摘要: In this paper, we introduce new technique for localization of narrowband signals. We propose two versions the propagator method. Using its algebraic properties, cross-spectral matrix (CSM) is replaced by upper triangular (UTM) obtained from LU or QR factorization CSM. The matrices are partitioned to estimate propagator. and Householder algorithms need N3/3 2N3/3 floating point operations, respectively. can reduce complexity when compared eigen subspace method such as MUSIC algorithm requires N3. Simulation results presented verify effectiveness proposed methods.
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