Results 31 to 40 of about 46,586 (232)

An Efficient Preprocessing Approach for Airborne Hybrid SAR and ISAR Imaging of Ship Target Based on Kernel Distribution

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
The airborne hybrid synthetic aperture radar (SAR) and inverse synthetic aperture radar (ISAR) imaging for the ship target is very important in the field of ocean surveillance, but it suffers from the problem of high computational complexity.
Rui Cao   +3 more
doaj   +1 more source

Moving Target Analysis in ISAR Image Sequences with a Multiframe Marked Point Process Model [PDF]

open access: yes, 2014
In this paper we propose a Multiframe Marked Point Process model of line segments and point groups for automatic target structure extraction and tracking in Inverse Synthetic Aperture Radar (ISAR) image sequences.
Benedek, Csaba, Martorella, M
core   +1 more source

Translational Motion Compensation for ISAR Imaging Based on Range Joint Fast Orthogonal Matching Pursuit Algorithm

open access: yesIEEE Access, 2022
Accurate translational motion compensation (TMC) is the key procedure of inverse synthetic aperture radar (ISAR) imaging. Under the condition of sparse aperture, the correlation of adjacent pulses is severely destroyed, which brings a few challenges to ...
Xu Wei   +4 more
doaj   +1 more source

Parametric Sparse Representation and Its Applications to Radar Sensing

open access: yesLeida 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

A Novel Passive Jamming Method Against ISAR Based on Resonance Absorption Effect of Metamaterials

open access: yesIEEE Access, 2018
Based on resonance absorption effect of metamaterials, a novel passive jamming method against Inverse Synthetic Aperture Radar (ISAR) is proposed in this paper.
Jin Xu   +3 more
doaj   +1 more source

Three-Dimensional Imaging Method for Array ISAR Based on Sparse Bayesian Inference

open access: yesSensors, 2018
The problem of synthesis scatterers in inverse synthetic aperture radar (ISAR) make it difficult to realize high-resolution three-dimensional (3D) imaging.
Zekun Jiao   +3 more
doaj   +1 more source

Unblurring ISAR Imaging for Maneuvering Target Based on UFGAN

open access: yesRemote Sensing, 2022
Inverse synthetic aperture radar (ISAR) imaging for maneuvering targets suffers from a Doppler frequency time-varying problem, leading to the ISAR images blurred in the azimuth direction.
Wenzhe Li   +3 more
doaj   +1 more source

ISAR Imaging of Maneuvering Targets Based on the Modified Discrete Polynomial-Phase Transform

open access: yesSensors, 2015
Inverse synthetic aperture radar (ISAR) imaging of a maneuvering target is a challenging task in the field of radar signal processing. The azimuth echo can be characterized as a multi-component polynomial phase signal (PPS) after the translational ...
Yong Wang   +3 more
doaj   +1 more source

Two-Dimensional ISAR Fusion Imaging of Block Structure Targets

open access: yesInternational Journal of Antennas and Propagation, 2021
The range resolution and azimuth resolution are restricted by the limited transmitting bandwidth and observation angle in a monostatic radar system. To improve the two-dimensional resolution of inverse synthetic aperture radar (ISAR) imaging, a fast ...
Xiaoxiu Zhu   +5 more
doaj   +1 more source

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