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Figure 16
(a) Comparison of Pt L3-edge absorption spectra μ(E) measured in fluorescence mode (clean reference) and transmission mode (noisy, with glitches). The transmission XAS spectrum was denoised to illustrate glitch mitigation. (b) Corresponding k2χ(k) spectra, showing high-frequency glitches which are greatly suppressed by denoising. (c) The magnitude of the Fourier-transformed EXAFS signal χ(R) demonstrates that denoising can recover peaks associated with the main coordination shells while also suppressing noise at higher radial distances. The spectrum was denoised using a Gaussian process denoiser combined with stationarity warping.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 3| May 2026| Pages 658-682
https://doi.org/10.1107/S1600577526001712
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