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A Computationally Efficient MUSIC Algorithm with an Enhanced DOA Estimation Performance for a Crossed-Dipole Array. [PDF]

Sensors (Basel)
Nan H, Ma X, Han Y, Sheng W.
europepmc   +1 more source

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Spatial-spectrum estimation in a location sector

IEEE Transactions on Acoustics, Speech, and Signal Processing, 1990
Multiple narrowband source localization using arbitrarily configured arrays and spatial-spectrum estimation is considered. A new eigenspace-based approach which uses projections onto a particular vector or vector set in the estimated noise-only subspace is described.
K.M. Buckley, X.L. Xu
exaly   +4 more sources

Broad-band signal-subspace spatial-spectrum (BASS-ALE) estimation

IEEE Transactions on Acoustics, Speech, and Signal Processing, 1988
An approach to spatial-spectrum estimation of broadband sources is described. The approach, termed broadband signal-subspace spatial spectrum (BASS-ALE) estimation, is based on the eigenstructure of a broadband spatial/temporal covariance matrix and is justified by identifying the low-rank character of spatial/temporal observations of broadband sources.
K.M. Buckley, L.J. Griffiths
openaire   +3 more sources

A new approach to array geometry for improved spatial spectrum estimation

ICASSP '85. IEEE International Conference on Acoustics, Speech, and Signal Processing, 1985
In this paper, we address the problem of element placement in a linear aperiodic array for use in spatial spectrum estimation. By making use of a theorem by Caratheodory, it is shown that, for a given number of elements, there exists a distribution of element positions which, for uncorreleated sources, results in superior spatial spectrum estimators ...
S.U. Pillai, Y. Bar-Ness, F. Haber
openaire   +3 more sources