Results 11 to 20 of about 5,350,968 (279)

A Ground Moving Target Detection Method for Seismic and Sound Sensor Based on Evolutionary Neural Networks

open access: yesApplied Sciences, 2022
The accurate identification of moving target types in alert areas is a fundamental task for unattended ground sensors. Considering that the seismic and sound signals generated by ground moving targets in urban areas are easily affected by environmental ...
Kunsheng Xing, Nan Wang, Wei Wang
doaj   +2 more sources

Research on the Technology of Airborne Multi-channel Wide Angle Staring SAR Ground Moving Target Indication

open access: yesLeida xuebao, 2023
Airborne Wide angle staring Synthetic Aperture Radar (WasSAR) is a novel SAR imaging technique that enables multiangle and long-time staring imaging of an observation region.
Daoxiang AN   +5 more
doaj   +2 more sources

Group object structure and state estimation in the presence of measurement origin uncertainty. [PDF]

open access: yes, 2009
This paper proposes a technique for motion and group structure estimation of moving targets based on evolving graph networks in the presence of measurement origin uncertainty.
Gning, Amadou   +3 more
core   +5 more sources

Ground Moving Target Detection and Indication (GMTI)

open access: yes, 2018
Lecture of 2 hours duration about Ground Moving Target Detection and Indication with Single-Channel and Multi-Channel Synthetic Aperture ...
Baumgartner, Stefan V.
openaire   +2 more sources

Optimal circular flight of multiple UAVs for target tracking in urban areas [PDF]

open access: yes, 2009
This work is an extension of our previous result in which a novel single-target tracking algorithm for fixed-wing UAVs (Unmanned Air Vehicles) was proposed.
Kim, J., Kim, Y.
core   +8 more sources

Sparse SAR Imaging Method for Ground Moving Target via GMTSI-Net

open access: yesRemote Sensing, 2022
Ground moving targets (GMT), due to the existence of velocity in range and azimuth direction, will lead to the deviation from their true position and defocus in the azimuth direction during the synthetic aperture radar (SAR) imaging process.
Luwei Chen   +4 more
doaj   +1 more source

A ground moving target emergency tracking method for catastrophe rescue [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
In recent years, great disasters happen now and then. Disaster management test the emergency operation ability of the government and society all over the world. Immediately after the occurrence of a great disaster (e.g., earthquake), a massive nationwide
X. Zhou, D. Li, G. Li
doaj   +1 more source

Video SAR Moving Target Tracking Using Joint Kernelized Correlation Filter

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Video synthetic aperture radar (ViSAR) has been found very useful for the surveillance of ground moving targets. The target energy can be utilized for ground moving target tracking, while the dynamic shadows of moving targets enable an alternative ...
Chao Zhong, Jinshan Ding, Yuhong Zhang
doaj   +1 more source

A Priori Knowledge Based Ground Moving Target Indication Technique Applied to Distributed Spaceborne SAR System

open access: yesRemote Sensing, 2023
Through formation flying, the distributed spaceborne SAR(synthetic aperture radar) system can increase the number of spatial degree of freedoms (DOFs) and provide flexible multi-baselines for SAR-GMTI (ground moving target indication), which improves the
Bin Cai   +5 more
doaj   +1 more source

Developments in target micro-Doppler signatures analysis : radar imaging, ultrasound and through-the-wall radar [PDF]

open access: yes, 2013
Target motions, other than the main bulk translation of the target, induce Doppler modulations around the main Doppler shift that form what is commonly called a target micro-Doppler signature.
Woodbridge, K.   +3 more
core   +5 more sources

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