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- W2624954710 abstract "ABSTRACTA robust time delay estimation (TDE)-based direction-finding method for multipath signals in the presence of impulsive noise is proposed in this paper. Compared to traditional algorithms, developed for Gaussian distribution, this method performs more robust in the presence of non-Gaussian noise. The robust TDE is first obtained by utilising the matched filtering in lp -space which is less sensitive to outliers. Then direction-of-arrival (DOA) is estimated by ‘steering vector fitting’ approach based on the delay estimates. An iterative approach is employed to estimate each multipath component separately and improve the estimation accuracy. The method is developed in lp -space, which minimises the lp -norm of residual fitting error vector instead of the Frobenius norm. The number of antennas required can be less than that of the sources. Simulation results show that the method outperforms several outliers-resistant algorithms both in cases of impulsive noise and Gaussian distribution noise." @default.
- W2624954710 created "2017-06-23" @default.
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- W2624954710 date "2017-06-12" @default.
- W2624954710 modified "2023-10-16" @default.
- W2624954710 title "Robust time delay estimation based direction finding in lp-space" @default.
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- W2624954710 doi "https://doi.org/10.1080/00207217.2017.1335797" @default.
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