Modified Rao Test for Multichannel Adaptive Signal Detection

@article{Liu2016ModifiedRT,
  title={Modified Rao Test for Multichannel Adaptive Signal Detection},
  author={Jun Liu and Weijian Liu and Bo Chen and Hongwei Liu and Hongbin Li and Chengpeng Hao},
  journal={IEEE Transactions on Signal Processing},
  year={2016},
  volume={64},
  pages={714-725}
}
The problem of detecting a subspace signal is studied in colored Gaussian noise with an unknown covariance matrix. In the subspace model, the target signal belongs to a known subspace, but with unknown coordinates. We first present a new derivation of the Rao test based on the subspace model, and then propose a modified Rao test (MRT) by introducing a tunable parameter. The MRT is more general, which includes the Rao test and the generalized likelihood ratio test as special cases. Moreover… CONTINUE READING
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