基于特征选择验证方法的测量不确定度传播

M. Azpúrua, E. Paez, R. Jaúregui
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引用次数: 3

摘要

特征选择验证(FSV)是计算电磁学中用于验证评估的标准方法,它使用定量和定性指标来衡量一对数据集之间的相似性。然而,标准化的FSV依赖于启发式程序进行图形比较,而不包括对所涉及数据集的不确定性的考虑。验证结果的可靠性,以及被验证模型的可靠性,取决于用作FSV输入的数据集的不确定性,特别是考虑到与电磁兼容性测试相关的一些测量具有很大的不确定性。然而,FSV算法使得这种不确定性通过传统方法传播成为一项困难而繁琐的任务。本文介绍了蒙特卡罗方法的应用,作为一种方法来传播输入数据集的不确定性,以估计每个FSV指标的置信区间。最后给出了一个数值算例并进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Measurement uncertainty propagation through the Feature Selective Validation method
The Feature Selective Validation (FSV) is the standard method used for validation assessment in Computational Electromagnetics, and it uses both quantitative and qualitative indicators to measure de similarity between a pair of data sets. However, standardized FSV rely on a heuristic procedure for graphical comparison that does not include considerations about the uncertainty of the data sets involved. The reliability of the validation results, and therefore of the model under validation, depends on the uncertainty of the data sets used as input for the FSV, even more considering that some measurements associated to electromagnetic compatibility tests are characterized by a large uncertainty. Nonetheless, the FSV algorithm makes the propagation of such uncertainties a difficult and cumbersome task through the conventional approaches. This paper presents the application of the Monte Carlo Method as an approach to propagate the uncertainty of the input data sets in order to estimate a confidence interval for each FSV indicator. Finally, a numerical example is presented and discussed.
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