Resolution enhancement for large-scale real beam mapping based on adaptive low-rank approximation

Y Zhang, J Luo, Y Zhang, Y Huang… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
Recently, a variety of super-resolution (SR) methods have been devoted to enhancing the
angular resolution of real beam mapping (RBM) imagery in modern microwave remote …

Efficient joint DOA and TOA estimation for indoor positioning with 5G picocell base stations

M Pan, P Liu, S Liu, W Qi, Y Huang… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The ubiquity, large bandwidth, and spatial diversity of the fifth-generation (5G) cellular signal
render it a promising candidate for accurate positioning in indoor environments where the …

Newtonized orthogonal matching pursuit: Frequency estimation over the continuum

B Mamandipoor, D Ramasamy… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
We propose a fast sequential algorithm for the fundamental problem of estimating
frequencies and amplitudes of a noisy mixture of sinusoids. The algorithm is a natural …

Fast missing-data IAA with application to notched spectrum SAR

J Karlsson, W Rowe, L Xu… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Recently, the spectral estimation method known as the iterative adaptive approach (IAA) has
been shown to provide higher resolution and lower sidelobes than comparable spectral …

Sparsity-based autofocus for undersampled synthetic aperture radar

S Kelly, M Yaghoobi, M Davies - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Motivated by the field of compressed sensing and sparse recovery, nonlinear algorithms
have been proposed for the reconstruction of synthetic-aperture-radar images when the …

Non-parametric high-resolution SAR imaging

GO Glentis, K Zhao, A Jakobsson… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
The development of high-resolution two-dimensional spectral estimation techniques is of
notable interest in synthetic aperture radar (SAR) imaging. Typically, data-independent …

Reconstruction of coherent pairs of synthetic aperture radar data acquired in interrupted mode

M Pinheiro, M Rodriguez-Cassola… - … on Geoscience and …, 2014 - ieeexplore.ieee.org
A number of synthetic aperture radar (SAR) systems might work in interrupted operation for
different purposes. Examples are cooperative bistatic SAR systems with a synchronization …

STFT-like time frequency representations of nonstationary signal with arbitrary sampling schemes

S Yu, X You, W Ou, X Jiang, K Zhao, Z Zhu, Y Mou… - Neurocomputing, 2016 - Elsevier
Spectrograms provide an effective way of time–frequency representation (TFR). Among
these, short-time Fourier transform (STFT) based spectrograms are widely used for various …

Passive coherent multistatic SAR using spaceborne illuminators

U Nithirochananont, M Antoniou… - IET Radar, Sonar & …, 2020 - Wiley Online Library
This study shows the methodology of experimentation and experimental results on coherent
passive multistatic synthetic aperture radar (SAR) using global navigation satellite systems …

Group iterative spectrum thresholding for super-resolution sparse spectral selection

Y She, J Wang, H Li, D Wu - IEEE Transactions on signal …, 2013 - ieeexplore.ieee.org
Recently, sparsity-based algorithms are proposed for super-resolution spectrum estimation.
However, to achieve adequately high resolution in real-world signal analysis, the dictionary …