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In this paper, we first discussed basic spectral estimation concepts and algorithms, then pointed out that the conventional spectrum reconstruction algorithm is virtually the same with Blackman-Tukey (BT) algorithm in spectral estimation. Then we use two different method (Auto-Regressive parametric model and eigenvector spectral estimation method) to reconstruct light spectrum from interferogram,...
In multipath environments, cyclic MUSIC is failed to detect all incident sources. In order to de-correlate the coherent signals, spatial smoothing (SS) and forward/backward SS techniques have been investigated to resolve this situation, however, all these algorithms will reduce the number of detectable signals and cause the deficiency of array aperture. In this paper, two new approaches called virtual...
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