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A Virtual Instrument for Time-Frequency Analysis of Signals With Highly Nonstationary Instantaneous Frequency
This paper presents an open-source virtual instrument for time-frequency analysis. The purpose is to show the correct practical implementation, and the performance, of a number of complex algorithmsExpand
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On the local frequency, group shift, and cross-terms in some multidimensional time-frequency distributions: a method for multidimensional time-frequency analysis
Presents an analysis of the representation of local frequency and group shift using multidimensional time-frequency distributions. In the second part of the correspondence, the authors extend theExpand
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An approach to transform domain variable step-size LMS adaptive filter
This paper introduces a new transform domain variable step-size LMS algorithm, in order to deal with highly correlated inputs. In the algorithm the step-size rule is based on the weightingExpand
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Hardware realization of the robust time–frequency distributions
A hardware realization of the L-estimate forms of robust time–frequency distributions is proposed. This hardware realization can be used for instantaneous frequency estimation for signals corruptedExpand
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On the sliding matrix function based Wiener filter for highly nonstationary two-dimensional FM signal estimation
Real-time design of the two-dimensional (2D) Wiener filter for highly nonstationary 2D signal estimation is developed. It is based on the real-time results of space/spatial-frequency (S/SF) analysis,Expand
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Adaptive Noise Cancelling with a New VS LMS Algorithm
Abstract This paper proposes an adaptive system for noise-cancelling for signals corrupted by additive white noise. The proposed system is based on the new Variable Step LMS algorithm. We have takenExpand
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Increasing convergence speed of FxLMS algorithm in white noise environment
Abstract A modification of the Filtered-x Least Mean Square (FxLMS) algorithm, aimed to reduce the influence of the secondary path and to increase the convergence speed in the white noiseExpand
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Adaptive channel equalizer with new VSS LMS algorithm
This paper introduces a new variable step-size LMS (NVSS LMS) algorithm in an adaptive channel equalizer. This variant of VSS LMS algorithm is based on the weighting coefficients bias/varianceExpand
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Real-time implementation of the optimal two-dimensional filter for highly nonstationary frequency-modulated signal estimation
Real-time implementation of the optimal filter for highly nonstationary two-dimensional (2D) signal estimation is designed. It is based on the real-time results of 2D nonstationary signal analysis,Expand
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Quantization effects in implementation of distributions from the cohen class
The paper presents an analysis of the finite register length influence on the accuracy of results obtained by the time-frequency distributions (TFDs). In order to measure quality of the obtainedExpand
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