Výsledky vyhledávání - "Sensor array processing"

Sequential maximum-likelihood estimation of wideband polynomial-phase signals on sensor array Autor Debre, Kaleb, Fei, Tai, Pesavento, Marius

“…This paper presents a novel sequential estimator for the direction-of-arrival and polynomial coefficients of wideband polynomial-phase signals impinging on a…”
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Self-Calibration of Acoustic Scalar and Vector Sensor Arrays Autor Ramamohan, Krishnaprasad Nambur, Chepuri, Sundeep Prabhakar, Comesana, Daniel Fernandez, Leus, Geert

“…In this work, we consider the self-calibration problem of joint calibration and direction-of-arrival (DOA) estimation using acoustic sensor arrays. Unlike many…”
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Subspace Methods for Joint Sparse Recovery Autor Kiryung Lee, Bresler, Y., Junge, M.

“…We propose robust and efficient algorithms for the joint sparse recovery problem in compressed sensing, which simultaneously recover the supports of jointly…”
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Structured autocorrelation matrix estimation for coprime arrays Autor Chachlakis, Dimitris G., Markopoulos, Panos P.

“…•Structure properties of the nominal coarray’s autocorrelation matrix are studied.•A novel structured coarray autocorrelation matrix estimate is…”
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A sparse signal reconstruction perspective for source localization with sensor arrays Autor Malioutov, D., Cetin, M., Willsky, A.S.

“…We present a source localization method based on a sparse representation of sensor measurements with an overcomplete basis composed of samples from the array…”
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Effect of Approximate Planar Wavefront on Far-Field Direction Finding Autor He, Jin, Shu, Ting

“…Existing sensor array direction-finding algorithms in the open literature simplify the far-field source wavefront as exactly planar in order to facilitate the…”
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Blind Gain and Phase Calibration via Sparse Spectral Methods Autor Li, Yanjun, Lee, Kiryung, Bresler, Yoram

“…Blind gain and phase calibration (BGPC) is a bilinear inverse problem involving the determination of unknown gains and phases of the sensing system, and the…”
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New Approaches to Direction-of-Arrival Estimation With Sensor Arrays in Unknown Nonuniform Noise Autor Liao, Bin, Huang, Lei, Guo, Chongtao, So, Hing Cheung

“…It is known that classical subspace-based direction-of-arrival (DOA) estimation algorithms are not straightforwardly applicable to scenarios with unknown…”
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Identifiability in Bilinear Inverse Problems With Applications to Subspace or Sparsity-Constrained Blind Gain and Phase Calibration Autor Yanjun Li, Kiryung Lee, Bresler, Yoram

“…Bilinear inverse problems (BIPs), the resolution of two vectors given their image under a bilinear mapping, arise in many applications. Without further…”
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Optimal Sample Complexity for Blind Gain and Phase Calibration Autor Yanjun Li, Kiryung Lee, Bresler, Yoram

“…Blind gain and phase calibration (BGPC) is a structured bilinear inverse problem, which arises in many applications, including inverse rendering in…”
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Adaptive filtering algorithm for direction-of-arrival (DOA) estimation with small snapshots Autor Liu, Beiyi, Gui, Guan, Matsushita, Shin-ya, Xu, Li

“…The direction-of-arrival (DOA) estimation problem with a few noisy snapshots can be formulated as a problem of finding a joint sparse representation of…”
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Asymptotically Optimal Blind Calibration of Uniform Linear Sensor Arrays for Narrowband Gaussian Signals Autor Weiss, Amir, Yeredor, Arie

“…An asymptotically optimal blind calibration scheme of uniform linear arrays for narrowband Gaussian signals is proposed. Rather than taking the direct Maximum…”
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Underdetermined DOA Estimation Using MVDR-Weighted LASSO Autor Salama, Amgad, Ahmad, M., Swamy, M.

“…The direction of arrival (DOA) estimation problem is formulated in a compressive sensing (CS) framework, and an extended array aperture is presented to…”
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Subspace-based interference removal methods for a multichannel biomagnetic sensor array Autor Sekihara, Kensuke, Nagarajan, Srikantan S

“…In biomagnetic signal processing, the theory of the signal subspace has been applied to removing interfering magnetic fields, and a representative algorithm is…”
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Stochastic Maximum-Likelihood DOA Estimation in the Presence of Unknown Nonuniform Noise Autor Chiao En Chen, Lorenzelli, F., Hudson, R.E., Kung Yao

“…This correspondence investigates the direction-of-arrival (DOA) estimation of multiple narrowband sources in the presence of nonuniform white noise with an…”
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A CANDECOMP/PARAFAC Perspective on Uniqueness of DOA Estimation Using a Vector Sensor Array Autor Xijing Guo, Miron, S, Brie, D, Shihua Zhu, Xuewen Liao

“…We address the uniqueness problem in estimating the directions-of-arrival (DOAs) of multiple narrowband and fully polarized signals impinging on a passive…”
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Bearing and range estimation with an exact source-sensor spatial model Autor He, Jin, Li, Linna, Shu, Ting

“…In sensor array processing literature, near-field bearing and range estimation algorithms generally use spherical wavefront to model only array sensors’ phase…”
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MUSIC Algorithm for Vector-Sensors Array Using Biquaternions Autor Le Bihan, N., Miron, S., Mars, J.I.

“…In this paper, we use a biquaternion formalism to model vector-sensor signals carrying polarization information. This allows a concise and elegant way of…”
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Maximum-likelihood direction-of-arrival estimation in the presence of unknown nonuniform noise Autor Pesavento, M., Gershman, A.B.

“…We consider the problem of estimating directions of arrival (DOAs) of multiple sources observed on the background of nonuniform white noise with an arbitrary…”
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A new subspace identification algorithm for high-resolution DOA estimation Autor McCloud, M.L., Scharf, L.L.

“…In this paper, we propose a new direction of arrival (DOA) estimator for sensor-array processing. The estimator is based on a linear algebraic connection…”
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