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Works (35)
Updated: April 10th, 2024 05:01
2023 journal article
Modeling the Earth's Ionosphere by a Phase Screen for the Analysis of Transionospheric SAR Imaging
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 62.
author keywords: Ionosphere; phase correction; phase screen; synthetic aperture radar (SAR)
Sources: Web Of Science, NC State University Libraries
Added: January 16, 2024
2023 journal article
Transionospheric Autofocus for Synthetic Aperture Radar
SIAM JOURNAL ON IMAGING SCIENCES, 16(4), 2144–2174.
author keywords: synthetic aperture radar; ionosphere; autofocus; optimization
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: February 26, 2024
2023 article
Transionospheric Autofocus for Synthetic Aperture Radar
2023 INTERNATIONAL CONFERENCE ON ELECTROMAGNETICS IN ADVANCED APPLICATIONS, ICEAA, pp. 24–24.
Sources: Web Of Science, NC State University Libraries
Added: April 8, 2024
2023 journal article
Vertical autofocus for the phase screen in a turbulent ionosphere
INVERSE PROBLEMS, 39(4).
author keywords: spaceborne synthetic aperture radar; coherent interferometric (CINT) imaging; phase screen elevation
open access via iopscience.iop.org (publisher PDF)
Sources: Web Of Science, NC State University Libraries
Added: March 27, 2023
2022 journal article
Polarimetric radar interferometry in the presence of differential Faraday rotation
INVERSE PROBLEMS, 38(4).
author keywords: synthetic aperture radar; ionosphere; differential Faraday rotation; polarimetric radar interferometry
Sources: Web Of Science, NC State University Libraries
Added: March 28, 2022
2021 article
A MATHEMATICAL PERSPECTIVE ON RADAR INTERFEROMETRY
Gilman, M., & Tsynkov, S. (2021, July). INVERSE PROBLEMS AND IMAGING, Vol. 7.
author keywords: Inverse scattering; synthetic aperture radar (SAR); interferogram; phase difference; height retrieval; imaging operator; point scatterer; extended scatterer; coherence
Sources: Web Of Science, NC State University Libraries
Added: November 23, 2021
2020 journal article
Deep Learning Approach to the Detection of Scattering Delay in Radar Images
JOURNAL OF STATISTICAL THEORY AND PRACTICE, 15(1).
author keywords: Radar imaging; Dispersive targets; Classification; Convolutional neural network
TL;DR:
A convolutional neural network is applied to the problem of discrimination between the instantaneous and delayed targets in synthetic aperture radar images, and a trained neural network demonstrates the discrimination quality commensurate with that of the benchmark maximum likelihood-based classifier.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: January 4, 2021
2020 journal article
Divergence Measures and Detection Performance for Dispersive Targets in SAR
RADIO SCIENCE, 56(1).
author keywords: synthetic aperture radar; dispersive target; speckle; misclassification frequency; Hellinger distance
TL;DR:
A linear relation is established between the misclassification rate and the Hellinger distance for a certain class of simple target models and this relation allows us to make predictions of the error rate without performing the Monte Carlo simulations.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: February 22, 2021
2020 journal article
STATISTICAL CHARACTERIZATION OF SCATTERING DELAY IN SYNTHETIC APERTURE RADAR IMAGING
INVERSE PROBLEMS AND IMAGING, 14(3), 511–533.
author keywords: SAR imaging; scattering delay; speckle; confidence level; Monte-Carlo
TL;DR:
A maximum likelihood based approach for discriminating between the instantaneous and delayed targets in SAR images that takes into account the difference in thresholds for different target contrasts without making any assumptions about the statistics of those contrasts.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
10. Reduced Inequalities
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: April 14, 2020
2018 journal article
Differential Faraday Rotation and Polarimetric SAR
SIAM Journal on Applied Mathematics, 78(3), 1422–1449.
author keywords: inverse scattering; scattering matrix; gyrotropy; electromagnetic waves; polarization; rotation of polarization plane; radar signal bandwidth; radar ambiguity theory; polarimetric matched filter; Earth's ionosphere; magnetic field of the Earth
TL;DR:
The propagation of linearly polarized electromagnetic waves through the Earth's ionosphere is accompanied by Faraday rotation (FR), which is due to gyrotropy of the ionospheric plasma in the magnet.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 6, 2018
2017 article
Conventional SAR imaging
TRANSIONOSPHERIC SYNTHETIC APERTURE IMAGING, pp. 19–57.
TL;DR:
This chapter explains the fundamental principles of SAR data collection and image formation, i.e., inversion of the received data, which can be categorized as a coherent imaging technology.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 journal article
Inverse scattering off anisotropic targets
Transionospheric Synthetic Aperture Imaging, 373–415.
Source: NC State University Libraries
Added: August 6, 2018
2017 conference paper
Mathematical analysis of SAR imaging through a turbulent ionosphere
(M. D. Todorov, Ed.).
Ed(s): M. Todorov
Event: APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 9th International Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’17
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 6, 2018
2017 article
Modeling radar targets beyond the first Born approximation
TRANSIONOSPHERIC SYNTHETIC APERTURE IMAGING, pp. 311–371.
TL;DR:
This chapter returns to the foundations of the SAR ambiguity theory that was presented in Chapter 2, and addresses the inconsistencies of the conventional approach outlined in Section 2.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 article
SAR imaging through the Earth's ionosphere
TRANSIONOSPHERIC SYNTHETIC APERTURE IMAGING, pp. 59–161.
