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 …
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
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 …
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 …
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 …
been shown to provide higher resolution and lower sidelobes than comparable spectral …
Sparsity-based autofocus for undersampled synthetic aperture radar
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 …
have been proposed for the reconstruction of synthetic-aperture-radar images when the …
Non-parametric high-resolution SAR imaging
The development of high-resolution two-dimensional spectral estimation techniques is of
notable interest in synthetic aperture radar (SAR) imaging. Typically, data-independent …
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 …
different purposes. Examples are cooperative bistatic SAR systems with a synchronization …
STFT-like time frequency representations of nonstationary signal with arbitrary sampling schemes
Spectrograms provide an effective way of time–frequency representation (TFR). Among
these, short-time Fourier transform (STFT) based spectrograms are widely used for various …
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 …
passive multistatic synthetic aperture radar (SAR) using global navigation satellite systems …
Group iterative spectrum thresholding for super-resolution sparse spectral selection
Recently, sparsity-based algorithms are proposed for super-resolution spectrum estimation.
However, to achieve adequately high resolution in real-world signal analysis, the dictionary …
However, to achieve adequately high resolution in real-world signal analysis, the dictionary …