• CN:11-2187/TH
  • ISSN:0577-6686

›› 1995, Vol. 31 ›› Issue (4): 31-35.

• 论文 • 上一篇    下一篇

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由测温随机过程的一个实现估算数据方差的新方法

李希靖;李文军 陈颖;黄秋华;He Qun   

  1. 中国计量学院 University o f Dayton
  • 发布日期:1995-07-01

NEW METHOD FOR ESTIMATING THE DATA VARIANCE IN ONE REALIZATION OF RANDOM TEMPERATURE MEASUREMENT PROCESS

Li Xijing;Li Wenjun;Chen Ying;Huang Qiuhua;He Qun   

  1. China Institute of Metrology University of Dayton
  • Published:1995-07-01

摘要: 利用数值模拟法得出了在测温随机过程的一次物理实现中估算原始数据方差的新公式,它比较准确地反应了随机误差内在的统计规律性,具有广阔的应用前景。

关键词: 数据方差, 随机过程, 样本, 非均匀温度场, 热成形, 性能梯度分布

Abstract: A new formula is obtained to determine the variance of a stochastic sample by means of numerical simulation. This relationship represents more accurately the inherent statistical characteristics of the random error and opens up vast vistas for the primary processing of initial data.

Key words: Data variance, Random process, Sample, hot forming, non-uniform temperature, performance gradient distribution