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direction-of-arrival estimation error

Realified L1 PCA for direction of arrival estimation: theory and algorithms

Realified L1 PCA for direction of arrival estimation: theory and algorithms

... the past few years, there have been extended docu- mented research efforts toward defining and calculating L1-norm principal components (L1-PCs) of data under various forms of L1-norm optimality, including absolute- ...

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Elephant Vocalization Direction of Arrival Estimation under Acoustic Sensor Network with Impact of Error Rectification Method

Elephant Vocalization Direction of Arrival Estimation under Acoustic Sensor Network with Impact of Error Rectification Method

... Each sensor may be programmed to wake up when sound signals are detected at some threshold level and begin collecting the sound data. The wireless sensor network then, by some way, must locate the sources moving in it. ...

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Investigations on antenna array calibration algorithms for direction-of-arrival estimation

Investigations on antenna array calibration algorithms for direction-of-arrival estimation

... In this paper we present several thoughts on the validity of the used data model and estimate the quantities of the error sources in Sect. 2. A further analysis is done on the limita- tions of known calibration ...

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Sparse covariance fitting for direction of arrival estimation

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 algo- ...

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Fast and Accurate Direction-of-Arrival Estimation for a Single Source

Fast and Accurate Direction-of-Arrival Estimation for a Single Source

... square error (RMSE) is employed as the per- formance measure and comparison with the ML estimator [6, 14] and Cram´ er-Rao lower bound (CRLB) [8] is also ...

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Review Paper on Adaptive Antenna for Direction of Arrival Estimation & Beam Forming

Review Paper on Adaptive Antenna for Direction of Arrival Estimation & Beam Forming

... DOA estimation process the two receiving antenna signals are used and the phase difference between those two signals is used to find angle of radiating ...the error signal, which is used for beam forming ...

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Optimization of array geometry for direction-of-arrival estimation using a priori information

Optimization of array geometry for direction-of-arrival estimation using a priori information

... the estimation of the direction-of-arrival (DOA) of signals impinging on a sensor ...DOA estimation performance com- pared to the standard uniform linear array (ULA) with half wavelength ...

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Phased array processing: direction of arrival estimation on reconfigurable hardware

Phased array processing: direction of arrival estimation on reconfigurable hardware

... quantization error of the elements in a snapshot is 1 2 ...an error of 1 2 LSB, results in a value containing a worst-case error of ...worst-case error by ...worst-case error of 1LSB ...

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W-L1-Sracv Algorithm for Direction-of-Arrival Estimation

W-L1-Sracv Algorithm for Direction-of-Arrival Estimation

... and the signal subspace spanned by array manifold matrix. DOAs can be effectively estimated simultaneously by searching the sparsest coefficients of the array covariance vectors. Compared with the previous works, the ...

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Improvement of direction reconstruction and arrival direction estimation at the HiSPARC experiment

Improvement of direction reconstruction and arrival direction estimation at the HiSPARC experiment

... No large adaptations were made to the neural network. By increasing the number of layers no improvements were found. Using dierent optimizers, such as Nadam [13] and Adagrad [14], resulted in similar performance, ...

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Electromagnetic Vector-Sensor Direction-of-Arrival Estimation in the Presence of Interference

Electromagnetic Vector-Sensor Direction-of-Arrival Estimation in the Presence of Interference

... Most direction finding algorithms can be categorized into the classical direction finding algo- rithms, such as the conventional beamformer and minimum-variance distortionless response, the parametric ...

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Polynomial root-MUSIC algorithm for efficient broadband direction of arrival estimation

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 that both ...

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Decoupled 2D direction of arrival estimation based on sparse signal reconstruction

Decoupled 2D direction of arrival estimation based on sparse signal reconstruction

... DOA estimation has been widely investigated, two-dimensional (2D) DOA estimation is of greater practical ...DOA estimation methods have met problems of high arithmetic complexity and pair- matching ...

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Direction of Arrival Estimation with a Novel Single Port Smart Antenna

Direction of Arrival Estimation with a Novel Single Port Smart Antenna

... wireless base stations, where the antennas are mounted, and with the database of the map of the local area, PL service could be provided at the expense of a short message period. This is applicable in cases when mobile ...

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Lightweight Multi-direction-of-arrival Estimation on a Mobile Robotic Platform

Lightweight Multi-direction-of-arrival Estimation on a Mobile Robotic Platform

... the estimation of multiple Directions-of-Arrival (multi- DOA) on a mobile robotic platform involves a greater challenge as the mobility of the service robot needs to be considered when proposing a ...DOA ...

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Direction of Arrival (DOA) Estimation for Smart Antennas in Weather Impacted Environments

Direction of Arrival (DOA) Estimation for Smart Antennas in Weather Impacted Environments

... Subspace techniques conduct characteristic decomposition of the covariance matrix for any array output data, resulting in a signal subspace orthogonal with to noise subspace corresponding to the signal components. ...

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Wideband Direction of Arrival Estimation Based on the Principal Angle Between Subspaces

Wideband Direction of Arrival Estimation Based on the Principal Angle Between Subspaces

... In this paper, we have proposed a new wideband DOA estimation algorithm based on the largest principal angle between subspaces. The proposed method adopts a new array manifold containing all the frequency without ...

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Efficient Two-Dimensional Direction-of-Arrival Estimation for a Mixture of Circular and Noncircular Sources

Efficient Two-Dimensional Direction-of-Arrival Estimation for a Mixture of Circular and Noncircular Sources

... DOA estimation algorithm for mixed circular and non-circular signals has been proposed based on a 2-D array structure consisting of two parallel ...accurate estimation in situations where the number of ...

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A Novel Nested Array Design for Direction of Arrival Estimation of Noncircular Signals

A Novel Nested Array Design for Direction of Arrival Estimation of Noncircular Signals

... Figure 5(a) shows the RMSE curves as a function of SNR, where the number of snapshots is fixed as 500. Fig. 5(b) is the RMSE results versus snapshots under the condition of SNR = 0 dB. It can be observed from Fig. 5 that ...

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Direction of Arrival Estimation using Conventional Subspace Algorithms

Direction of Arrival Estimation using Conventional Subspace Algorithms

... likelihood estimation (ML) because of its unique feature such as high resolution and robust ...spectrum estimation[1], so computation complexity is ...entropy estimation method in spectrum ...

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