什么叫做引用误差?

2024-11-28 19:38:02
推荐回答(2个)
回答1:

英文名称 quoted error   测量的绝对误差与仪表的满量程值之比,称为仪表的引用误差',它常以百分数表示   比较相对误差和引用误差的公式可知,引用误差是相对误差的一种特殊形式,用满量程值L代替真值xo,在使用上方便多了。然而,实践证明,在仪表测量范围内的每个示值的绝对误差△都是不同的,因此引用误差仍与仪表的具体示值J有关,使用仍不方便。为此,又引人最大引用误差的概念,它既能克服上述的不足,又更好地说明了误差的测量精度。所以常被用来确定仪表的精度等级。   在规定条件下,当被测量平稳增加或减少时,在仪表全量程内所测得各示值的绝对误差(取绝对值)的最大者与满量程值的比值之百分数,称为仪表的最大引用误差rmax。 http://baike.baidu.com/view/693071.htm

回答2:

引用误差:
是指绝对误差与测量上限(或量程)之比的百分数。
引用误差=绝对误差/测量上限×100%
无锡惠华仪表技术部

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