2018
DOI: 10.1109/access.2018.2879386
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A Simplified DOA Estimation Method Based on Correntropy in the Presence of Impulsive Noise

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Cited by 14 publications
(13 citation statements)
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“…and: However, many signals and noises encountered in practice are decidedly non-Gaussian, for example, low-frequency atmospheric noise, underwater acoustic signals, and many types of human-made noises. An important class of impulse noise encountered in DOA estimation can be modelled by α-stable distribution [14], which is an extremely flexible modelling tool. It is pity that there exists no closed-form expression for the PDF of α-stable distribution except for Gaussian and Cauchy distributions.…”
Section: Noise Modelmentioning
confidence: 99%
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“…and: However, many signals and noises encountered in practice are decidedly non-Gaussian, for example, low-frequency atmospheric noise, underwater acoustic signals, and many types of human-made noises. An important class of impulse noise encountered in DOA estimation can be modelled by α-stable distribution [14], which is an extremely flexible modelling tool. It is pity that there exists no closed-form expression for the PDF of α-stable distribution except for Gaussian and Cauchy distributions.…”
Section: Noise Modelmentioning
confidence: 99%
“…β (β = 0 in this paper) determines the sign and degree of asymmetry about µ (µ = 0 in this paper), which is similar to the mean of Gaussian distribution. For details about the α-stable distribution, see Tian et al [14] and the references therein. As shown in Figure 3, the time-domain waveform of α-stable distribution with α = 1.0 has more impulsive outliers compared with that in Figure 1.…”
Section: Noise Modelmentioning
confidence: 99%
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“…Thus, the characteristic function of the SαS can be expressed as ϕ (t) = exp (−γ |t| α ), and its pdf could be given by f (s) = (1/2π ) e −γ |t| α dt (32) Let g = 2/π 3 +∞ −∞ e −γ |t| α dt; we can then obtain g < +∞. The derivation can be referred to in [24]. The second-order moment of the derf is thus bounded.…”
Section: The Error Function and Its Derivativementioning
confidence: 99%