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Numerical Linear Algebra in Signal Processing Applications

  1. The simulation of electromagnetic wave propagation in time-variant wideband multiple-input multiple-output mobile radio channels using a geometry-based channel model (GCM) is computationally expensive. Due to ...

    Authors: Florian Kaltenberger, Thomas Zemen and Christoph W. Ueberhuber
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:095281
  2. We survey the definitions and use of rank-revealing matrix decompositions in single-channel noise reduction algorithms for speech signals. Our algorithms are based on the rank-reduction paradigm and, in partic...

    Authors: Per Christian Hansen and Søren Holdt Jensen
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:092953
  3. Numerical linear algebra algorithms use the inherent elegance of matrix formulations and are usually implemented using C/C++ floating point representation. The system implementation is faced with practical con...

    Authors: Zoran Nikolić, Ha Thai Nguyen and Gene Frantz
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:087046
  4. This paper proposes a new algorithm for the direction of arrival (DOA) estimation of P radiating sources. Unlike the classical subspace-based methods, it does not resort to the eigendecomposition of the covarianc...

    Authors: Hichem Semira, Hocine Belkacemi and Sylvie Marcos
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:073871
  5. One of the difficulties in estimating optical flow is bias. Correcting the bias using the classical techniques is very difficult. The reason is that knowledge of the error statistics is required, which usually...

    Authors: Hui Ji and Cornelia Fermüller
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:053912
  6. Adaptive equalization of wireless systems operating over time-varying and frequency-selective multiple-input multiple-output (MIMO) channels is considered. A novel equalization structure is proposed, which com...

    Authors: Vassilis Kekatos, Athanasios A. Rontogiannis and Kostas Berberidis
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:045789
  7. This paper presents a method to improve the calculation of functions which specially demand a great amount of computing resources. The method is based on the choice of a weighted primitive which enables the ca...

    Authors: María Teresa Signes Pont, Juan Manuel García Chamizo, Higinio Mora Mora and Gregorio de Miguel Casado
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:045321
  8. We propose a robust adaptive algorithm for generalized eigendecomposition problems that arise in modern signal processing applications. To that extent, the generalized eigendecomposition problem is reinterpret...

    Authors: Jian Yang, Feng Yang, Hong-Sheng Xi, Wei Guo and Yanmin Sheng
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:038341
  9. The ergodic capacity of MIMO frequency-flat and -selective channels depends greatly on the eigenvalue distribution of spatial correlation matrices. Knowing the eigenstructure of correlation matrices at the tra...

    Authors: Hamid Reza Bahrami and Tho Le-Ngoc
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:029749
  10. We study numerical methods for finding the maximal symmetric positive definite solution of the nonlinear matrix equation http://static-content.springer.com/image/art%3A10.1155%2F2007%2F21850/MediaObjects/13634_2006_1903_IEq2_HTML.gif , where

    Authors: Peter Benner and Heike Faßbender
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:021850
  11. This paper proposes a new cumulant-based algorithm to jointly estimate four-dimensional (4D) source parameters of multiple near-field narrowband sources. Firstly, this approach proposes a new cross-array, and ...

    Authors: Junli Liang, Shuyuan Yang, Junying Zhang, Li Gao and Feng Zhao
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:017820
  12. This paper links the polarization-sensitive-array signal detection problem to the parallel factor (PARAFAC) model, which is an analysis tool rooted in psychometrics and chemometrics. Exploiting this link, it d...

    Authors: Xiaofei Zhang and Dazhuan Xu
    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:012025