Results 221 to 230 of about 81,814 (282)
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IEEE Transactions on Geoscience and Remote Sensing, 2019
This paper proposes a novel approach to interpreting the satellite attitude based on inverse synthetic aperture radar (ISAR) images. In the conventional viewpoint, quadratic and higher order phase terms of ISAR imagery are regarded as negative factors ...
Yejian Zhou, Lei Zhang, Yunhe Cao
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This paper proposes a novel approach to interpreting the satellite attitude based on inverse synthetic aperture radar (ISAR) images. In the conventional viewpoint, quadratic and higher order phase terms of ISAR imagery are regarded as negative factors ...
Yejian Zhou, Lei Zhang, Yunhe Cao
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An Inverse Synthetic Aperture Radar Image Modulation Method Based on Coding Phase-Switched Screen
IEEE Sensors Journal, 2019Multiple false target images deception is an effective strategy to protect vital military targets from detection and recognition by inverse synthetic aperture radar (ISAR).
Junjie Wang +4 more
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Resolution enhancement for inverse synthetic aperture radar images using a deep residual network
Microwave and optical technology letters (Print), 2019A framework for inverse synthetic aperture radar (ISAR) image resolution enhancement using a deep residual network is proposed. Our framework directly learns an end‐to‐end mapping in the form of a deep residual network (ResNet) between the input low ...
Xunzhang Gao, Dan Qin, Jingkun Gao
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A system model and inversion for synthetic aperture radar imaging
International Conference on Acoustics, Speech, and Signal Processing, 1992A system model and its corresponding inversion for synthetic aperture radar (SAR) imaging are presented. The system model incorporates the spherical nature of a radar's radiation pattern at far field. The inverse method based on this model performs a spatial Fourier transform (Doppler processing) on the recorded signals with respect to the available ...
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Autofocusing of (inverse) synthetic aperture radar for motion compensation
Proceedings of the IEEE 1996 National Aerospace and Electronics Conference NAECON 1996, 2002Ground imaging from an airborne synthetic aperture radar (SAR) and conversely aircraft imaging from a ground based radar (ISAR) require the knowledge of the motion of the antenna relative to the target, with an accuracy of a fraction of the wavelength upon a time span of seconds.
C.E. Nahum, H.M.J. Cantalloube
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Introduction to Inverse Synthetic Aperture Radar
2014 IEEE Radar Conference, 2014Summary form only given. Inverse Synthetic Aperture Radar (ISAR) is a technique used for reconstructing radar images of targets. Modern highresolution radars implicitly offer the system requirements needed for implementing ISAR imaging. ISAR images are obtained by means of a signal processing that can be enabled both on and off-line.
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Inversion of Synthetic Aperture Radar. Ocean Image Spectra
[Proceedings] IGARSS '92 International Geoscience and Remote Sensing Symposium, 2005An algorithm that inverts SAR Ocean image spectra into long gravity Ocean wavenumber spectra is implemented and applied to both airborne (CCRS CV-580) and spaceborne (ERS-1) c-band SAR data. The nonlinear iterative algorithm is based on a generalized version of Hasselmann's forward spectral transform that also incorporates the range bunching effect ...
Harald E. Krogstad +2 more
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Three-dimensional inverse synthetic aperture radar
2019This chapter introduces the development of a method for 3D reconstruction of moving targets. This method is based on the use of a dual interferometric ISAR (InISAR) system. The interferometric phases measured from two orthogonal baselines are used to jointly estimate the target's effective rotation vector and the heights of the scattering centres with ...
Daniele Stagliano +3 more
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3-D Interferometric Inverse Synthetic Aperture Radar Imaging of Ship Target With Complex Motion
IEEE Transactions on Geoscience and Remote Sensing, 2018A novel algorithm for 3-D interferometric inverse synthetic aperture radar (InISAR) imaging of ship target with complex motion via orthogonal double baseline is presented.
Yong Wang, Xuefei Chen
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Experimental results for shadow inverse synthetic aperture radar
IET Conference Publications, 2009Bistatic shadow inverse synthetic aperture (SISAR) offer a number of promising features such as: simple hardware; enhanced target radar cross-section (RCS); a long coherent interval of the diffracted signal; robustness to stealth technology; In spite of a number of theoretical research efforts in the application of SISAR for target imaging, there are ...
Zhang Shou-hong +3 more
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