@article{exactdecompositionofmultifrequency,
  title = {Exact Decomposition of Multifrequency Discrete Real and Complex Signals},
  author = {BaoGuo Liu},
  year = {2022},
  eprint = {2202.03722},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2202.03722v1},
}