CALIBRATIONS BY COMPARISON IN METROLOGY - A SURVEY

被引：2
作者：
BICH, W
TAVELLA, P
机构：
[1] Istituto di Metrologia G. Colonnetti, 10135 Torino
[2] Istituto Electrotecnico Nazionale Galileo Ferraris, 10135 Torino
来源：
ISA TRANSACTIONS | 1994年 / 33卷 / 04期
关键词：
CALIBRATION BY COMPARISON; MASS; TIME; LINEAR ESTIMATION; MODELING;
D O I：
10.1016/0019-0578(94)90022-1
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Comparison calibrations (CCs) are important in metrology, as usually high-precision measurements are performed by comparison to a known reference with the use of a comparator, that is, of an instrument capable of accurately measuring differences or ratios, which are small to the values of the measurand. This is, for example, the case of mechanical quantities, such as mass and volume, and of electrical quantities, such as voltage, capacity, resistance and frequency. The paper examines the mathematical aspects of CCs, with particular attention to recent developments in time and mass metrology.
引用
收藏
页码：391 / 399
页数：9
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