LAUSR

About LAUSR
Donate
Contact Us

Follow us:

You are not signed in:

Sign Up!


   Articles with "sar imaging" as a keyword



A SAR imaging method based on generalized minimax-concave penalty

Sign Up to like & get
recommendations! Published in 2018 at "Science China Information Sciences"

DOI: 10.1007/s11432-018-9464-4

Abstract: Dear editor, Sparse signal processing offers a framework for synthetic aperture radar (SAR) imaging [1, 2]. As an efficient tool in sparse signal processing, L1 minimization is often used in the reconstruction of SAR images.… read more here.

Keywords: minimax concave; sar imaging; minimization; penalty ... See more keywords

Tomographic SAR imaging via generative adversarial neural network with cascaded U‐Net architecture

Sign Up to like & get
recommendations! Published in 2024 at "Electronics Letters"

DOI: 10.1049/ell2.13211

Abstract: Tomographic synthetic aperture radar is an advanced multi‐channel interferometric technique for retrieving 3‐D spatial information. It can be regarded as an inherently sparse reconstruction problem and can be solved using compressive sensing algorithms. However, the… read more here.

Keywords: adversarial neural; cascaded net; sar imaging; generative adversarial ... See more keywords

A novel Scan SAR imaging method for maritime surveillance via Lp regularization

Sign Up to like & get
recommendations! Published in 2018 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2017.1382744

Abstract: ABSTRACT In this article, a novel Scan mode synthetic aperture radar (SAR) imaging method for maritime surveillance is presented. Conventional Scan SAR is generally operated with severe azimuth resolution loss in order to cover a… read more here.

Keywords: sar imaging; imaging method; regularization; scan sar ... See more keywords

Fast Compressive Sensing-Based SAR Imaging Integrated With Motion Compensation

Sign Up to like & get
recommendations! Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2911696

Abstract: Recently, compressive sensing (CS) has been applied in synthetic aperture radar (SAR) imaging, which is increasingly in the focus of study and shows great potential. In CS-based SAR imaging, motion errors of the moving platform… read more here.

Keywords: sar imaging; based sar; integrated motion; motion compensation ... See more keywords

Study on Precise Satellite Attitude Maneuvering Strategy for Ultrahigh Resolution Spaceborne SAR Imaging

Sign Up to like & get
recommendations! Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3111193

Abstract: For future ultrahigh resolution spaceborne synthetic aperture radar (SAR), it requires the antenna beam capable of large angle scanning in azimuth to increase the azimuth bandwidth and to improve the resolution consequently. To achieve this… read more here.

Keywords: sar; resolution; sar imaging; resolution spaceborne ... See more keywords

Efficient 3-D Near-Field MIMO-SAR Imaging for Irregular Scanning Geometries

Sign Up to like & get
recommendations! Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3145370

Abstract: In this article, we introduce a novel algorithm for efficient near-field synthetic aperture radar (SAR) imaging for irregular scanning geometries. With the emergence of fifth-generation (5G) millimeter-wave (mmWave) devices, near-field SAR imaging is no longer… read more here.

Keywords: sar; irregular scanning; scanning geometries; sar imaging ... See more keywords

Least-Square-Based Nonuniform Borehole SAR Imaging for Subsurface Sensing

Sign Up to like & get
recommendations! Published in 2018 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2018.2813338

Abstract: This paper presents the least-square-based nonuniform borehole synthetic aperture radar (SAR) imaging method with cosine accuracy factor for subsurface sensing. Based on the Stolt migration, the frequency-wavenumber spectrum of nonuniform data is efficiently approximated in… read more here.

Keywords: sar imaging; method; least square; proposed method ... See more keywords

A Sinogram Decimation Fast Back-Projection Algorithm for Strip-Map SAR Imaging

Sign Up to like & get
recommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2025.3544259

Abstract: In this article, a novel sinogram decimation fast back-projection (SD-FBP) algorithm for strip-map synthetic aperture radar (SAR) imaging is proposed. We first review the back-projection (BP) and the fast factorized BP (FFBP) algorithms, then analyze… read more here.

Keywords: sar imaging; strip map; map sar; strip ... See more keywords

High-Fidelity SAR Imaging Under Composite Jamming via Collaborative Sparse Signal Optimization

Sign Up to like & get
recommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2025.3595558

Abstract: In practical combat scenarios, the high-resolution imaging process of synthetic aperture radar (SAR) is susceptible to diverse forms of electromagnetic jamming, which severely degrades the final imaging quality. To achieve high-fidelity SAR imaging under electronic… read more here.

Keywords: high fidelity; fidelity sar; sar imaging; jamming ... See more keywords

Extended Autofocus Backprojection Algorithm for Low-Frequency SAR Imaging

Sign Up to like & get
recommendations! Published in 2017 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2017.2711005

Abstract: Since the trajectory deviations of a radar platform cause serious phase errors that degrade the focusing quality of synthetic aperture radar (SAR) imagery, an autofocus method is very important for high-resolution airborne SAR imaging. In… read more here.

Keywords: autofocus backprojection; extended autofocus; sar imaging; frequency sar ... See more keywords

Sidelobe Control for Bistatic SAR Imaging

Sign Up to like & get
recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2021.3099174

Abstract: This letter presents coherent and incoherent nonlinear apodization methods for bistatic synthetic aperture radar (SAR) imaging. The methods are developed on the principle of nonlinear apodization for monostatic SAR imaging and a $\omega \,\,-\,\,k$ relationship… read more here.

Keywords: sar imaging; apodization methods; bistatic sar; sidelobe ... See more keywords