Abstract:Welch's periodogram is widely used in frequency domain model validation. However, Welch's analysis results just reveals whether the time series passed the consistency test in each discrete frequency point, which is not a quantitative credibility evaluation result and may not help the evaluation expert to grade credibility level of simulation system. Based on Welch's periodogram and consistency test approach, a novel credibility quantification method using weight density function is proposed. Furthermore, the f… Show more
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