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- W4310238910 abstract "To reduce the adverse impacts of the unknown colored noise on the performance degradation of the direction-of-arrival (DOA) estimation, we propose a new gridless DOA estimation method based on fourth-order cumulant (FOC)in this letter. We first introduce the non-redundancy single measurement vector (SMV) through FOC, which is capable of suppressing the Gaussian colored noise. Next, we analyze the distribution of the estimation error and design an estimation error tolerance scheme for it. We then combine the atomic norm minimization of the non-redundancy SMV with the above constraint scheme. This combination poses the stability of the sparsest solution. Finally, the DOA estimation is retrieved through rotational invariance techniques. Moreover, this method extends the gridless DOA estimation to the sparse linear array. Numerical simulations validate the effectiveness of the proposed method." @default.
- W4310238910 created "2022-11-30" @default.
- W4310238910 creator A5087500855 @default.
- W4310238910 date "2021-12-27" @default.
- W4310238910 modified "2023-09-26" @default.
- W4310238910 title "A Gridless Fourth-order Cumulant-Based DOA Estimation Method under Unknown Colored Noise" @default.
- W4310238910 doi "https://doi.org/10.48550/arxiv.2112.13948" @default.
- W4310238910 hasPublicationYear "2021" @default.
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