efficient direction-of-arrival estimation
Spatial aliasing for efficient direction of arrival estimation based on steering vector reconstruction
... We have proposed a new computationally efficient algo- rithm for DOA estimate. The key idea behind is to recon- struct the steering vector of a ULA as the Kronecker product of the two other steering vectors, ...
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Computationally Efficient Direction-of-Arrival Estimation Based on Partial A Priori Knowledge of Signal Sources
... It is desired to estimate the directions-of-arrival (DOAs) of incident signals from noisy data in many areas such as communication, radar, sonar, and geophysical seismology [1]. The classical subspace-based ...
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Review Paper on Adaptive Antenna for Direction of Arrival Estimation & Beam Forming
... DOA estimation using fixed antennas has many limitations because of its ...more efficient in this way to determine the angle of arrival of ...
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Beamforming for Direction of Arrival (DOA) Estimation A Survey
... several efficient convex optimization software tools are currently available, the SOCP-based method does not provide any closed-form solution and does not have simple online ...
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Sparse covariance fitting for direction of arrival estimation
... When the vector x is real, the LASSO problem (2), or its equivalent formulation (3), can be solved with stan- dard quadratic programming techniques [15]. However, these techniques are time demanding and faster meth- ods ...
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Polynomial root-MUSIC algorithm for efficient broadband direction of arrival estimation
... The Multiple Signal Classification (MUSIC) algorithm is a popular super-resolution DoA estimation technique for narrowband sources. Due to its popularity, there is a strongly developed framework surrounding the ...
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Matched steering vector searching based direction of arrival estimation using acoustic vector sensor array
... s direction-of-arrival (DOA) estimation without any bearing ...DOA estimation algorithms generally suffer from low signal- to-noise ratio (SNR) as well as snapshot ...DOA estimation ...
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An efficient joint estimation of wideband polynomial-phase signal parameters and direction-of-arrival in sensor array
... (PPS) estimation is related to the underwater monitoring of vessels and marine fauna [1-3], where large hydro- phone arrays, containing tens or hundreds of sensors, are a common tool ...the ...
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An Improved Amplitude Comparison Based Direction of Arrival Estimation
... In this paper instead of using traditional non clustering approaches we propose the use of clustering techniques to estimate the direction of arrival. Fuzzy Clustering Technique has been used. The ...
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Lightweight Multi-direction-of-arrival Estimation on a Mobile Robotic Platform
... and efficient Human-Robot Interaction ...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 ...
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Direction of Arrival Estimation using Conventional Subspace Algorithms
... spectrum estimation by suppressing the sidelobes It affords sufficient computation and increased the robustness of array structure as compared to other subspace ...and efficient method to used in real time ...
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Direction of Arrival Estimation Based on Fourth-Order Cumulant Using Propagator Method
... (DOA) estimation ranks as one of the most important problems of array signal ...developing efficient and effective algorithms for DOA estimation as evident from the volume of journal publications on ...
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Efficient Two-Dimensional Direction-of-Arrival Estimation for a Mixture of Circular and Noncircular Sources
... DOA estimation of 1-D arrays and several approaches have been proposed [29– ...for direction finding of circular and non-circular signals, ...DOA estimation performance will ...DOA estimation ...
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Direction of Arrival (DOA) Estimation for Smart Antennas in Weather Impacted Environments
... The results of Figures 5(a)–(d) show the spatial output spectrum in dB’s of the MVDR, MUSIC and the proposed A-MUSIC for different rain rates from zero to 20 mm/hr representing the following cases; no rain, widespread, ...
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Underwater Direction of Arrival Estimation using Wideband Arrays of Opportunity
... different estimation or signal processing techniques in order to improve the ac- curacy and decrease the complexity of adaptive beamforming ...the direction of arrival of an acoustic ...parameter ...
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Optimization of array geometry for direction-of-arrival estimation using a priori information
... All attempts of array geometry optimization that aim at DOA performance improvement have to take this MSE character- istic, which is based on a trade-off between SLL and beam width of the beam pattern, into account. In ...
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A Novel Nested Array Design for Direction of Arrival Estimation of Noncircular Signals
... DOA estimation of noncircular signals with increased cDOFs, diff- sum coprime array with multiperiod subarrays (DsCAMpS) is proposed in ...DOA estimation performance for noncircular ...
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Robust Direction of Arrival Estimation using Multiple Signal Analysis
... of arrival (DOA) estimation is one of the focal problems in the fields of Wireless communications, Radar, Sonar, Radio Astronomy and ...DOA estimation is to obtain the desired signals ...
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Decoupled 2D direction of arrival estimation based on sparse signal reconstruction
... (DOA) estimation has been playing a significant role in many applications such as radar and wireless communication, and it has been well studied in literature ...DOA estimation algorithms can be classified ...
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Wideband Direction of Arrival Estimation Based on the Principal Angle Between Subspaces
... Quite a lot of algorithms have been proposed to estimate the DOAs of wideband signals, among which maximum-likelihood (ML) methods and subspace methods are the most well studied. The ML estimators show excellent ...
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