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An H/sup /spl infin// approach to mitigate the effects of array uncertainties on the MUSIC algorithm

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2 Author(s)
Ratnarajah, T. ; Dept. of Electr. & Electron. Eng., Imperial Coll. of Sci., Technol. & Med., London, UK ; Manikas, A.

In this letter, a novel robust technique is proposed to mitigate the degrading effects of finite sampling and imprecise modeling on the performance of the multiple signal classification (MUSIC) algorithm, Initially, a new array-signal state space model is developed, which is valid for any array geometry. Based on this model, formulated in an H/sup /spl infin// framework, a new robust direction-finding approach has been proposed. This theoretical framework is supported by simulation examples that demonstrate the robustness of the new technique to the presence of array uncertainties and signal correlation.

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Signal Processing Letters, IEEE  (Volume:5 ,  Issue: 7 )