以上来源于: WordNet
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。
In parallel basis selection algorithms of sparse signal representation, there will be serious bias in amplitude estimation when frequency is not in grid.
在稀疏信号表示的并行选取字典算法中，当频率不在栅格点上时，对应的幅度估计可能会有很大的偏差。
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