一维最小误差阈值法假设了目标和背景的灰度分布服从混合正态分布。
One-dimensional minimum error thresholding method assumed that the histogram distributions of object and background are governed by a mixture Gaussian distribution.
由于混合正态分布模型是非正则的，它的参数估计及其检验都存在很多困难。
Since mixture normal distribution is the non-mixed , the estimation and test have many difficulties .
沥青混合料沥青含量抽样检测的样本检测值服从正态分布。
The inspecting value of sample for asphalt content sampling of asphalt mix is normal distribution.
该模型以发电厂商的期望收益最大为目标，采用零和二人混合对策描述竞价问题，并假设市场电价符合正态分布。
The aim of the model is maximizing its expected income. It describes the bidding problem with zero-sum and two-person mixed strategy and proposes the market price according to normal distribution.
金品位由对应于矿化阶段的两个对数正态分布总体混合而成；
Data of Au grades show mixation of two normal logarithmic distribution populations corresponding to the two mineralization stages.
沥青混合料的疲劳寿命和累积耗散能以及初始模量数据呈对数正态分布。
Asphalt mixture fatigue life, cumulative dissipated energy and initial modulus data showed a logarithmic normal distribution.
沥青混合料的疲劳寿命和累积耗散能以及初始模量数据呈对数正态分布。
Asphalt mixture fatigue life, cumulative dissipated energy and initial modulus data showed a logarithmic normal distribution.
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