A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Filters
Low-degree root-MUSIC algorithm for fast DOA estimation based on variable substitution technique
2019
Science China Information Sciences
Preserved Fulltext
Low-degree root-MUSIC algorithm for fast DOA estimation based on variable substitution technique. Sci China Inf Sci, 2020, 63(5): 159206, https://doi. ...
propose a new low-degree root-MUSIC algorithm, which requires only RV computations for fast DOA estimation. ...
This is because our method is based on variable substitution without approximation. ...
doi:10.1007/s11432-018-9635-0
fatcat:2xmsqby4ovagbcwulewz2p3zli
Efficient Two-Dimensional Direction Finding via Auxiliary-Variable Manifold Separation Technique for Arbitrary Array Structure
2015
Mathematical Problems in Engineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
A polynomial rooting direction of arrival (DOA) algorithm for multiple plane waves incident on an arbitrary array structure that combines the multipolynomial resultants and matrix computations is proposed ...
Firstly, a new auxiliary-variable manifold separation technique (AV-MST) is used to model the steering vector of arbitrary array structure as the product of a sampling matrix (dependent only on the array ...
Some fast direction finding estimators designed for uniform linear array, root-MUSIC, and root-WSF [1] [2] [3] [4] , for example, can then be applied to give estimates of source bearings relative to the ...
doi:10.1155/2015/740513
fatcat:vwojap5rirhkxk7xnp4ezy2mle
A new root-based direction-finding algorithm
2007
Radio Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
A popular algorithm in such situations is Root Multiple Signal Classification (Root MUSIC (RM)), wherein the estimation of the directions of arrivals (DOA) requires the computation of the roots of a (2N ...
In this paper we derive a modified root polynomial (MRP) algorithm requiring the calculation of only L roots in order to estimate the L DOA. ...
] and root-based algorithms such as Root-MUSIC [Barabell, 1983; Rao and Hari, 1989] , Estimation of Signal Parameters via Rotational Invariance Techniques (ESPRIT) [Roy and Kailath, 1989] . ...
doi:10.1029/2004rs003147
fatcat:y24lgwr6w5e7ncnojnem5ma4r4
A Fast Algorithm for 2D DOA Estimation Using an Omnidirectional Sensor Array
2017
Sensors
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Goossens and Rogier [18] proposed an efficient 2D DOA estimation algorithm based on the combination of UCA-RARE and Root-MUSIC. ...
In the presence of completely polarized electromagnetic wave, Costa [15] proposed a joint high-resolution 2D DOA and polarization estimator [16, 17] based on polynomial rooting techniques and Fast Fourier ...
Conclusions We have proposed a new search-based algorithm, called AESS, for 2D DOA estimation. ...
doi:10.3390/s17030515
pmid:28273851
pmcid:PMC5375801
fatcat:xfvflezo6vbnxj6lose3y3tmpi
One-dimensional MUSIC-type Algorithm for Spherical Microphone Arrays
2020
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
In this paper, one-dimensional MUSIC-type approach (ODMUSIC) is proposed to estimate the elevation and azimuth. ...
The mapping matrix only depends on the array configuration and can be calculated prior to DOA estimation. ...
Two-step Root-MUSIC algorithm picked the roots under the constraint of the stochastic ML function minimum and thus improved the estimation accuracy at low SNRs [13] . ...
doi:10.1109/access.2020.2972069
fatcat:dgdi467p6nb45dt2yn4ozmvu6m
Sparse frame DOA estimations via a rank-one correlation model for low SNR and limited snapshots
2016
Applied and Computational Harmonic Analysis
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
A fast and super resolution method for DOA estimations is therefore established under very low signal-to-noise ratio, and by a sparse recovery technique of null space tuning in the context of compressed ...
The algorithm is also computationally efficient, which is critical for large array systems and/or mission critical real-time applications. ...
In this article, a fast and super-resolution DOA estimation approach based on a crucial correlation operation and sparse frame representations is proposed. ...
doi:10.1016/j.acha.2016.02.002
fatcat:42fhylyn3va3hcujl34fp4ly7m
DOA Estimation Using a Greedy Block Coordinate Descent Algorithm
2012
IEEE Transactions on Signal Processing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Last, we move forward to propose a weighted form of the block selection rule based on the MUSIC prior. ...
This paper presents a novel jointly sparse signal reconstruction algorithm for the DOA estimation problem, aiming to achieve faster convergence rate and better estimation accuracy compared to existing ...
Yin of Rice University for his constructive comments. ...
doi:10.1109/tsp.2012.2218812
fatcat:2q4d3v36njehddddodnj2zgpre
DOA Estimation of Uncorrelated, Partly Correlated and Coherent Signals Using Alternating Oblique Projection
2017
Radioengineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
After theoretical analysis on the relationship between the proposed AOP-DOA and the conventional alternating projection based maximum likelihood estimator (AP-MLE), an AOP&AP-DOA algorithm, which is a ...
