The Fourier filter filters data in the frequency domain to remove unwanted noise and artifacts.
signal-processing matlab fast-fourier-transform smoothing fft preprocessing spectroscopy frequency-domain chemometrics denoising artifact-removal low-pass-filter noise-removal band-pass-filter harmonic-analysis spectral-filtering fourier-filter frequency-cutoff inverse-fft spectral-cleanup
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Updated
Aug 7, 2026 - MATLAB