direction-of-arrival problem
Investigations on antenna array calibration algorithms for direction-of-arrival estimation
... (1986) showed that every arbitrary antenna array can be cal- ibrated for estimating signal parameters very precisely. This means that every array impulse response for any desired re- ceiving direction has to be ...
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Direction of Arrival Estimation using Conventional Subspace Algorithms
... Currently, For DOA estimation the above methods neglects the time characteristics of the signal in evaluation. In array signal processing, due to the multipath propagation one signal may interfere with other signal and ...
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Polynomial root-MUSIC algorithm for efficient broadband direction of arrival estimation
... methodologies. Forming a more computationally efficient so- lution for the problem of broadband direction finding in the context of uniform linear arrays. Through simulation results, we have demonstrated ...
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Realified L1 PCA for direction of arrival estimation: theory and algorithms
... Although L1-PCA is not a new problem in the litera- ture (see, e.g., [36–38]), its exact optimal solution was unknown until the recent work in [48], where the authors proved that (15) is formally NP-hard and ...
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Matched steering vector searching based direction of arrival estimation using acoustic vector sensor array
... Here, we state some common assumptions. The array is an 8-element uniform linear AVS array. Element spacing d is half-wavelength. There are two source signals im- pinging on the AVS array, and their azimuths are 30 ∘ and ...
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Electromagnetic Vector-Sensor Direction-of-Arrival Estimation in the Presence of Interference
... The direction-of-arrival estimation problem is related to the localization problem where the angular-spatial parameters of one or more wavefronts (also referred to as sources) impinging upon ...
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Lightweight Multi-direction-of-arrival Estimation on a Mobile Robotic Platform
... the direction of the ...the direction of the users in a -179 ◦ – 180 ◦ range, as no assumption can be made of the location of the users in the environment, and fast enough to do so with small utterances ...
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Sparse covariance fitting for direction of arrival estimation
... SVD presented by Malioutov et al. [24]. This method is based on the application of a singular value decomposi- tion (SVD) over the received data matrix and leads to a second-order cone optimization problem. This ...
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Robust Direction of Arrival Estimation using Multiple Signal Analysis
... Antenna array design has received much attention in the last few decades. It is one of the areas of research in the wide- ranging field of signal processing, and focuses on the problem of estimating signal ...
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W-L1-Sracv Algorithm for Direction-of-Arrival Estimation
... estimation problem by exploiting sparse representation [9] has gained much ...the problem of DOA estimation, but it can only be used for single ...recovery problem in DOA estimation, however its ...
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Fast and Accurate Direction-of-Arrival Estimation for a Single Source
... Direction-of-arrival (DOA) estimation for multiple plane waves impinging on an array of sensors has attracted much attention in the literature [1–4] due to its numerous applications in radar, sonar, ...
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DIRECTION OF ARRIVAL CALIBRATION USING ITERATIVE LEARNING CONTROL
... In this paper, ILC method is introduced and is employed along with Weighted Iterative Learning Control (WILC) to solve DOA problem. Afterwards, WILC is compared with the Weighted Least Means Square (WLMS) and ...
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Improvement on EVESPA for Beamforming and Direction of Arrival Estimation
... The EVESPA algorithm was introduced by G¨onen et al. in [1] as an adapted version of VESPA to handle the case of coherent signals. Using fourth-order cumulants, this algorithm properly generates an unbiased estimation of ...
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Actuating Sensor For Determining The Direction Of Arrival Using Maximal RSSI
... Recent advances in micro-electro-mechanical systems technology, have enabled the development of small size, low-cost sensor nodes capable to communicate with each other over a short distance [1].Usually a sensor device ...
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Improvement of direction reconstruction and arrival direction estimation at the HiSPARC experiment
... The method for processing the signal described above was applied to a set of detectors. In some cases a frequency component of 200 MHz became dominant. This frequency compo- nent corresponds to a period of 5 ns, that is, ...
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A Novel Nested Array Design for Direction of Arrival Estimation of Noncircular Signals
... Recently, some DOA estimation methods about noncircular signals based on sparse arrays have been proposed to improve the DOA estimation performance. In [14], the researchers presented an ambiguity-free DOA estimation ...
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Direction of Arrival Estimation for Closely Spaced Signal
... The problem of estimating the wave number or angle of arrival of a plane wave is referred to as direction finding or DOA estimation ...researched. Direction-of-arrival (DOA) estimation ...
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Acoustic Source Localisation by Direction of Arrival Estimation and Microphone Arrays
... The technical paper referred has listed their motivation as to implementing a safe and precise method to help the soldiers at the border. The idea is completely remarkable and caters to all our required needs. This is a ...
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Decoupled 2D direction of arrival estimation based on sparse signal reconstruction
... 1D direction finding problem to estimate the first parameter α and get the information about the second parameter ...1D direction finding problems to estimate β based on the rows extracted from the ...
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Direction of Arrival Estimation with a Novel Single Port Smart Antenna
... In a microscopic area, the base station antennas are mounted below the rooftop level to confine the signal cov- erage into a small local area [29]. In this case, the base sta- tions are located in a rich scattering ...
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