Steering vector estimation

Author: pccs

August undefined, 2024

網頁2024年8月9日 · In this paper, a novel off-grid direction-of-arrival (DOA) estimation algorithm is proposed based on steering vector approximation. The conventional multiple signal classification (MUSIC) technique estimates the DOA with a uniformly discretized grid by assuming that the true DOAs lie on the grids. In practice, this assumption is rarely … 網頁2024年1月30日 · In this paper, a novel robust design algorithm based on estimation of signal steering vector and covariance matrix is developed. The theoretical covariance matrix is first estimated via the shrinkage method. Subsequently, the desired signal steering vector is estimated based on maximizing array output power under the …

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

網頁signal steering vector estimation problem, we show that a rank-one solution can be found efﬁciently October 30, 2024 DRAFT 4 using the SDP relaxation technique. Moreover, the strong duality holds for the proposed problem, which means that a rank-one ... 網頁2024年6月25日 · Blind identification was first applied on beamforming by using blind identification to estimate the steering vector without the prior knowledge of the array manifold [12]. Based on the array structure, a blind beamforming method was proposed using estimating signal parameters via rotational invariance techniques (ESPRIT) to … linking smartphone to computer

Recursive Steering Vector Estimation and Adaptive Beamforming …

網頁2024年9月15日 · The reason for the best performance lies in that the proposed beamformer not only estimates precise steering vectors of the impinging signals but also reconstructs accurate INCM. The performance losses in the DLSMI, the eigenspace-based and the SQP beamformers mainly result from the exploitations of the SCM and the presumed DSSV. 網頁ignoring the covariance steering vector. The results show that this algorithm can give a high resolution even though the wireless system is operating under a very low Signal to Noise Ratio (SNR). 網頁2024年2月15日 · The reconstruction of the covariance matrix and the estimation of the steering vector are implemented with the generalized MUSIC algorithm. In addition, a matching Capon reconstruction method is proposed to finish the robust suppression of false targets for the problem of self-cancellation in the absence of a priori information. houlihan\\u0027s cherry hill nj

An RCB-Like Steering Vector Estimation Method Based on …

DOA Estimation and Tracking of ULAs with Mutual Coupling

網頁2013年9月1日 · SQP-RAB estimates the mismatch vector between the actual steering vector and the presumed one iteratively by solving a quadratic convex optimisation problem. When the observations are polluted by the desired signal component, output SINR of the beamformer suffers from the effect of saturation as the input SNR increases; meanwhile, … 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. linking slicers in power bi網頁2024年7月1日 · Robust adaptive beamforming based on steering vector estimation with as little as possible prior information IEEE Trans. Signal Process. , 60 ( 2012 ) , pp. 2974 - … linking smite xbox to pc

"網頁We consider the problem of estimating directions of arrival (DOAs) using an array of sensors, where some of the sensors are perfectly calibrated, while others are … " - Steering vector estimation

Steering vector estimation

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 … 網頁2024年1月1日 · Qian et al. [] can estimate the desired signal steering vector by maximising the output power of adaptive beamformer under the constraints of steering vector norm and correlation coefficient. A robust adaptive beamforming algorithm for MIMO radar based on direct data domain approach and worst-case performance optimisation is presented in [ 36 ].

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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2024年7月11日 · DOI: 10.1109/ACCESS.2024.2725450 Corpus ID: 4861320 Robust Adaptive Beamforming Using Noise Reduction Preprocessing-Based Fully Automatic Diagonal Loading and Steering Vector Estimation Three low …

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2015年7月13日 · In essence, the proposed ASV estimation technique treats the ASV as a vector lying within the intersection of two subspaces, and then estimates it using a …

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 … 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 …

網頁We present a neural network based approach to two-channel beamforming. First, single- and cross-channel spectral features are extracted to form a feature map for each utterance. A large neural network that is the concatenation of a convolution neural network (CNN), long short-term memory recurrent neural network (LSTM-RNN) and deep neural network …

網頁A novel low-complexity robust adaptive beamforming (RAB) technique is proposed in order to overcome the major drawbacks from which the recent reported RAB algorithms suffer, mainly the high computational cost and the requirement for optimization programs. The proposed algorithm estimates the array steering vector (ASV) using a closed-form … linking social capital examples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 (7) ) ( 2012 ) , pp. 3881 - 3885 View in Scopus Google Scholar linking smartsheet to access database網頁We present a neural network based approach to two-channel beamforming. First, single- and cross-channel spectral features are extracted to form a feature map for each utterance. A … linking social work網頁2024年1月30日 · In this paper, a novel robust design algorithm based on estimation of signal steering vector and covariance matrix is developed. The theoretical covariance … linking smart tv to computer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 … linking smartsheet to teams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. houlihan\u0027s columbia md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 … linking smite account