@article{asimpleandrobustmethodfornoisevariance,
  title = {A simple and robust method for noise variance estimation for time-varying signals},
  author = {Qin Li and Junchan Zhao},
  year = {2021},
  eprint = {2104.03378},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2104.03378v1},
}