Results 91 to 100 of about 46,586 (232)

Deception Jamming Against ISAR With Coupled Two-Dimensional Compressive Sensing via Sub-Nyquist Sampling

open access: yesIEEE Access, 2018
Sub-Nyquist sampling is a common means of interfering with inverse synthetic aperture radar (ISAR) imaging, which has been validated for the feasibility of 1-D compressive sensing (CS) ISAR imaging.
Jiyuan Chen   +3 more
doaj   +1 more source

Microlocal ISAR for Low Signal-to-Noise Environments [PDF]

open access: yes, 2006
The problem of extracting radar target information from multi-aspect high-range-resolution data is examined. We suggest a new non-imaging approach that is based on microlocal analysis, which is a mathematical theory developed to handle highfrequency ...
Borden, Brett, Cheney, Margaret
core  

ISAR Image formation with a combined Empirical Mode Decomposition and Time-Frequency Representation

open access: yes, 2015
International audienceIn this paper, a method for Inverse Synthetic Aperture Radar (ISAR) image formation based on the use of the Complex Empirical Mode Decomposition (CEMD) is proposed.
Bay Ahmed , Ahmed Hadj   +2 more
core   +2 more sources

Impact and Compensation of Rainfall Propagation Effect on Pol-ISAR Imaging of Parabolic Antenna

open access: yesRemote Sensing
Orientation is an important parameter to identify the working status of a parabolic antenna. Polarimetric inverse synthetic aperture radar (Pol-ISAR) is an effective approach to sense the parabolic antenna, but the imaging process may be seriously ...
Xinjie Ju    +5 more
doaj   +1 more source

Three-dimensional ISAR imaging: a review

open access: yesThe Journal of Engineering, 2019
Three-dimensional (3D) inverse synthetic aperture radar (ISAR) imaging has been proven feasible by combining traditional ISAR imaging and interferometry.
Marco Martorella   +3 more
doaj   +1 more source

Three-dimensional interferometric inverse synthetic aperture radar imaging of maneuvering target based on the joint cross modified Wigner-Ville distribution

open access: yes, 2016
. Inverse synthetic aperture radar (ISAR) can achieve high-resolution two-dimensional images of maneuvering targets. However, due to the indeterminate relative motion between radar and target, ISAR imaging does not provide the three-dimensional (3-D ...
Q. Lv   +3 more
semanticscholar   +1 more source

Long-Time Observation-Based Multiattitude ISAR Imaging Method for Moving Ships

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Long-time synthetic aperture radar observation facilitates the tracking and identification of moving targets. However, continuous changes in the attitude of a moving target during long-duration observations cause the azimuth signal’s time– ...
Zhifeng Xie   +4 more
doaj   +1 more source

An improved inverse synthetic aperture radar range alignment method based on maximum contrast

open access: yesThe Journal of Engineering, 2019
Inverse synthetic aperture radar (ISAR) is an important tool for non-cooperative ship imaging, and one key step of ISAR imaging is range alignment. To achieve the range alignment with high precision, efficiency and robustness, an improved ISAR range ...
Yong Li   +4 more
doaj   +1 more source

GigaRad – a multi-purpose high-resolution ground-based radar system [PDF]

open access: yes, 2014
Recently DLR has developed and constructed a new experimental radar instrument for various applications like radar signature collection, SAR/ISAR imaging, motion detection, tracking, etc., where high performance and high flexibility have been the key ...
Anger, Simon   +3 more
core  

ISAR imaging Based on the Empirical Mode Decomposition Time-Frequency Representation

open access: yes, 2016
International audienceThis work proposes an adaptation of the Empirical Mode Decomposition Time-Frequency Distribution (EMD-TFD) to non-analytic complex-valued signals.
Cexus, Jean-Christophe   +4 more
core   +1 more source

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