗
mirror diffraction loss 镜面衍射损耗
To study the influence of an island on radar based on coast, we utilize simple and realistic model to calculate diffraction loss over an island in the presence of rough sea surface.
为研究粗糙海面中的岛屿对雷达波传播的影响，本文采用比较简单而又符合实际的模型，计算了电波在粗糙海面条件下，岛屿对雷达波的衍射损耗。
As their applications we have studied the effect of air index gradient on laser alignment and the additional diffraction loss of laser caused by inhomogeneous pump.
应用于空气折射率梯度对激光准直的影响和不均匀泵浦引起的激光器附加衍射损耗。
The invariable loss comes from the materials and surface processing of the system itself, such as the loss of Fresnel, ball aberration, diffraction, chromatic aberration and absorb.
固定损耗是由系统自身所用材料、表面处理决定的，包括菲涅耳损耗、球差损耗、衍射损耗、色散损耗、吸收损耗等。
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