heteroscedastic中文什么意思

adj. 异方差的

• heteroscedastic disturbance:    异方差性扰动
• heteroscedastic model:    异方差性模型
• heteroscedastic variances:    非齐性方差

例句与用法

1. the model which has such kind of property is referred to as heteroscedastic regression model
   扰动项具有异方差性的模型称为异方差模型。
2. (3 ) a real-time speaker identification system that introduces acoustic classification information into a heteroscedastic pnn model is proposed
   (3)提出了一种基于声学分类的并行异方差pnn的实时说话人辨认系统。
3. secondly, the paper proposes probabilistic neural networks ( pnn ) methods of speaker identification, and thoroughly researches the models, training algorithms, real-time fabric, noise robustness and network structure of pnn . ( 1 ) the heteroscedastic pnn model with training algorithms that is a mixture of gaussian basis functions having different variances is considered
   其次，在对说话人辨认分类器的特性进行深入分析的基础上，本文提出了概率神经网络说话人辨认方法，并就概率神经网络的模型、训练算法、实时性、噪声鲁棒性、网络结构改进等方面进行了深入研究。