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Figure 3
Filter kernel: comparison between the ideal ramp filter |ω| (dashed black) and the discrete Fourier transform of the finite and discrete impulse response of the filter R(ω) (pink) in the vicinity of the origin.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 19| Part 6| November 2012| Pages 1029-1037
https://doi.org/10.1107/S0909049512032864
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