研究了堆焊材料组成和堆焊工艺参数对光束粉末堆焊质量的影响规律。
The influence of surfacing material and processing parameters on the quality of light beam powder surfacing layer is investigated.
然后，研究了实际应用对激光光束质量的一些要求和相关的评价参数。
Then, some practical requirements for the laser beam quality and related characteristic parameters are studied.
光束质量因子随空间相干性的增大和离心参数的减小而减小。
The beam quality factor of partially coherent ChG beams decreases with increasing spatially coherence and decreasing decentered parameter.
应用推荐