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An improved signal-dependent quadratic time-frequency distribution using regional compact kernels for analysis of nonstationary multicomponent LFM signals.
Shuai Yao
Yuhan Liu
Yuxuan Jiang
Yinjia Liu
Published in:
Digit. Signal Process. (2021)
Keyphrases
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non stationary
instantaneous frequency
short time fourier transform
random fields
blind source separation
fourier analysis
computer vision
signal analysis
feature space
probabilistic model
feature extraction