A decision support system for automated detection of sleep stages can alleviate the burden of medical professionals of manually annotating a large bulk of data, expedite sleep disorder …
This paper presents high-resolution multisensor time–frequency distributions (MTFDs) and their applications to the analysis of multichannel non-stationary signals. The approach …
This paper proposes a new performance evaluation process for time-frequency distributions (TFD) by designing a reference optimal TFD and novel accuracy and resolution measures …
X Zhu, B Li, K Yang, Z Zhang, W Li - Signal Processing, 2023 - Elsevier
The standard chirplet transform (CT) with the chirp-modulated Gaussian window provides a valuable tool for analyzing linear chirp signals. The parameters present in the window …
X Han, M Liu, S Zhang, R Zheng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Direction of arrival (DOA) estimation of underwater multipath signals has become an indispensable part of many military and civil applications in the oceanic field. However …
S Zhang, YD Zhang - IEEE Transactions on Signal Processing, 2020 - ieeexplore.ieee.org
In this paper, we develop a novel method to enable robust sparsity-based time-frequency representation of multi-component frequency modulated signals in the presence of burst …
Y Abdoush, G Pojani… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The use of linear time-frequency (TF) representa-tions as instantaneous frequency (IF) estimators arises in various fundamental disciplines, mainly thanks to their simplicity and …
This paper addresses the problem of estimating the parameters of adaptive directional time– frequency distributions (ADTFDs). ADTFDs locally optimize the direction of the smoothing …
NA Khan - Signal, Image and Video Processing, 2023 - Springer
This study proposes a novel high-resolution time–frequency distribution (TFD) that is based on the iterative application of the locally adaptive directional kernel for both mono-sensor …