On characterization and application of oscillatory almost-cyclostationary processes. Napolitano, A. In 2017 25th European Signal Processing Conference (EUSIPCO), pages 1654-1658, Aug, 2017.
On characterization and application of oscillatory almost-cyclostationary processes [pdf]Paper  doi  abstract   bibtex   
The class of the second-order oscillatory almost-cyclostationary processes is characterized. These processes have autocorrelation function which is the superposition of amplitude- and angle-modulated complex sinewaves, where the modulating functions, referred to as evolutionary cyclic autocorrelation functions, depend on both time and lag parameter. This class of processes includes that of the almost-cyclostationary processes. The problem of statistical function measurements is addressed for the special case of amplitude-modulated time-warped almost-cyclostationary processes. These processes are shown to be a suitable model for the electrocardiogram.
@InProceedings{8081490,
  author = {A. Napolitano},
  booktitle = {2017 25th European Signal Processing Conference (EUSIPCO)},
  title = {On characterization and application of oscillatory almost-cyclostationary processes},
  year = {2017},
  pages = {1654-1658},
  abstract = {The class of the second-order oscillatory almost-cyclostationary processes is characterized. These processes have autocorrelation function which is the superposition of amplitude- and angle-modulated complex sinewaves, where the modulating functions, referred to as evolutionary cyclic autocorrelation functions, depend on both time and lag parameter. This class of processes includes that of the almost-cyclostationary processes. The problem of statistical function measurements is addressed for the special case of amplitude-modulated time-warped almost-cyclostationary processes. These processes are shown to be a suitable model for the electrocardiogram.},
  keywords = {amplitude modulation;correlation methods;electrocardiography;oscillations;signal processing;electrocardiogram model;complex sine waves superposition;angle-modulated complex sinewave;amplitude modulated sine wave;second-order oscillatory processes;oscillatory almost-cyclostationary processes;amplitude-modulated time;statistical function measurements;evolutionary cyclic autocorrelation functions;modulating functions;autocorrelation function;Correlation;Frequency modulation;Europe;Bandwidth;Spectral analysis;Oscillatory almost-cyclostationary processes;evolutionary spectral analysis;electrocardiogram},
  doi = {10.23919/EUSIPCO.2017.8081490},
  issn = {2076-1465},
  month = {Aug},
  url = {https://www.eurasip.org/proceedings/eusipco/eusipco2017/papers/1570347382.pdf},
}
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