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Title: An Efficient Calculation For Indirect Measurements And A New Approach To The Theory Of Indirect Measurements
Author: S. G. Rabinovich
Source: 1996 Measurement Science Conference
Year Published: 1996
Abstract: An indirect measurement is a measurement in which the value of an unknown quantity (a measurand) is estimated using measurements of other quantities (arguments) related to the measurand by a known functional dependency. This paper addresses the basic problems inherent in indirect measurements. It demonstrates that the traditional approach to estimating a measurand is biased when the dependency between thme easurand and any relevant arguments is non-linear. In addition, the calculation of variance of this estimation of a measurand requires the calculation of a correlation coefficient. This calculation entails many well known problems. This paper describes an alternative technique: the Method of Reduction which is free from the above mentioned deficiencies.

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