Gridless DOA estimation and root-MUSIC for non-uniform linear arrays

M Wagner, Y Park, P Gerstoft - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
Gridless direction of arrival (DOA) estimation is addressed for a 1-D non-uniform array
(NUA) of arbitrary geometry. Currently, gridless DOA estimation is solved via convex …

Localization of multiple speakers under high reverberation using a spherical microphone array and the direct-path dominance test

O Nadiri, B Rafaely - IEEE/ACM Transactions on Audio, Speech …, 2014 - ieeexplore.ieee.org
One of the major challenges encountered when localizing multiple speakers in real world
environments is the need to overcome the effect of multipath distortion due to room …

-MUSIC: Robust Direction-of-Arrival Estimator for Impulsive Noise Environments

WJ Zeng, HC So, L Huang - IEEE Transactions on Signal …, 2013 - ieeexplore.ieee.org
A family of algorithms, named ℓ p-MUSIC, for direction-of-arrival (DOA) estimation in
impulsive noise is proposed. The ℓ p-MUSIC estimator adopts the ℓ p-norm (1≤ p 2) of the …

A DOA estimation algorithm based on eigenvalues ranking problem

F Chen, D Yang, S Mo - IEEE Transactions on Instrumentation …, 2023 - ieeexplore.ieee.org
Although traditional subspace direction of arrival (DOA) algorithms enable super-resolution,
the algorithm performance declines sharply when the number of sources is incorrectly …

Reduced-complexity super-resolution DOA estimation with unknown number of sources

VV Reddy, M Mubeen, BP Ng - IEEE Signal Processing Letters, 2014 - ieeexplore.ieee.org
When the number of sources is inaccurately estimated, it is well-known that the conventional
subspace-based super-resolution direction-of-arrival (DOA) estimation techniques provide …

Efficient wideband DOA estimation through function evaluation techniques

J Selva - IEEE Transactions on Signal Processing, 2018 - ieeexplore.ieee.org
This paper presents an efficient evaluation method for the functions involved in the
computation of direction-of-arrival (DOA) estimators. The method is a combination of the …

Unambiguous broadband direction of arrival estimation based on improved extended frequency-difference method

X Wang, H Sun, L Zhang, C Dong, L Guo - The Journal of the …, 2022 - pubs.aip.org
In this paper, we consider the problem of bearing ambiguity in the direction of arrival (DOA)
estimation due to spatial aliasing when the minimum wavelength of the processing …

Unambiguous speech DOA estimation under spatial aliasing conditions

VV Reddy, AWH Khong, BP Ng - IEEE/ACM Transactions on …, 2014 - ieeexplore.ieee.org
With the bandwidth of speech signals extending over several octaves, the spatial Nyquist
criterion constrains the microphone array design. Violating this criterion by increasing …

Capon-like method for direction of arrival estimation Using acoustics vector sensor

F Chen, D Yang, Y Zhang, S Li, S Mo - Applied Acoustics, 2022 - Elsevier
Acoustic vector sensor (AVS) is a kind of sensor widely used in underwater detection. This
study found that due to inconsistent received noise power, the acoustic vector sensor …

Wideband DOA estimation based on incoherent signal subspace method

Z Ahmad, Y Song, Q Du - … journal for computation and mathematics in …, 2018 - emerald.com
Purpose Direction-of-arrival (DOA) estimation for wideband sources has attracted a growing
interest in the recent decade because wideband sources are incorporated in many real …