Results 21 to 30 of about 173,505,536 (199)

Direction finding for an extended target with possibly non-symmetric spatial spectrum [PDF]

open access: yes, 2004
We consider the problem of estimating the direction of arrival (DOA) of an extended target in radar array processing. Two algorithms are proposed that do not assume that the power azimuthal distribution of the scatterers is symmetric with respect to the ...
Monakov, Andrei, Besson, Olivier
core   +1 more source

A Low-Complexity Method for Two-Dimensional Direction-of-Arrival Estimation Using an L-Shaped Array

open access: yesSensors, 2017
In this paper, a new low-complexity method for two-dimensional (2D) direction-of-arrival (DOA) estimation is proposed. Based on a cross-correlation matrix formed from the L-shaped array, the proposed algorithm obtains the automatic pairing elevation and ...
Qing Wang   +4 more
doaj   +1 more source

Application of Sparse Representation to Bartlett Spectra for Improved Direction of Arrival Estimation

open access: yesSensors, 2020
A new technique for high-resolution direction of arrival estimation is presented. The method utilizes the traditional Bartlett spectra and sparse representation to locate emitters in single and multiple emitter scenarios.
Jacob Compaleo, Inder J. Gupta
doaj   +1 more source

Direction-of-Arrival Estimation in Time-Modulated Linear Arrays Based on the MT-BCS Approach

open access: yesInternational Journal of Antennas and Propagation, 2022
This article proposes a novel approach for the estimation of the direction-of-arrival (DoA) of multiple signals impinging on time-modulated arrays (TMAs).
Qing-He Zhang   +2 more
doaj   +1 more source

Approximate maximum likelihood estimation of two closely spaced sources [PDF]

open access: yes, 2014
The performance of the majority of high resolution algorithms designed for either spectral analysis or Direction-of-Arrival (DoA) estimation drastically degrade when the amplitude sources are highly correlated or when the number of available snapshots is
Chaumette, Eric   +2 more
core   +1 more source

Improved DOA estimation using polarisation diversity : simulations using a wideband propagation model [PDF]

open access: yes, 2000
This paper investigates the performance of a number of direction-of-arrival (DOA) estimation algorithms in a wideband macrocellular channel using a dual-polarised antenna array.
Temeh, EK   +5 more
core   +1 more source

Two-Dimensional Underdetermined DOA Estimation of Quasi-Stationary Signals using Parallel Nested Array [PDF]

open access: yesRadioengineering, 2020
In this paper, a two dimensional underdetermined direction of arrival estimation (DOA) of quasi-stationary signals using a parallel nested array structure is investigated.
X. Y. Pan   +3 more
doaj  

Serial‐fed linear frequency diverse arrays for obtaining direction of arrival (DOA) of frequency modulated continuous waveform (FMCW) sources with ambiguity reduction

open access: yesInternational journal of RF and microwave computer-aided engineering, 2019
Possibility of exploiting serial‐fed linear arrays for obtaining the direction of arrival (DOA) of frequency modulated continuous waveform (FMCW) sources is discussed in this article. The angle of incident wave is assumed to be in the range, [−90°, 90°],
M. Fartookzadeh
semanticscholar   +1 more source

An APG-MUSIC Algorithm Based-on Optimized Sampling Array

open access: yesMATEC Web of Conferences, 2018
This paper proposes a novel two-dimensional direction of arrival (2D-DOA) estimation with optimized sparse sampling array, which is combined with Accelerated Proximal Gradient singular value thresholding(APG) and Multiple Signal Classification(MUSIC ...
Li Mengxia   +3 more
doaj   +1 more source

Comparative study for broadband direction of arrival estimation techniques [PDF]

open access: yes, 2012
This paper reviews and compares three different linear algebraic signal subspace techniques for broadband direction of arrival estimation --- (i) the coherent signal subspace approach, (ii) eigenanalysis of the parameterised spatial correlation matrix ...
Weiss, Stephan   +3 more
core   +3 more sources

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