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Processing of Measurements With Different Levels of Uncertainity
Gerhátová, Ľubomíra
In geodetic practice, we often encounter the fact that at the points of the geodetic network we need other types of geodetic measurements (in terms of measurement procedures and accuracy) and it is appropriate to combine them within the processing process. The most commonly used method of least squares is simple, but within the processing process it combines the given a priori accuracy of measurements (individual measurements and their groups) together with the measurements themselves. If the a priori uncertainty of one method (or group of measurements) is significantly overestimated, resp. underestimated against another method (group of measurements), the result does not reflect reality. The method of estimation of variance components is one of the methods that shows how to deal with such a situation.

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