It doesn't happen that often, but we've all been in a situation where we need to measure something and don't have a ruler. Luckily, you probably already have a "good enough" ruler in your pocket: a ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article dives into the happens-before ...

Very often, in the test and measurement industry, a measurement is made by instrumentation, which is often subject to errors. It is difficult to estimate the true value of the measured quantity given ...

This paper proposes methodology for the estimation of questionnaire profiles that are meaningful when assessing risk of measurement error, especially in the context of mixed-mode surveys. Surveys ...

A new method uses condenser microphones and neural networks to estimate droplet radius from resonant frequency.

In a general non-destructive testing situation involving variables data, several "instruments" are used to measure the same characteristic. "Instruments" may refer to different measuring devices, or ...