The capabilities of the pole decomposition multiple signal classification (root-MUSIC) algorithm have been enhanced by the development of a simpler technique that allows the algorithm to operate at a much lower computational cost than was previously possible. The authors develop the approach into a new algorithm pertinent to the uniform linear array (ULA). Simulations are presented and the results evaluated against classical root-MUSIC.
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Ren et al. (1997) studied this question.
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