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Recent Advances in Theory and Methods for Nonstationary Signal Analysis

  1. Research Article

    A Study on Conjugate Quadrature Filters

    It is very important for generating an orthonormal multiwavelet system to construct a conjugate quadrature filter (CQF). In this paper, a general method of constructing a length- ...

    Jin-Song Leng, Ting-Zhu Huang, Yan-Fei Jing and Wei Jiang

    EURASIP Journal on Advances in Signal Processing 2011 2011:231754

    Published on: 9 March 2011

  2. Research Article

    Synthesis of an Optimal Wavelet Based on Auditory Perception Criterion

    A method is proposed for synthesizing an optimal wavelet based on auditory perception criterion for dyadic filter bank implementation. The design method of this perceptually optimized wavelet is based on the c...

    Abhijit Karmakar, Arun Kumar and R. K. Patney

    EURASIP Journal on Advances in Signal Processing 2011 2011:170927

    Published on: 1 March 2011

  3. Research Article

    Selection of Nonstationary Dynamic Features for Obstructive Sleep Apnoea Detection in Children

    This paper discusses the methodology for selecting a set of relevant nonstationary features to increase the specificity of the obstructive sleep apnea detector. Dynamic features are extracted from time-evolvin...

    L. M. Sepulveda-Cano, E. Gil, P. Laguna and G. Castellanos-Dominguez

    EURASIP Journal on Advances in Signal Processing 2011 2011:538314

    Published on: 21 February 2011

  4. Research Article

    Nonstationary System Analysis Methods for Underwater Acoustic Communications

    The underwater environment can be considered a system with time-varying impulse response, causing time-dependent spectral changes to a transmitted acoustic signal. This is the result of the interaction of the ...

    Nicolas F. Josso, Jun Jason Zhang, Antonia Papandreou-Suppappola, Cornel Ioana and Tolga M. Duman

    EURASIP Journal on Advances in Signal Processing 2011 2011:807472

    Published on: 8 February 2011

  5. Research Article

    An Efficient Algorithm for Instantaneous Frequency Estimation of Nonstationary Multicomponent Signals in Low SNR

    A method for components instantaneous frequency (IF) estimation of multicomponent signals in low signal-to-noise ratio (SNR) is proposed. The method combines a new proposed modification of a blind source separ...

    Jonatan Lerga, Victor Sucic (EURASIP Member) and Boualem Boashash

    EURASIP Journal on Advances in Signal Processing 2011 2011:725189

    Published on: 20 January 2011

  6. Research Article

    Optimal Nonparametric Covariance Function Estimation for Any Family of Nonstationary Random Processes

    A covariance function estimate of a zero-mean nonstationary random process in discrete time is accomplished from one observed realization by weighting observations with a kernel function. Several kernel functi...

    Johan Sandberg (EURASIP Member) and Maria Hansson-Sandsten (EURASIP Member)

    EURASIP Journal on Advances in Signal Processing 2011 2011:140797

    Published on: 9 January 2011

  7. Research Article

    Performance of Post-Demodulator Adaptive Filters for FSK Signals in a Multipath Environment

    FSK continues to be an important component of modern communication systems, and discoveries of lower impact methods for mitigating performance degradation due to multipath propagation are needed in many applic...

    Shu-Ting Lee, Sally L. Wood, Michael J. Ready and John R. Treichler

    EURASIP Journal on Advances in Signal Processing 2010 2011:412036

    Published on: 19 December 2010

  8. Research Article

    Time-Frequency Detection of Slowly Varying Periodic Signals with Harmonics: Methods and Performance Evaluation

    We consider the problem of detecting an unknown signal from an unknown noise type. We restrict the signal type to a class of slowly varying periodic signals with harmonic components, a class which includes rea...

    John M. O'Toole (EURASIP Member) and Boualem Boashash

    EURASIP Journal on Advances in Signal Processing 2010 2011:193797

    Published on: 14 December 2010

  9. Research Article

    Short Exon Detection in DNA Sequences Based on Multifeature Spectral Analysis

    This paper presents a new technique for the detection of short exons in DNA sequences. In this method, we analyze four DNA structural properties, which include the DNA bending stiffness, disrupt energy, free e...

    Nancy Yu Song and Hong Yan

    EURASIP Journal on Advances in Signal Processing 2010 2011:780794

    Published on: 2 November 2010

  10. Research Article

    Mean-Square Performance Analysis of the Family of Selective Partial Update NLMS and Affine Projection Adaptive Filter Algorithms in Nonstationary Environment

    We present the general framework for mean-square performance analysis of the selective partial update affine projection algorithm (SPU-APA) and the family of SPU normalized least mean-squares (SPU-NLMS) adapti...

    Mohammad Shams Esfand Abadi and Fatemeh Moradiani

    EURASIP Journal on Advances in Signal Processing 2010 2011:484383

    Published on: 12 October 2010

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