The logic function classification with spectral coefficients is discussed and the definition of characteristic threshold logic function is given.

讨论了逻辑函数的谱系数分类，给出了特征阈值逻辑函数的定义。

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According to the feature of the MRA, this paper presents a noise filtering method of adaptive fuzzy threshold for wavelet classification base on multi resolution.

针对小波变换多分辨分析(mra)的特点，本文提出一种多尺度分级的自适应模糊权重中值滤波的去噪方法。

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Eutrophication degree is divided into 6 classifications, and threshold of each classification makes reference to eutrophication standard of Chinese lake and eutrophication characteristics of wetland.

把湿地水体富营养化程度划分为6个级别，其阈值参照中国湖泊富营养化评价标准和湿地富营养化的特点。

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Either way, it's clearly beyond the threshold for classification as an INES level seven event, although an order of magnitude lower than the 5.2 million TBq released from Chernobyl.

BBC: Fukushima: As bad as Chernobyl?

They could have to pay back taxes in addition to potential penalties associated with the health-care law, should the revised classification push their employee headcount over the threshold.

WSJ: Why Small Businesses Are Scared of the New Health-Care Law