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Träfflista för sökning "LAR1:cth ;pers:(Viberg Mats 1961);conttype:(refereed);pers:(Lundgren Astrid 1978)"

Sökning: LAR1:cth > Viberg Mats 1961 > Refereegranskat > Lundgren Astrid 1978

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  • Viberg, Mats, 1961-, et al. (författare)
  • Array Interpolation Based on Local Polynomial Approximation With Application to DOA Estimation Using Weighted MUSIC
  • 2009
  • Ingår i: Proceedings of ICASSP 2009. ; s. 2145-2148
  • Konferensbidrag (refereegranskat)abstract
    • The problem of direction-of-arrival (DOA) estimation using an array of sensors has received much attention for more than 3 decades. This is due to a rich interest from application areas such as radar, sonar and wireless communication channel characterization. However, high resolution DOA estimation requires an accurate model of the array response. This is usually achieved by measuring the response using sources at known positions (calibration). This paper considers interpolation of the calibration measurements using knowledge of a nominal response model. Standard linear interpolation is compared to an approach based on local polynomial approximation (LPA). We also derive a weighted MUSIC estimator, which is applied using error estimates from the interpolation. Both LPA interpolation and weighted MUSIC are found to improve the performance, but not uniformly in all scenarios.
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  • Resultat 1-3 av 3
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konferensbidrag (3)
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Författare/redaktör
Lanne, Maria, 1975-, (2)
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Chalmers tekniska högskola (3)
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Engelska (3)
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