The contribution of the atmosphere in SAR interferometry is not completely
known. Therefore, the goal of the project is to characterise the atmosphere, i.e., to
study the way it relates to interferograms. The analysis of the atmospheric parameters that have an inuence on interferometry will cause a better understanding
of the atmosphere.
One of the objectives is to determine the relationship between interferograms
and the refractivity calculated on the Earth's surface, to evaluate whether variations or changes of refractivity involve a change in the interferograms.
This work also deals with the analysis of the atmospheric distance of correlation. This distance indicates the maximum separation between two correlated
points of the atmosphere. SAR di erential interferometry uses this parameter
to extract the component of phase due to the atmosphere, so the calculation of
velocities of deformation of the land is better.