Electrical impedance tomography (EIT) is developed to investigate the internal conductivity changes of an object through a series of boundary electrodes, and has become increasingly …
S Liu, YD Zhang, T Shan, R Tao - IEEE Transactions on Signal …, 2018 - ieeexplore.ieee.org
In this paper, we address the problem of spectrum estimation of multiple frequency-hopping (FH) signals in the presence of random missing observations. The signals are analyzed …
X Zhu, Z Zhang, Z Li, J Gao, X Huang, G Wen - Signal Processing, 2019 - Elsevier
Time-frequency (TF) analysis method is an effective tool to analyze non-stationary signals. However, how to generate a clear TF representation for strongly time-varying signals is still a …
P Bing, W Liu, Y Liu - IEEE Access, 2021 - ieeexplore.ieee.org
In this paper, we propose a novel seismic time-frequency analysis method via the time- reassigned synchrosqueezing transform (TSST), in which the time-frequency coefficients are …
S Liu, YD Zhang, T Shan - Digital Signal Processing, 2018 - Elsevier
This paper addresses the detection of weak astronomical signals that are contaminated by strong frequency-hopping (FH) interferers and suffer from missing samples. The problem is …
F Li, L Lai, S Cui - IEEE Transactions on Signal Processing, 2021 - ieeexplore.ieee.org
In this paper, we investigate the adversarial robustness of feature selection based on the regularized linear regression model, namely LASSO. In the considered model, there is a …
J He, W Chen, L Jia, T Wang - IEEE Access, 2020 - ieeexplore.ieee.org
In recent years, wideband spectrum sensing combined with sub-Nyquist sampling and compressed sensing technology in the field of cognitive radio has received widespread …
S Liu, J Jia, Y Yang - … on Imaging Systems and Techniques (IST …, 2017 - ieeexplore.ieee.org
Electrical impedance tomography (EIT) is a promising agile imaging modality that allows estimation of the electrical conductivity distribution at the interior of an object from boundary …
X Zhu, Z Zhang, H Zhang, J Gao, B Li - Circuits, Systems, and Signal …, 2020 - Springer
Ridge reconstruction (RR) method is one of the most commonly used ways for multicomponent signal reconstruction from time–frequency representations. However, this …