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Figure 5
(a) MTF as a function of Nyquist frequency for 100 keV electrons. Two different threshold settings and the ideal MTF are plotted. (b) MTF as a function of Nyquist frequency for 100, 200 and 300 keV electrons. The best MTF at 100 keV is plotted, i.e. setting the threshold at 64 keV. For 200 and 300 keV electrons, the threshold is set to 10 keV.

IUCrJ
Volume 5| Part 2| March 2018| Pages 190-199
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518000945