@article{animproveddoaestimationmethodfora,
  title = {An Improved DOA Estimation Method for a Mixture of Circular and Non-Circular Signals Based on Sparse Arrays},
  author = {Jingjing Cai and Wei Liu and Ru Zong and Yangyang Dong},
  year = {2020},
  eprint = {2003.05261},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2003.05261v2},
}