The decay trend prediction model of mechanical equipment capability adopted single invisible layer feed forward network and chose the expansion speed of RBF, the network was established.
机械装备性能衰退趋势预测模型，采用单隐层前馈网络，通过径向基函数的扩展速度的选择创建网络。
Data classification and prediction is the two forms of data analysis, can be used to extract important data to describe or predict the future trend of the data model.
数据分类和预测是两种数据分析形式，可以用于提取描述重要数据类或预测未来的数据趋势模型。
Finally, a comparison of the results is made, which shows that the prediction result of the combined model based on trend extrapolation and ARMA is not only more accurate, but also more stable.
最后通过比较得出趋势外推与ARMA组合模型的预测结果不仅准确性高、而且稳定性好这一结论。
Prediction results show an upward trend, which is different from the actual situation. By improving the model we reduce the error effectively.
预测结果均呈上升趋势，这与实际情况有所出入，通过模型改进有效减少误差。
Geologist Hubert has observed the typical law of petroleum production and made accurate prediction on the developing trend of petroleum output and storage with the model.
地质学家休伯特曾提出了石油生产的典型规律，并运用该模型对未来石油产储量趋势做了较为准确的预测。
Methods The trend values were calculated and the monthly indexes were adjusted with moving average method of season prediction method, and then the model was applied.
方法用季节预测法中的移动平均比率法计算趋势值与调整月指数 ，最后应用模型。
This paper proposes the prediction method of time series based on AR model and forecasts the development trend of weighted length of fiber for hydrocyclone by this method.
以时间序列为理论基础，利用时间序列分析方法对水力旋流器的筛分性能建立了AR模型，并依据该模型对纤维重均长度变化趋势进行了预测分析。
We used Array Grey Prediction method found a new model to predict pipeline's corrosion trend and introduce three typical data processing mode.
利用“数列灰预测”建立了管道腐蚀预测的新模型，介绍了三种常用的数据处理方式。
We used Array Grey Prediction method found a new model to predict pipeline's corrosion trend and introduce three typical data processing mode.
利用“数列灰预测”建立了管道腐蚀预测的新模型，介绍了三种常用的数据处理方式。
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