提出了采用时间序列分析法进行机床热误差建模的基本原理及方法,及其在数控机床热误差补偿建模中的应用。
The basic principle and method of time series analysis and its application in thermal error modeling on NC machine tools were presented.
介绍了自回归时间序列分析法的建模预报原理,并给出了船舶纵摇运动预报应用实例。
This article mainly introduces the principle of the prediction for auto regression modeling and recommends the AR arithmetic of prediction for ship pitching motion in detail.
分析了传统时间序列分析法建立ARMA模型的不足,提出了一种利用模型阶数判断准则和长自回归法建模的新方法。
The disadvantage of establishing ARMA model with traditional time series analysis is analyzed; a new model building method based on judgment rules and long autoregression is put forward.
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