Steering vector estimation

Author: dqqy

August undefined, 2024

網頁signal steering vector mismatch [19], although they prove the proposed approach equivalent to the loading sample matrix inversion (LSMI) algorithm, but they can t give the … 網頁2014年3月1日 · Robust adaptive beamforming based on interference covariance matrix reconstruction and steering vector estimation IEEE Trans. Signal Process. , 60 ( July …

Robust adaptive beamforming based on covariance matrix …

網頁Diagonal loading provides a powerful and effective way to improve the robustness of the standard Capon beamformer. Several parameter-free robust adaptive beamformers … 網頁2024年2月23日 · Based on the virtual INCM reconstruction and the virtual steering vector estimation, the weight vector of the robust adaptive transmit/receive beamforming can be obtained. Compared to the beampattern of the tested methods, the proposed transmit/receive beamforming has lower sidelobe levels and deeper nulls. css lymington accounts

DOA and steering vector estimation using a partially calibrated …

網頁21.2 Steering Vector. For each suspected target, a target steering vector must be computed. This target steering vector is formed by the cross product of the vector … 網頁2024年9月13日 · Adaptive beamforming can efficiently contract interference and noise. Due to high sensitivity of the beamformer to model mismatch, the capability of interference … 網頁2024年4月11日 · Through the more available acoustic information or the polarization information provided, vector sensor arrays outperform the scalar sensor arrays in accuracy of localization. However, the cost of a vector sensor array is higher than that of a scalar sensor array. To reduce the cost of a two-dimensional (2-D) vector sensor array, a hybrid … earl rd storage

A Robust Beamforming Algorithm Based on Covariance Matrix Reconstruction and Steering Vector Estimation …

Robust beamforming algorithm based on steering vector …

網頁2012年8月8日 · In this paper, we propose a new method for estimating the steering vector under uncertainties, which is utilized for improving the robustness of beamforming. We … 網頁Therein, mutual coupling coefficients are estimated based on the remodeled contaminated steering vector and the noise subspace. The estimated mutual coupling matrix is utilized to reconstruct the decoupled covariance matrix which in turn is used to obtain refined DOA estimates, interferer power estimates, and the desired INCM. cssl training網頁Four steering vector formu-lations are frequently used. In the noiseless case, two of them yield a correct estimation of the position, the two others yielding correct estimation of … csslxa01.hkcss.org.hk

"網頁A. Robust Steering Vector Estimation In practice, the nominal steering vector a0 is usually obtained by a DOA estimation algorithm given the array geometry. Due to uncertainties of the array, such as aforementioned sensor locations or gain/phasethe steering " - Steering vector estimation

Steering vector estimation

Robust Beamforming Based on Steering Vector and Covariance Matrix Estimation SpringerLink

網頁2024年2月23日 · Based on the virtual INCM reconstruction and the virtual steering vector estimation, the weight vector of the robust adaptive transmit/receive beamforming can … 網頁Here, the authors propose a novel robust adaptive beamforming method, which is robust to both of the covariance matrix mismatch and the steering vector estimation mismatch. Their method was based o... where stand for the row and column indexes of the elements in , respectively, and denote the power of signal and the noise, respectively, and is the …

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網頁on desired signal steering vector estimation and interference-Plus-noise covariance matrix reconstruction eISSN 2051-3305 Received on 26th February 2024 Revised 11th June 2024 Accepted on 11th June 2024 E-First on 25th September 2024 doi: 10.1049/joe 11 ... 網頁Diagonal loading provides a powerful and effective way to improve the robustness of the standard Capon beamformer. Several parameter-free robust adaptive beamformers (RAB) are considered in this paper. We reveal that the performances of them have somewhat degradation when the number of snapshots or that of sensors is large. To solve this …

網頁In this paper, a robust beamforming algorithm based on steering vector (SV) estimation and interference plus noise covariance matrix (INCM) reconstruction is proposed. First, … 網頁2024年7月1日 · Then, a new robust adaptive beamforming approach is developed based on finding a more accurate estimate of the actual steering vector than the available prior. The essence of finding such a ...

網頁where s(φ) represents the steering vector of the signal whose direction (φ) we are attempting to estimate. The noise vector n is zero-mean Gaussian with covariance σ2I. Note that, even though we are not interested in the amplitude, there are two unknown and φ … 網頁2012年7月1日 · DOI: 10.1109/TSP.2012.2194289 Corpus ID: 6131407 Robust Adaptive Beamforming Based on Interference Covariance Matrix Reconstruction and Steering Vector Estimation @article{Gu2012RobustAB, title={Robust Adaptive …

網頁2024年4月1日 · DOI: 10.1109/TAES.2024.3203954 Corpus ID: 252401414 Parameter Estimation Using a Triad of Electrically Long Dipole Despite Data Model Mismatch @article{Zhong2024ParameterEU, title={Parameter Estimation Using a Triad of Electrically Long Dipole Despite ...

網頁2012年4月9日 · Adaptive beamformers are sensitive to model mismatch, especially when the desired signal is present in training snapshots or when the training is done using data … earl resources sedar網頁2013年9月1日 · In this paper, we propose a new robust adaptive beamforming approach based on the steering vector estimation using an orthogonal interference-plus-noise subspace projection matrix. The rest of this paper is organized as follows: in Section 2, the background is given. In Section 3, the new robust adaptive beamformer is proposed. earl repair service網頁2024年4月10日 · Microstrip patch smart antenna is modelled for millimetre wave frequency application to improve the performance of antenna in terms of gain and bandwidth. In particular, beam steering antennas have become quite common in contemporary antenna propagation. Because it reduces noise, conserves energy, and improves the bandwidth … css machining