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In this chapter the processing of step M_OVS is described. This step can be run optionally to oversample the cropped data, and is done after M_CROP (and optinally after M_SIMAMP and M_TIMING).

Range oversampling has been implemented by Raffaele Nutricato, who uses an oversampling factor of 4 in range, for advanced processing in the multi-temporal analysis.

For PS type processing, factor two in both directions seems reasonable. This avoid aliasing in the spectrum of the interferogram, which implies you can interpolate correctly in the interferogram.


Leijen 2009-04-14