To estimate the DOAs of uncorrelated, partly correlated and coherent signals, a new iterative DOA estimation algorithm, named AOP-DOA, is proposed by using alternating oblique projection (AOP). ...
Alternating Oblique Projection for DOA Estimation AOP-DOA is a data-dependent, alternating least squares (LS) adaptive algorithm based on the relaxed optimization principle ("one parameter at the time" ...
doi:10.13164/re.2017.0588
fatcat:mfon2gxjajh5tesvshdk6bgxdy
A Fast DOA Estimation Algorithm Based on Polarization MUSIC
2015
Radioengineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
A fast DOA estimation algorithm developed from MUSIC, which also benefits from the processing of the signals' polarization information, is presented. ...
Compared with conventional MUSIC, the proposed algorithm has considerable advantage in aspects of precision and resolution, with a low computation complexity proportional to a conventional 2-D MUSIC. ...
Acknowledgements The authors thank the support from National Natural Science Foundation of China (No. 61171180) for the research. ...
doi:10.13164/re.2015.0214
fatcat:6tqfrs4z4vbrbhntumojj4dohq
Wideband Direction-of-Arrival Estimation With Arbitrary Array via Coherent Annihilating
2019
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
In this paper, a new wideband DOA estimation method for arbitrary array application is proposed. ...
(DOA) estimation. ...
Associate, where he was involved in developing low profile antennas for UAV applications. He has authored or coauthored more than 70 technical papers in refereed journals and conferences. ...
doi:10.1109/access.2019.2911631
fatcat:ez2wtkcv3ze33jm45i5wjhpx6e
Rapid Phase Ambiguity Elimination Methods for DOA Estimator via Hybrid Massive MIMO Receive Array
[article]
2022
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
Finally, to achieve the CRLB, a Root-MUSIC plus Max-RP-QI scheme is developed. ...
sector corresponding to the maximum output is the estimated true DOA. ...
CONCLUSIONS In this paper, based on the hybrid massive MIMO receive array structure, the three DOA estimators: Max-RP, Max-RP- Fig. 9 . ...
arXiv:2204.12991v1
fatcat:4akoxg2akne7bnimb5d4jiaihq
WAVES: weighted average of signal subspaces for robust wideband direction finding
2001
IEEE Transactions on Signal Processing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2012; you can also visit the original URL.
The file type is application/pdf.
Existing algorithms for wideband direction finding are mainly based on local approximations of the Gaussian log-likelihood around the true directions of arrival (DOAs), assuming negligible array calibration ...
Suboptimal and costly algorithms, such as classical or sequential beamforming, are required to initialize a local search that eventually furnishes DOA estimates. ...
ROOT-MUSIC [11] was used for the final DOA estimation, setting the exact number of sources.
A. ...
doi:10.1109/78.950774
fatcat:mimz5tucevapregvyfkaux5rji
Direction-of-arrival estimation in a mixture of K-distributed and Gaussian noise
2016
Signal Processing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Numerical simulations indicate that the suggested iterative DoA estimation technique comes close to the introduced bound and outperform a number of existing routines. ...
The modified Cramér-Rao bound is derived and a prediction of the actual mean-square error is presented, based on separation between external/internal-noise dominated samples. ...
From τ | A ML , the DoA can be estimated e.g., as θ = ( ) τ τ | | ⎡ ⎣ ⎤ ⎦ A MUSIC 9 AML ML where ⎡ ⎣ ⎤ ⎦ MUSIC . stands for the conventional MUSIC algorithm (either in spectral or root form) applied to ...
doi:10.1016/j.sigpro.2016.05.027
fatcat:4zho2gkr4veqhadjwqisqc2itq
An Ultra-fast DOA Estimator with Circular Array Interferometer Using Lookup Table Method
2015
Radioengineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
As an example, a field-programmable gate array (FPGA) based DOA estimator with the estimation time of 180 ns is presented, accompanied by the measured results. ...
The time-consuming phase ambiguity resolution makes the uniform circular array (UCA) interferometer not suitable for real-time direction-of-arrival (DOA) estimation. ...
The authors would like to thank the anonymous reviewers for the improvement of this paper. ...
doi:10.13164/re.2015.0850
fatcat:mbdn57djsrcrbdv4w73szzoqtq
Estimation of Interference Arrival Direction Based on a Novel Space-Time Conversion MUSIC Algorithm for GNSS Receivers
2019
Sensors
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
In the estimation of the direction of arrival (DOA) for interference signals, the direction-finding error of the multiple signal classification (MUSIC) algorithm will increase in the case of multiple interferences ...
In this paper, a space-time conversion MUSIC (STC-MUSIC) algorithm is proposed, and the concept of a focusing parameter is introduced to improve the performance of the DOA estimation. ...
Acknowledgments: The author would like to thank the editor and anonymous reviewers for their thoughtful comments and suggestions.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/s19112570
fatcat:dmmyqlrdrfc57ot7rikm4l5ygi
« Previous
Showing results 1 — 15 out of 148 results