other · Figshare · 2024

Spectrogram of the clean signal 2.

Nattapol Aunsri (15307064), Prasara Jakkaew (17920995), Chanin Kuptametee (20135811)

Cited by 0Open access

Abstract

<div><p>Non-linear and non-stationary signals are analyzed and processed in the time-frequency (TF) domain due to interpretation simplicity. Wigner-Ville distribution (WVD) delivers a very sharp resolution of non-stationary signals in the TF domain. However, cross-terms occur between true frequency modes due to their bilinear nature. Masked WVD reduces cross-terms by multiplying the time-frequency representation (TFR) obtained from the WVD with the TFR of the same signal obtained from another method, while S-transform (ST) is a linear signal analysis method that combines the advantages of short-time Fourier transform (STFT) and wavelet transform (WT). This paper investigated WVD masking with both original and modified STs to compare their cross-term reduction results. Moreover, additional parameters are integrated into the ST to deliver the better resolution of the ST and, consequently, more satisfactory cross-term reduction. However, these parameters must be carefully optimized by expert users in their respective application fields.</p></div>

Cite this paper

APA 7

(15307064), N. A., (17920995), P. J., & (20135811), C. K. (2024). Spectrogram of the clean signal 2. Figshare. https://doi.org/10.1371/journal.pone.0310721.g007

MLA 9

(15307064), Nattapol Aunsri, et al. “Spectrogram of the clean signal 2.” Figshare, 2024, https://doi.org/10.1371/journal.pone.0310721.g007.

Chicago

(15307064), Nattapol Aunsri, Prasara Jakkaew (17920995), and Chanin Kuptametee (20135811). 2024. “Spectrogram of the clean signal 2.” Figshare. https://doi.org/10.1371/journal.pone.0310721.g007.

Harvard

(15307064), N.A., (17920995), P.J. and (20135811), C.K. (2024) ‘Spectrogram of the clean signal 2’, Figshare. Available at: https://doi.org/10.1371/journal.pone.0310721.g007.

BibTeX

@misc{153070642024spectrogram,
  title = {{Spectrogram of the clean signal 2.}},
  author = {(15307064), Nattapol Aunsri and (17920995), Prasara Jakkaew and (20135811), Chanin Kuptametee},
  journal = {Figshare},
  year = {2024},
  doi = {10.1371/journal.pone.0310721.g007}
}

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