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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.

Published in:

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