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Figure 4
A comparative table of the different techniques. The parameter η is set by the nature and robustness of the cross-correlation algorithm used. In practice, d will be limited by the transverse coherence of the beam (going too far from the scattering object, no speckle will be visible) and the divergence of the beam.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 2| March 2020| Pages 284-292
https://doi.org/10.1107/S1600577520000491
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