Results 61 to 70 of about 5,182,494 (142)
Digital Beamforming and Traffic Monitoring Using the new FSAR System of DLR [PDF]
, 2007 In November 2006 the first X-band test flight of DLR’s new FSAR system has been performed successfully and in February 2007 the first flight campaign has been conducted for acquiring experimental multi-channel data of controlled ground moving targets. In
Moreira, Alberto +6 more
core
Leida xuebao, 2020 A low pulse repletion frequency is required and an ambiguous Doppler spectrum should be considered to obtain a high-resolution and wide-swath Synthetic Aperture Radar-Ground Moving Target Indication (SAR-GMTI) system in the azimuth direction.
ZHANG Shuangxi +4 more
doaj +1 more source
A Robust Dual-Platform GMTI Method against Nonuniform Clutter
Remote Sensing, 2022 The ground moving-target indication (GMTI) technique can detect civil and military moving targets, which means that this technique has received much attention.
Mulan Zou +3 more
doaj +1 more source
IET Radar, Sonar &Navigation, Volume 18, Issue 1, Page 78-92, January 2024.This paper analyses the capabilities and challenges of passive radar systems based on novel Low‐Earth Orbit (LEO) broadband communication satellites with a special focus on the estimation of the achievable performance and on the experimental characterisation of the transmitted signals.
Rodrigo Blázquez‐García +5 more
wiley +1 more source
Spatio-Temporal Matching of Moving Objects in Optical and SAR-Data [PDF]
, 2007 We present an approach for spatio-temporal co-registration of dynamic objects in Synthetic Aperture Radar (SAR) and optical imagery. Goal of this work is the performance evaluation of vehicle detection and velocity estimation from SAR images when ...
Weihing, Diana +3 more
core
Capabilities of dual-frequency millimeter wave SAR with monopulse processing for ground moving target indication [PDF]
, 2007 Ground moving target indication (GMTI) for syn- thetic aperture radar (SAR) provides information on nonstatic objects in radar imagery of a static ground scene.
Meier, E, Nüesch, D, Rüegg, M
core +1 more source
Deceptive jamming against multi-channel SAR-GMTI
The Journal of Engineering, 2019 Aimed at the problem that the deceptive jamming against synthetic aperture radar ground moving target indication generated by single jammer cannot work effectively in multi-channel SAR, a novel deceptive jamming against multi-channel SAR-GMTI based on ...
Jingke Zhang +3 more
doaj +1 more source
Moving target modelling and indication in MIMO GEO SAR
The Journal of Engineering, 2019 Multiple-input multiple-output geosynchronous synthetic aperture radar (MIMO GEO SAR), composed by several mini-satellites in GEO orbits, has more spatial degrees of freedom, which helps to suppress clutter and improves the performance of ground moving ...
Chang Cui +4 more
doaj +1 more source
Moving Target Signals in High Resolution Wide Swath SAR [PDF]
, 2008 In this paper the impact of two high resolution wide swath synthetic aperture radar imaging techniques, extraction of signals from azimuth subsampled spectra and subpulse azimuth beamsteering on transmit, on ground moving target signals is analyzed ...
Krieger, Gerhard, Gabele, Martina
core
A Clutter Suppression Approach for SAR-GMTI Based on Dual-channel DPCA
Leida xuebao, 2014 The Displaced Phase Center Antenna (DPCA) technology, a particular form of Space Time Adaptive Processing (STAP), has been widely used in Synthetic Aperture Radar Ground Moving Target Indication (SAR-GMTI).
Wang Xiao-yang +3 more
doaj +1 more source