This word with a technical sound describes in fact an obvious concept which should be described at different levels: sensors
These devices are translators of meteorological parameters into primary and proportional electrical signals. We obtain like this an instantaneous value which unfortunately is not usable to appreciate conditions or take decisions. From these data and with thanks to a CPU system, it is necessary to calculate statistical values (average, minimum, maximum…). These calculations are performed over a variable duration, called integration period, according to the studied topics.
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