Results 31 to 40 of about 81,814 (282)
Inversion Of Synthetic Aperture Radar Data For Surface Scattering [PDF]
10th Annual International Symposium on Geoscience and Remote Sensing, 1992 SUMMARY The conventional image-formation technique of high-resolution SAR synthetic aperture radar (SAR) data has utilized correlation in the range-Doppler domain. An alternative, more recent approach, in the SAR image-formation algorithm exploits downward extrapolation of the wavefield in the f-k domain to perform not only azimuth compression but ...
Joong-Sun Won, Wooil M. Moon
openaire +3 more sources
Analytic inversion in synthetic aperture radar. [PDF]
Proceedings of the National Academy of Sciences, 1994 A method of processing synthetic aperture radar signals that avoids some of the approximations currently in use that appear to be responsible for severe phase distortions is described. As a practical matter, this method requires N3 numerical operations, as opposed to the N2 ln N currently the case, but N3 is now easily managed, for N in the range of ...
openaire +3 more sources
Ship Target Imaging in Airborne SAR System Based on Automatic Image Segmentation and ISAR Technique
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 The airborne synthetic aperture radar (SAR) image of ship target will be blurred for the complex motion of the target, which will influence the performance of feature extraction and target classification.
Rui Cao, Yong Wang, Bin Zhao, Xiaofei Lu
doaj +1 more source
Distributed MIMO-ISAR Sub-image Fusion Method
Leida xuebao, 2017 The fast fluctuation associated with maneuvering a target’s radar cross-section often affects the imaging performance stability of traditional monostatic Inverse Synthetic Aperture Radar (ISAR).
Gu Wenkun, Wang Dangwei, Ma Xiaoyan
doaj +1 more source
Three‐dimensional interferometric inverse synthetic aperture radar imaging with limited pulses by exploiting joint sparsity [PDF]
, 2015 Qianqian Chen +4 more
openalex +2 more sources
Multipath Smearing Suppression for Synthetic Aperture Radar Images of Harbor Scenes
IEEE Access, 2019 Due to the periodic and non-periodic variations in the sea surface, smearing is caused by the multiple paths between the sea surface and man-made objects in synthetic aperture radar images of harbor areas. This smearing can cover real targets and lead to
Peng Xiao, Xiaolu Tian, Min Liu, Wei Liu
doaj +1 more source
Parametric Sparse Representation and Its Applications to Radar Sensing
Leida xuebao, 2016 Sparse signal processing has been utilized to the area of radar sensing. Due to the presence of unknown factors such as the motion of the targets of interest and the error of the radar trajectory, a predesigned dictionary cannot provide the optimally ...
Li Gang, Xia Xiang-Gen
doaj +1 more source
Sparse aperture wide-angle inverse synthetic aperture radar imaging based on compressive sensing
The Journal of Engineering, 2019 In high-resolution inverse synthetic aperture radar (ISAR) imaging, if the authors enlarge observation angle, range migration would appear and that can cause defocus problem.
Hou Yingni, Wang Xia
doaj +1 more source
Известия высших учебных заведений России: Радиоэлектроника, 2023 Introduction. The distinction of targets located in the same spatial resolution cell of a radar system includes the determination of the number of targets and their recognition.
E. C. Plotnitskaya +2 more
doaj +1 more source
Proposed satellite position determination systems and techniques for Geostationary Synthetic Aperture Radar [PDF]
, 2016 This paper proposes two different calibration techniques for Geostationary Synthetic Aperture Radar (GEOSAR) missions requiring a high precision positioning, based on Active Radar Calibrators and Ground Based Interferometry.
Broquetas Ibars, Antoni +3 more
core +2 more sources