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Every article on Frontiers is peer reviewed, permanently archived and free to read.

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Original Research
Published 14 September 2026
Computation of the Fourier transform for a continuous integrable function via NFFT
Daniel Potts · Manfred Tasche
Frontiers in Applied Mathematics and Statistics
doi 10.3389/fams.2026.1915887
Original Research
Published 23 June 2026
Classification of infrasonic signals based on time-frequency representation
Hao Yin · Yu Lu · Yunfen Chang · Kai Zhang · Yunhui Wu · Fan Yang · Xuexu Li · Xinliang Pang · Peng Li
Frontiers in Signal Processing
doi 10.3389/frsip.2026.1844194