Q factor of an open resonator is determined by the diffraction loss, reflection loss and external loss introduced by coupling as a whole.
开式谐振腔的Q值由衍射损耗，反射损耗，耦合引入的外部损耗共同决定。
The influences of the thermal lens effect on the oscillation beam radius and diffraction loss can be reduced by increasing the proportion of the end-pumping power.
提高端面抽运功率占有率，可在一定程度上减小热透镜效应对振荡光束尺寸和衍射损耗的影响。
The diffraction loss, blackness correction and reflectance correction of the radiometer are given in this paper. The measurement result is 0 19% larger than the calculated result.
本文给出了辐射计的衍射损失，黑度修正及反射率修正，实际测量结果比计算结果大0.19%。
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。
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。
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