单峰分布在误差判定中的思考
首发时间:2008-07-03
摘要:在实践中计量实测数据随机变量与标准值之间所反映出的误差服从单峰分布。基于这样的思考本文从误差可能出现的各种分布形态来说明若仅用正态分布来拟合必然影响误差的判定与分析。由于误差分布的非唯一性,引出对标准差的重新认识,以左右标准差所反映误差零分位值两边的变异指标,应用单峰分布来拟合误差分布,目的是:在提高拟合优度的前提下以接近对误差判定的合理性。
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The unimodal distribution in the error determines the ponder
Abstract:In reality between the measurement measured data random variable and the normal value reflects erroneous obedience unimodal distribution. Based on such ponder this article each kind of distributed shape which possibly appears from the error explained that if only uses the normal distribution to fit affects error\\\
Keywords: Unimodal distribution Error distribution Standard deviation Determination Ponder
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