...簇的数目；大部分基于网格的聚类算法都使用了两 个关键参数：网格粒度（grid granularity）参数6和密度阈值（density threshold）参数 MinPts。一般的聚类算法对输入参数通常十分敏感，而且参数通常很难确定。
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flux-density threshold 通量密度低限
flux density threshold [光] 光通量密度阈值 ; 阈照度
power density threshold 功率密度阈值
energy density threshold 能量密度阈值
density threshold descending 密度阈值递减
laser power density threshold 激光功率密度阈值
laser energy density threshold 激光能量密度阈值
threshold population inversion density 临界粒子数反转密度 ; 阈值粒子数反转密度
Density Pressure Threshold 密度压力阈值
Using an optimum density threshold and corresponding grid granularity can be ascertained with a set of given density thresholds.
在给定一组密度阈值的条件下，利用该方法可以确定一个最佳的密度阈值及相应的网格粒度。
参考来源 - 空间数据聚类中的网格粒度求解方法·2,447,543篇论文数据，部分数据来源于NoteExpress
The influences of the filler metal powder on the laser power density threshold value, weld formation and process stability were studied during CO_2 laser welding of aluminum alloy.
研究了填充合金粉对CO_2激光焊接功率阈值、焊缝成形和焊接过程稳定性的影响。
It ascertains the optimum grid granularity and density threshold on the basis of the situation in which dense and sparse grid is generated during the procedure of grid dynamical partitioning.
在网格动态划分过程中，根据密网格和稀疏网格的产生情况，确定最佳网格粒度与密度阈值。
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