@article{https://doi.org/10.48550/arxiv.2107.01948,
doi = {10.48550/ARXIV.2107.01948},
url = {https://arxiv.org/abs/2107.01948},
author = {Zhen,
Yicun and Chapron,
Bertrand and Memin,
Etienne and Peng,
Lin},
keywords = {Optimization and Control (math.OC),
FOS: Mathematics,
FOS: Mathematics},
title = {Eigenvalues of Autocovariance Matrix: A Practical Method to Identify the Koopman Eigenfrequencies},
publisher = {arXiv},
year = {2021},
copyright = {arXiv.org perpetual,
non-exclusive license} }