Based on conclusion inducted by the Professor Wen’s experiment about how three components of locally resonant sonic crystal’s parameter (scatterer, coating layer and matrix) influence the bandgap and the two-dimensional locally resonant sonic crystal modal which is first introduced by Martin Hirsekon, we establish the model for the starting frequency of the three-dimensional first bandgap and educe the calculation formula of the frequency.
第三章分别测试并计算了基体、包覆层和散射体材料的各项参数,并将实际测出的参数代入最低禁带的起始频率的估计式中,得出了最低禁带的起始频率的计算值。
参考来源 - 局域共振声子晶体的振动模型与隔振效果研究·2,447,543篇论文数据，部分数据来源于NoteExpress
These show that vegetation dam can reduce starting drag force and starting frequency of sediment in upper reaches. And can make athletic sediment deposit.
说明植物坝可以减小泥沙的起动拖曳力，降低上游泥沙的起动频率，并能使运动的泥沙在坝上游沉积下来。
This paper induces the lowest limit of frequency for variable-frequency adjustable speed and soft starting, gets the best starting frequency for soft starting.
本文推导出了变频调速及软起动的频率最低限，发现了软起动的最佳起动频率。
A good starting point would be 512mb, then move up or down to determine optimal value, measure throughput or response times, and analyze GC logs to understand frequency and length of scavenges.
一种不错的做法是，从512 MB开始，然后逐步向上或向下，以确定最优值、测定吞吐量或响应时间，并分析gc日志，以了解进行清除操作的频率及时间。
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