Which error sources limit the quality of the interferogram?

Which error sources limit the quality of the interferogram and how does their
influence propagate in the interferometric processing?
In order to make quantitative statements on the quality of an interferometric product, it is necessary to analyze the total chain from data acquisition via data processing to interpretation, and identify the error sources in every step. Errors introduced
during the data acquisition will propagate into the final results, whereas specific
processing errors will only contribute to the final part of the data processing. Due
to the differences in the nature of the error sources, their effects can be very different
as well. Methods that are optimal to parameterize the statistics of every individual
step need to be developed.

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