Results 61 to 70 of about 16,323 (253)

A Weather Radar Ground Clutter Suppression Method Using Adaptive Coherent Pulse Integration

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Ground clutter poses a significant challenge to the accuracy of weather radar products, especially for aeroecology monitoring. Operational weather radar commonly employs a fixed coherent pulse integration (CPI) for clutter suppression.
Rui Wang   +6 more
doaj   +1 more source

2-D Coherence Factor for Sidelobe and Ghost Suppressions in Radar Imaging [PDF]

open access: yes, 1956
The coherence factor (CF) is defined as the ratio of coherent power to incoherent power received by the radar aperture. The incoherent power is computed by the multi-antenna receiver based on only the spatial variable.
Li, Shiyong   +4 more
core   +3 more sources

Decoding Emotional Signatures of Ethical Ads: An Analysis of Actor‐Viewer Synchrony

open access: yesJournal of Consumer Behaviour, EarlyView.
ABSTRACT We examine whether ethical advertisements differ from conventional ads in their on‐screen emotional signatures and whether those signatures transfer to actor‐viewer synchrony. Study 1 analyses 138 professionally produced YouTube ads using Automated Facial Expression Recognition (AFER) and Convolutional Neural Networks (CNN) to quantify actor ...
Vik Naidoo, Nicolas Hamelin
wiley   +1 more source

Polarisation-space-time adaptive processing for heterogeneous clutter suppression of airborne-phased array radar

open access: yesThe Journal of Engineering, 2019
Conventional space-time adaptive processing (STAP) achieves clutter suppression by combining spatial signals and the temporal pulses. However, extreme slow-moving target cannot be effectively detected by space-time joint filtering in ambiguous and non ...
Yuze Sun, Jian Yang, Xiaopeng Yang
doaj   +1 more source

Digital Beamforming and Traffic Monitoring Using the new FSAR System of DLR [PDF]

open access: yes, 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
Baumgartner, Stefan   +6 more
core  

Self‐Similar Blowup for the Cubic Schrödinger Equation

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
ABSTRACT We give a rigorous proof for the existence of a finite‐energy, self‐similar solution to the focusing cubic Schrödinger equation in three spatial dimensions. The proof is computer‐assisted and relies on a fixed point argument that shows the existence of a solution in the vicinity of a numerically constructed approximation.
Roland Donninger, Birgit Schörkhuber
wiley   +1 more source

Bridging Theory and Prediction: A Hybrid SEM and Machine Learning Approach to Optimize Lean Construction for Megaproject Sustainability in China

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Construction megaprojects, large‐scale, complex, and capital‐intensive, are particularly prone to inefficiencies, cost overruns, delays, and environmental degradation due to fragmented workflows, stakeholder misalignment, and resource intensity.
Abdelazim Ibrahim   +5 more
wiley   +1 more source

Examining early inhibitory control and emotion regulation as predictors of childhood internalizing and externalizing problems: A longitudinal study

open access: yesJCPP Advances, EarlyView.
In a longitudinal sample (n = 94), we tested links between inhibitory control at age 4, emotion regulation (ER) at age 6, and internalizing (INT) and externalizing (EXT) problems at ages 9–10. Early inhibitory control did not predict ER or later INT/EXT (no mediation), whereas ER at 6 showed prospective associations with both outcomes.
Lilja K. Jónsdóttir   +4 more
wiley   +1 more source

A severely range ambiguous clutter suppression method based on multi‐domain cascaded signal processing for space‐based early warning radar

open access: yesIET Radar, Sonar & Navigation, 2023
The non‐stationary clutter phenomenon and the severe range ambiguity make space‐based early warning radar as an intricate model of received ground and sea clutter.
Tianfu Zhang   +4 more
doaj   +1 more source

A Large Along-Track Baseline Approach for Ground Moving Target Indication Using TanDEM-X [PDF]

open access: yes, 2007
In the paper a new method for ground moving target indication (GMTI) using two satellites (i.e. the TerraSAR-X and the TanDEM-X satellite) together is presented.
Baumgartner, Stefan   +2 more
core  

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