Robuta

https://www.econstor.eu/handle/10419/64724
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nonparametric estimationperiodic sequencein theeconstorpresence
https://www.arxiv.org/abs/2503.00492
Abstract page for arXiv paper 2503.00492: Fast nonparametric spectral density estimation from irregularly sampled data
spectral density estimationfastnonparametricsampled
https://arxiv.org/html/2601.03920v1
adaptive thresholdingwaveletbasednonparametricheteroskedastic