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. 2014 Mar 5;14(3):4384–4398. doi: 10.3390/s140304384

Table 2.

Computational complexity of the proposed method.

Spatial Coherence Direction Finding by the MUSIC Algorithm
Time 7.2 ms 38.0 ms

FFT Calculation of the covariance matrix Calculation of eigenstructure a Peak search
Percentage of each part 15.6% 6.6% 10.2% 67.6%
a

The covariance matrix in STEP-3 is a Hermitian Matrix and the method of Jacobi for the eigen-decomposition algorithm of Hermitian matrix is used in this method [27].