Microsoft Word - 系统建设.doc 关键词 ：聚类；自动阈值；网格；信息熵；多密度 [gap=929]Key words: clustering; automatic threshold; grid; information entropy; multi-density
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multi-density features 分层密度特征
Multi-density data set 多密度数据集
high-density multi-track recording 密集多轨记录
multi-variate probability density 多元概率密度
multi layer density 密度分层
multi-layer density interface 多层密度界面
multi-layered variable density 多层变密度
multi-modal probability density 多模态概率密度
Joint multi-target probability density 联合多目标概率分布
The result indicates the algorithm can wipe off the noise effectively and find out the multi-density cluster. The clustering result is good.
算法在人工数据集上进行了实验，结果表明该算法能有效地去除噪声，发现多密度的簇，具有较好的聚类效果。
参考来源 - 基于网格梯度的多密度聚类算法—《计算机应用研究》—2008年第11期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
This is achieved by using a unique multi beam technology, demonstrated in figure 2, which reduces the power density, minimizes the thermal load, and reduces the kerf width in the wafer.
这是采用独特的多光束技术实现的，图2显示了其工作原理，降低了功率密度，减小了热负载，缩小了刻线宽度。
While in HgCdTe with high dislocation density, the arsenic distribution is complex, exhibiting multi component exponential distribution.
而在缺陷密度比较大的碲镉汞材料中，砷的分布呈多段指数型分布，表现出更复杂的多机制扩散特性。
A low frequency multi mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elastic layers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
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