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检索条件"任意字段=IEEE Sensor Array and Multichannel Signal Processing Workshop, SAME 2002"
993 条 记 录,以下是831-840 订阅
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A calibrated subband beamforming algorithm for speech enhancement
A calibrated subband beamforming algorithm for speech enhanc...
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sensor array and multichannel signal processing workshop
作者: Z. Yermeche P.M. Garcia N. Grbic I. Claesson Department of Telecommunications and Signal Processing Blekinge Institute of Technology Ronneby Sweden
The paper proposes a new calibrated adaptive frequency domain beamformer for speech enhancement. The beamformer is based on the principle of a soft constraint formed from calibration data, rather than precalculated fr... 详细信息
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A MLE approach to joint array detection and direction of arrival estimation
A MLE approach to joint array detection and direction of arr...
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sensor array and multichannel signal processing workshop
作者: R.E. Bethel K.L. Bell MITRE Corporation Reston VA USA George Mason University Fairfax VA USA
The problem of detecting the number of narrowband sources of energy and the direction of arrival (DOA) of each detected source using data received by an array of sensors is investigated. The well known difficulty of a... 详细信息
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Direction finding of wideband sources in sparse arrays
Direction finding of wideband sources in sparse arrays
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sensor array and multichannel signal processing workshop
作者: Hyoung-Chang Song Byung-woo Yoon Control and Instrument Engineering Myongji University South Korea Department of Electrical and Computer Engineering Kyungsung University busan South Korea
We consider the problem of detecting and tracking moving sources emitting wideband signals under the severe spatial aliasing condition in sparse passive arrays. We develop direction of arrival(DOA) estimation algorith... 详细信息
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A signal model adapted ESPRIT algorithm for joint estimation of spatial and temporal parameters in vibrational analysis of cylinders
A signal model adapted ESPRIT algorithm for joint estimation...
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sensor array and multichannel signal processing workshop
作者: J. Axmon M. Hansson L. Sornmo Signal Processing Group Department of Electroscience Lund University Lund Sweden
This paper deals with the joint estimation of spatial mode shapes and temporal frequencies from transient vibrations measured by a uniform circular array of sensors encircling a cross-section of a cylinder. The geomet... 详细信息
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Channel equalization in the presence of strong interference sources
Channel equalization in the presence of strong interference ...
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sensor array and multichannel signal processing workshop
作者: J. Tabrikian A. Nehorai Department of Electrical and Computer Engineering Ben-Gurion University of the Negev Beersheba Israel Department of Electrical and Computer Engineering University of Illinois Chicago IL USA
Space-time channel estimation is essential for communication systems which separate sources in the space domain in addition to time/frequency/code domains. We first develop a maximum likelihood (ML) estimator for the ... 详细信息
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Superresolution source localization through data-adaptive regularization
Superresolution source localization through data-adaptive re...
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sensor array and multichannel signal processing workshop
作者: D.M. Malioutov M. Cetin J.W.I.I.I. Fisher A.S. Willsky Laboratory for Information and Decision Systems Massachusetts Institute of Technology Cambridge MA USA
We address the task of source localization using a novel non-parametric data-adaptive approach based on regularized linear inverse problems with sparsity constraints. The class of penalty functions that we use for reg... 详细信息
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Robust adaptive beamforming for passive sonar using eigenvector/beam association and excision
Robust adaptive beamforming for passive sonar using eigenvec...
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sensor array and multichannel signal processing workshop
作者: S.M. Kogon Lincoln Laboratory MIT Lexington MA USA
A new eigenvector-based robust adaptive beamforming (ABF) algorithm is presented for use with passive sonar arrays. Robustness refers to protection against self-nulling in the presence of signal mismatch. The algorith... 详细信息
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Robust adaptive beamforming for general-rank signal models using worst-case performance optimization
Robust adaptive beamforming for general-rank signal models u...
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sensor array and multichannel signal processing workshop
作者: S. Shahbazpanahi A.B. Gershman Zhi-Quan Luo Kon Max Wong Communications Research Laboratory Department of Electrical and Computer Engineering McMaster University Hamilton ONT Canada
The performance of adaptive beamforming methods is known to degrade in the presence of even small mismatches between the actual and presumed array responses to the desired signal. We propose a new powerful approach to... 详细信息
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A robust bearing estimator based on Jacobi-Anger expansion for large angular spread source
A robust bearing estimator based on Jacobi-Anger expansion f...
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sensor array and multichannel signal processing workshop
作者: S.J. Liu Q. Wan Y.N. Peng Department of Electronic Engineering Tsinghua University Beijing China
In the estimation of the bearing of an angularly spread source, the Taylor-expansion is commonly used, which may lead to a distinct model approximation error, especially for the large spread case. In order to overcome... 详细信息
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Experimental study of the EM and SAGE algorithms with application to sonar data
Experimental study of the EM and SAGE algorithms with applic...
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sensor array and multichannel signal processing workshop
作者: Pei Jung Chung J.F. Bohme Department of Electrical and Computer Engineering Carnegie Mellon University USA Department of Electrical Engineering and Information Sciences Ruhr Universität Bochum Germany
We study the expectation maximization (EM) and space alternating generalized EM (SAGE) algorithms by processing real data measured by a towed hydrophone array. The EM and SAGE algorithms are well known numerical metho... 详细信息
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