Results 71 to 80 of about 12,852 (148)

Numerical study on signatures of atmospheric convective cells in radar images of the ocean

open access: yes, 1999
Current and wind variations at the ocean surface can give rise to a modulation of the sea surface roughness and thus become visible in radar images. The discrimination between radar signatures of oceanic and atmospheric phenomena can be quite difficult ...
Alpers   +13 more
core   +1 more source

Inverse Synthetic Aperture Radar Imaging Based on the Non-Convex Regularization Model [PDF]

open access: yesRadioengineering
Compressed Sensing (CS) has been shown to be an effective technique for improving the resolution of inverse synthetic aperture radar (ISAR) imaging and reducing the hardware requirements of radar systems.
Y. Zhao   +5 more
doaj  

Analysis of Constraints on the Remote Application of Inverse Synthetic Aperture Laser Radar

open access: yesSensors
In order to achieve the remote application of inverse synthetic aperture laser radar for high resolution spatial situational awareness, it is essential to analyze the main factors that restrict its remote application.
Rui Gao, Lei Dong
doaj   +1 more source

Three dimensional scattering center imaging techniques [PDF]

open access: yes
Two methods to image scattering centers in 3-D are presented. The first method uses 2-D images generated from Inverse Synthetic Aperture Radar (ISAR) measurements taken by two vertically offset antennas.
Burnside, W. D., Younger, P. R.
core   +1 more source

System Concepts for Bi- and Multi-Static SAR Missions [PDF]

open access: yes, 2003
The performance and capabilities of bi- and multistatic spaceborne synthetic aperture radar (SAR) are analyzed. Such systems can be optimized for a broad range of applications like frequent monitoring, wide swath imaging, single-pass cross-track ...
Fiedler, Hauke   +4 more
core  

ISAR Sparse Aperture Imaging Algorithm for Large Size Target

open access: yesLeida xuebao, 2012
A novel algorithm for larger size target imaging in sparse aperture is presented in this paper for Inverse Synthetic Aperture Radar (ISAR). In the proposed method, azimuth compressing is done in the range frequency domain to avoid Migration Through Range
Zhong Li-hua   +3 more
doaj   +1 more source

Image Registration Based on Wave Path Difference Compensation for InISAR

open access: yesLeida xuebao, 2018
In Interferometric Inverse Synthetic Aperture Radar (InISAR) three-Dimensional (3D) imaging, Inverse Synthetic Aperture Radar (ISAR) image registration is a key process.
Zhou Zibo, Jiang Libing, Wang Zhuang
doaj   +1 more source

Three‐dimensional inverse synthetic aperture radar imaging based on compressive sensing

open access: yesIET Radar, Sonar & Navigation, 2015
Inverse synthetic aperture radar (ISAR) can form two‐dimensional (2D) electromagnetic images of a target, but it cannot provide the third dimensional information about the target. Conventional 3D turntable ISAR imaging requires data collection over densely azimuth‐elevation samples, which needs a large amount of data storage.
Qiu, Wei   +4 more
openaire   +2 more sources

High Resolution Full-Aperture ISAR Processing through Modified Doppler History Based Motion Compensation

open access: yesSensors, 2017
A high resolution inverse synthetic aperture radar (ISAR) technique is presented using modified Doppler history based motion compensation. To this purpose, a novel wideband ISAR system is developed that accommodates parametric processing over extended ...
Jung-Hwan Song   +3 more
doaj   +1 more source

3-D High-Resolution ISAR Imaging for Noncooperative Air Targets

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
This article uses the inverse synthetic aperture radar (ISAR) imaging method to present real-world tests on 3-D radar imaging of noncooperative air targets. Initially, the fundamentals of 3-D ISAR are introduced.
Marcin Kamil Baczyk   +10 more
doaj   +1 more source

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