Results 1 to 10 of about 352 (87)

Guest Editorial: Synthetic aperture in sonar and radar

open access: yesIET Radar, Sonar & Navigation
IET Radar, Sonar &Navigation, Volume 18, Issue 11, Page 2017-2019, November 2024.
Marco Martorella   +3 more
doaj   +2 more sources

Ship Target Imaging in Airborne SAR System Based on Automatic Image Segmentation and ISAR Technique

open access: yesIEEE 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

Multiview ISAR Imaging for Complex Targets Based on Improved SBR Scattering Model

open access: yesInternational Journal of Antennas and Propagation, 2021
A novel multiview inverse synthetic aperture radar (ISAR) imaging method is proposed to simulate high-resolution and identifiable ISAR image of complex targets by handling large-angle and wide-bandwidth scattering data.
Tiantian Feng, Lixin Guo
doaj   +1 more source

Precise motion compensation method in terahertz ISAR imaging based on sharpness maximization

open access: yesElectronics Letters, 2022
According to the characteristics of the manoeuvring targets and the superiorities of Terahertz Inverse Synthetic Aperture Radar (THz‐ISAR), a precise motion compensation method based on image sharpness maximization for manoeuvring targets in the ...
Hetong Wang   +3 more
doaj   +1 more source

A Sparse Bayesian Learning Approach for Vortex Electromagnetic Wave Three-dimensional Imaging in the Terahertz Band

open access: yesLeida xuebao, 2021
In the Inverse Synthetic Aperture Radar (ISAR) imaging system, when the terahertz radar transmits the wide bandwidth signal and vortex electromagnetic wave, Three-Dimensional (3D) high-resolution imaging can be achieved through information decoupling ...
Yanwen JIANG, Hongqi FAN, Shuangxun LI
doaj   +1 more source

A bistatic inverse synthetic aperture radar sparse aperture high‐resolution imaging algorithm with migration compensation

open access: yesIET Radar, Sonar & Navigation, 2022
In recent years, bistatic inverse synthetic aperture radar (Bi‐ISAR) imaging of targets with sparse aperture has attracted more and more attention. One of the critical issues is that the Bi‐ISAR imaging of some large targets with rotational motions is ...
Hanshen Zhu   +6 more
doaj   +1 more source

Mathematical Model for a Radar Signal Reflected from Drone Propellers as Applied to the Method of Inverse Synthetic Aperture Radar in Bistatic Radar

open access: yesИзвестия 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

ISAR Imaging Algorithm Based on Iterative Weighted L2/L1 Norm Block Sparse Signal Recovery [PDF]

open access: yesJisuanji gongcheng, 2018
In order to realize fast and high resolution Inverse Synthetic Aperture Radar(ISAR)imaging,an iterative weighted L2/L1 norm block sparse recovery algorithm for ISAR imaging is proposed based on the target’s intrinsic block sparse structure information ...
FENG Junjie,ZHANG Gong
doaj   +1 more source

Distributed MIMO-ISAR Sub-image Fusion Method

open access: yesLeida 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

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

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