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Figure 9
The maximum value of the SNR as a function of sample-to-detector distance L and beam size a for PETRA IV (U18-10 m), for Nfr = 2, 5, 25 and 100 frames taken on the same sample spot.

IUCrJ
Volume 6| Part 5| September 2019| Pages 794-803
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519008273