Two-dimensional direction finding of coherent signals with a linear array of vector hydrophones
Sign Up to like & getrecommendations! Published in 2017 at "Multidimensional Systems and Signal Processing"
DOI: 10.1007/s11045-016-0399-y
Abstract: In this paper, we propose a parallel factor (PARAFAC) analysis based two dimensional direction finding algorithm for coherent signals using a uniformly linear array of vector hydrophones. By forming a PARAFAC model using spatial signature… read more here.
Keywords: vector hydrophones; vector; array; coherent signals ... See more keywords
Underwater wideband coherent signals DOA estimation using sparse representation and deconvolution
Sign Up to like & getrecommendations! Published in 2024 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ad338c
Abstract: The beamforming-based direction of arrival (DOA) estimation method is widely used because of its advantages of robustness, which requires a large array aperture to ensure high spatial resolution. The deconvolution beam-forming method has high-resolution DOA… read more here.
Keywords: method; coherent signals; estimation; deconvolution ... See more keywords
Direction-of-arrival estimation method for coherent signals with a small number of acoustic vector arrays based on knowledge distillation
Sign Up to like & getrecommendations! Published in 2025 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ae081a
Abstract: The estimation of multi-target direction of arrival (DOA) is an important research topic in array signal processing. Traditional algorithms typically rely on the correct representation of the signal and noise subspaces, resulting in relatively low… read more here.
Keywords: coherent signals; method coherent; coherent; estimation method ... See more keywords
Robust DOA Estimation in Satellite Systems in Presence of Coherent Signals Subject to Low SNR
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3213712
Abstract: Signal source number detection is an essential issue for the direction of arrival (DOA) estimation in satellite communication systems. The performances of conventional and deep-learning-based signal source number detection methods will deteriorate when the signal-to-noise… read more here.
Keywords: doa estimation; estimation satellite; coherent signals; doa ... See more keywords
Direction-of-Arrival Estimation of Coherent Signals via Coprime Array Interpolation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2020.2982769
Abstract: In this letter, we devise an efficient approach for estimating the directions-of-arrival (DOAs) of coherent signals using coprime arrays. Specifically, we firstly derive an augmented uniform linear array (ULA) via coprime array interpolation. Subsequently, we… read more here.
Keywords: coherent; array interpolation; coherent signals; coprime array ... See more keywords
Direction-of-Arrival Estimation of Coherent Signals for Uniform Linear Antenna Arrays With Mutual Coupling in Unknown Nonuniform Noise
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2021.3132673
Abstract: We recently proposed a direction-of-arrival (DOA) estimation method for the coexistence of uncorrelated and coherent signals, which is related to the uniform linear antenna arrays with mutual coupling (MC) in the presence of unknown nonuniform… read more here.
Keywords: nonuniform noise; antenna; estimation; direction arrival ... See more keywords