Results 11 to 20 of about 607 (212)
INVIGORATE: Interactive Visual Grounding and Grasping in Clutter
Robotics: Science and Systems XVII, 2021 This paper presents INVIGORATE, a robot system that interacts with human through natural language and grasps a specified object in clutter. The objects may occlude, obstruct, or even stack on top of one another. INVIGORATE embodies several challenges: (i) infer the target object among other occluding objects, from input language expressions and RGB ...
Hanbo Zhang +5 more
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Ground Clutter Detection Algorithm for Array Weather Radar at Changsha Airport
应用气象学报, 2020 In order to obtain more detailed small-scale weather system data, Meteorological Observation Center of China Meteorological Administration (CMA) designed and developed X-band array weather radar (AWR), cooperating with relevant manufacturers. In March of
Wei Wanyi +4 more
doaj +1 more source
Ground Clutter Removal in GPR Surveys
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2014 In GPR prospecting, strong reflections due to the background material interface can hinder the detection of localized buried scatterers, especially when the targets are close (in terms of probing wavelength) to the interface. Moreover, signals due to objects located outside the investigated domain and occurring in the observation time window may ...
Solimene +9 more
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Modeling of Monopulse Radar Signals Reflected from Ground Clutter in a Time Domain Considering Doppler Effects [PDF]
Journal of Electromagnetic Engineering and Science, 2020 To evaluate the performance of a monopulse radar system, it is necessary to accurately model radar return signals from the ground surface in a time domain.
Jeong-Hun Nam +4 more
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General space-time clutter model for multi-channel airborne radar
The Journal of Engineering, 2019 Ground clutter of looking-down airborne radar is spread in Doppler because of the platform motion, and thus the interested moving targets may be masked by the ground clutter.
Li Xinzhe +3 more
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Ground clutter cancellation in incoherent radars: solutions for EISCAT Svalbard radar [PDF]
Annales Geophysicae, 2000 Incoherent scatter radars measure ionosphere parameters using modified Thomson scatter from free electrons in the target (see e.g. Hagfors, 1997). The integrated cross section of the ionospheric scatterers is extremely small and the measurements can ...
T. Turunen +2 more
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Analysis of Bistatic Ground Clutter
Radioengineering, 2018 This article presents analysis and parametrization of the bistatic ground clutter which is important from the point of view of the modelling/generating of bistatic clutter, and subsequent developing of the new suppression techniques. The analysis of the bistatic radar has been an active area of research for almost a decade now.
Pidanic, Jan +2 more
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Forward-Looking Super-Resolution Imaging for Sea-Surface Target with Multi-Prior Bayesian Method
Remote Sensing, 2021 Traditional forward-looking super-resolution methods mainly concentrate on enhancing the resolution with ground clutter or no clutter scenes. However, sea clutter exists in the sea-surface target imaging, as well as ground clutter when the imaging scene ...
Weixin Li +5 more
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Research on Strong Clutter Suppression for Gaofen-3 Dual-Channel SAR/GMTI
Sensors, 2018 In spaceborne synthetic aperture radar (SAR), moving targets are almost buried in ground clutter due to the wide clutter Doppler spectrum and the restricted pulse repetition frequency (PRF), which increases the difficulty of moving target detection ...
Mingjie Zheng +5 more
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Mitigation of Ground Clutter in Airborne Bistatic Radar Systems [PDF]
2020 IEEE 11th Sensor Array and Multichannel Signal Processing Workshop (SAM), 2020 Space-Time Adaptive Processing is a commonly used technique to mitigate ground clutter reflections from an airborne radar system. It estimates a covariance matrix based on spatial and temporal information, and the estimate is thereafter used to suppress the ground clutter.
Jacob Klintberg +2 more
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