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Signal Processing for a Multiple-Input, Multiple-Output (MIMO) Video Synthetic Aperture Radar (SAR) with Beat Frequency Division Frequency-Modulated Continuous Wave (FMCW) [PDF]

open access: yesRemote Sensing, 2017
In this paper, we present a novel signal processing method for video synthetic aperture radar (ViSAR) systems, which are suitable for operation in unmanned aerial vehicle (UAV) environments.
Seok Kim   +4 more
doaj   +5 more sources

Joint Detection of Moving Target in Video Synthetic Aperture Radar

open access: yesLeida xuebao, 2022
Video Synthetic Aperture Radar (SAR) presents great potential in ground moving target detection and tracking through high frame rate and high-resolution imaging.
Jinshan DING   +3 more
doaj   +2 more sources

A Novel Multistage Back Projection Fast Imaging Algorithm for Terahertz Video Synthetic Aperture Radar

open access: yesRemote Sensing, 2023
Terahertz video synthetic aperture radar (THz-ViSAR) has tremendous research and application value due to its high resolution and high frame rate imaging benefits. However, it requires more efficient imaging algorithms.
Qibin Zheng   +3 more
doaj   +3 more sources

Focusing dynamic single‐channel synthetic aperture radar video with optical flow‐informed reconstruction

open access: yesElectronics Letters, 2022
The motion of targets is well known to result in their defocusing and displacement in SAR imagery, but detection of motion and re‐focusing of targets under generic conditions remains an ongoing interest.
F. M. Watson
doaj   +3 more sources

Vibration Error Analysis and Motion Compensation of Video Synthetic Aperture Radar

open access: yesLeida xuebao, 2015
Video Synthetic Aperture Radar (ViSAR) system offers high imaging frame rate, and high resolution, and it is consequently used to investigate and locate near-moving targets. Compared with microwave SAR, the practical application of ViSAR is restricted by
Zhao Yu-lu   +4 more
doaj   +2 more sources

FPGA-Based Acceleration of Polar-Format Algorithm for Video Synthetic-Aperture Radar Imaging

open access: yesElectronics (Switzerland)
This paper presents a polar-format algorithm (PFA)-based synthetic-aperture radar (SAR) processor that can be mounted on a small drone to support video SAR (ViSAR) imaging. For drone mounting, it requires miniaturization, low power consumption, and high-speed performance.
Myeong-Jin Lee   +2 more
exaly   +2 more sources

Miniaturization Design of High-Integration Unmanned Aerial Vehicle-Borne Video Synthetic Aperture Radar Real-Time Imaging Processing Component

open access: yesRemote Sensing
The unmanned aerial vehicle (UAV)-borne video synthetic aperture radar (SAR) possesses the characteristic of having high-continuous-frame-rate imaging, which is conducive to the real-time monitoring of ground-moving targets.
Tao Yang   +6 more
doaj   +2 more sources

Suppressing False Alarm in VideoSAR viaGradient-Weighted Edge Information

open access: yesRemote Sensing, 2019
VideoSAR (Video Synthetic Aperture Radar) technology provides an important mean for real-time and continuous earth observation, whereas the ever-changing scattering characteristics may destroy the accuracy of target motion perception and bring in massive
Zihan Li   +4 more
doaj   +2 more sources

An Embedded-GPU-Based Scheme for Real-Time Imaging Processing of Unmanned Aerial Vehicle Borne Video Synthetic Aperture Radar

open access: yesRemote Sensing
The UAV-borne video SAR (ViSAR) imaging system requires miniaturization, low power consumption, high frame rates, and high-resolution real-time imaging.
Tao Yang   +4 more
doaj   +2 more sources

Single Channel Slow Moving Target Detection Method for Terahertz Video Synthetic Aperture Radar Based on Shadows and Spots

open access: yesRemote Sensing
Terahertz waves are located in the “transition zone” between millimeter waves and infrared light. Terahertz video synthetic aperture radar (THz-ViSAR) utilizes the high operating frequency, strong radar cross-section intensity, and high azimuth ...
Xiaofan Li   +4 more
doaj   +2 more sources

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