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Improvement in the Definition of ODM for FSV

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5 Author(s)
Gang Zhang ; Harbin Institute of Technology, Harbin, China ; Alistair P. Duffy ; Hugh Sasse ; Lixin Wang
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It has been found that the feature-selective validation (FSV) method may demonstrate inconsistencies in the results when applied to the comparison of zero-crossing datasets. This type of data is typical of time-domain-based electromagnetic compatibility validation. This paper investigates the source of this inconsistency and proposes a solution. The reason was investigated using a set of typical transient data, which was related to the derivation of the formulas of FSV. It is demonstrated that the problem can be alleviated by enhancing the definition of the offset difference measure. The resulting enhanced performance of FSV is assessed by comparing the results with visual assessment. It is demonstrated that the improvement increases the agreement between FSV prediction and visual assessment. Meanwhile, this modification has a very limited effect on the comparison of other data structures which do not cross the axis.

Published in:

IEEE Transactions on Electromagnetic Compatibility  (Volume:55 ,  Issue: 4 )