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 article
The effect of ionospheric anisotropy
TRANSIONOSPHERIC SYNTHETIC APERTURE IMAGING, pp. 217–264.
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 article
The effect of ionospheric turbulence
TRANSIONOSPHERIC SYNTHETIC APERTURE IMAGING, pp. 163–215.
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 article
The start-stop approximation
TRANSIONOSPHERIC SYNTHETIC APERTURE IMAGING, pp. 265–309.
TL;DR:
For the analysis of the SAR data inversion algorithm, the start-stop approximation is employed, which is considered standard in the literature and assumes that the radar antenna is at standstill while it sends the interrogating pulse toward the target and receives the scattered response.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 book
Transionospheric Synthetic Aperture Imaging
In Applied and Numerical Harmonic Analysis (pp. 1–1).
Event: at Cham, Switzerland
UN Sustainable Development Goal Categories
13. Climate Action
(OpenAlex)
Sources: Web Of Science, Crossref, NC State University Libraries, ORCID
Added: August 6, 2018
2017 book
Transionospheric Synthetic Aperture Imaging
In Birkhäuser.
Source: NC State University Libraries
Added: July 28, 2019
2017 journal article
Transionospheric Synthetic Aperture Imaging Discussion and outstanding questions
Transionospheric Synthetic Aperture Imaging, 417–431.
Source: NC State University Libraries
Added: August 6, 2018
2017 journal article
Transionospheric synthetic aperture imaging Introduction
Transionospheric Synthetic Aperture Imaging, 1–17.
Source: NC State University Libraries
Added: August 6, 2018
2015 journal article
A Mathematical Model for SAR Imaging beyond the First Born Approximation
SIAM Journal on Imaging Sciences, 8(1), 186–225.
author keywords: synthetic aperture imaging; SAR ambiguity theory; linearized scattering; linearized inverse problem; backscattering; Bragg resonance; weak scattering; strong scattering
TL;DR:
The foundations of the SAR ambiguity theory are revisited in order to address this and other existing inconsistencies, such as the absence of the Bragg scale in scattering, and a new model for radar targets that allows to compute the scattered field from first principles.
(via Semantic Scholar)
Sources: Web Of Science, Crossref, NC State University Libraries, ORCID
Added: August 6, 2018
2014 journal article
Single-polarization SAR imaging in the presence of Faraday rotation
Inverse Problems, 30(7), 075002.
author keywords: magnetic field of the Earth; anisotropic ionosphere; propagation of radio waves through gyrotropic plasma; deterioration of radar image; image autocorrelation analysis; evaluation of Faraday rotation effect; correction of the matched filter
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 6, 2018
2013 journal article
Reduction of ionospheric distortions for spaceborne synthetic aperture radar with the help of image registration
Inverse Problems, 29(5), 054005.
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 6, 2018
2012 journal article
A linearized inverse scattering problem for the polarized waves and anisotropic targets
Inverse Problems, 28(8), 085009.
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 6, 2018
2011 chapter
Modification of turbulence at the air-sea interface due to the presence of surfactants and implications for gas exchange. Part I: laboratory experiment
In Gas Transfer at Water Surfaces (pp. 245–258). Kyoto University Press.
Source: NC State University Libraries
Added: July 10, 2019
2011 journal article
Study of the Far Wake of a Large Ship
Journal of Atmospheric and Oceanic Technology, 28(5), 720–733.
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Source: Crossref
Added: July 28, 2019
2009 journal article
Sonar Measurements in Ship Wakes Simultaneous With TerraSAR-X Overpasses
IEEE Transactions on Geoscience and Remote Sensing, 48(2), 841–851.
author keywords: Geophysical measurements; remote sensing; sonar imaging; synthetic aperture radar (SAR)
TL;DR:
A preliminary analysis of the measurements suggests that the visibility of the centerline ship wake in synthetic aperture radar (SAR) images is correlated with the presence of microbubbles in the wake, which supports the hypothesis that natural surfactants scavenged and brought to the surface by rising bubbles play an important role in thewake visibility in SAR.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Source: Crossref
Added: July 28, 2019
2000 journal article
Radar Sensing of Sea Surface: Some Problems of Numerical Simultaion of Scattering of Electromagnetic Waves, review
Radiotechnics and Electronics, 45(2), 229–246.
Source: NC State University Libraries
Added: July 28, 2019
1997 journal article
Bispectrum and Analysis of the Statistics of Electromagnetic Waves Backscattered by Sea Surface
Journal of Computer and System Sciences International, 36(6), 972–980.
Source: NC State University Libraries
Added: July 10, 2019
1996 journal article
Methods and Algorithms for Processing and Identification of Radar Images of the Ocean Surface
Journal of Computer and System Sciences International, 34(6), 155–175.
Source: NC State University Libraries
Added: July 28, 2019
1996 journal article
The Two-scale Model and Other Methods For the Approximate Solution of the Problem of Diffraction by Rough Surfaces
Journal of Computational Mathematics and Mathematical Physics, 36(10), 1429–1442.
Source: NC State University Libraries
Added: July 28, 2019
1991 journal article
Theory of wave activity occurring in the AMPTE artificial comet
Physics of Fluids B: Plasma Physics, 3(7), 1728–1738.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Crossref
Added: July 28, 2019
1987 journal article
Nonlinear Dynamics of the Cyclotron Instability of a Fast Ion Beam
Soviet Journal of Plasma Physics, 13(12), 824–828.
Source: NC State University Libraries
Added: July 10, 2019
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