...界》(月刊) 2006年第7期 摘要:上市公司以"一股独大","股权分置","同股不同权"等为特征股权集中否考虑统计噪声(statistical noise),DEA不考虑白 噪声(white noise)问题,将决策单元偏离效率边界 的情形全部归为无效率(inefficiency),而 ...
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最后为了降低曲线的统计噪声，给出了一种简单适用的自适应滤波技术。
A simple and effective adaptive filter is used to decrease statistic noise of the curve.
第二个是，这种通常的统计噪声来源于你试图估量一个巨大的数字就像通过两种方法得到的美国就业人数。
The second is that this is the usual statistical noise you get from trying to measure a huge number like the number of employed Americans through two different methods.
本文介绍了一种实际散斑模式的数学模型和噪声统计模型，并提出了一种针对这种模型的自适应次优滤波方法。
A statistical noise model and a mathematical model for real speckle pattern are presented, and then, in view of the models, a new adaptive suboptimal image filtering approach is proposed.
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