Beamspace preprocessing with an improved robustness against out-of-sector sources using second-order cone programming

Beamspace preprocessing with an improved robustness against out-of-sector sources using second-order cone programming

A new approach to beamspace preprocessing with an improved robustness against out-of-sector interfering sources is developed. The beamspace matrix filter is designed based on proper tradeoffs between the in-sector (passband) source distortion and out-of-sector (stopband) source attenuation. Computat...

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Bibliographische Detailangaben
Hauptverfasser: Hassanien, A., Elkader, S.A., Gershman, A.B., Wong, K.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Array signal processing
Attenuation
Covariance matrix
Eigenvalues and eigenfunctions
Filters
Passband
Robustness
Sensor arrays
Vectors
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Zusammenfassung:A new approach to beamspace preprocessing with an improved robustness against out-of-sector interfering sources is developed. The beamspace matrix filter is designed based on proper tradeoffs between the in-sector (passband) source distortion and out-of-sector (stopband) source attenuation. Computationally efficient convex formulations for these beamspace matrix filter design problems are derived using second-order cone programming (SOCP).
DOI:10.1109/SAM.2004.1502967