Dynamic analysis of a tethered satellite system for space debris capture
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-018-4498-1
Abstract: Herein we analyze the dynamic behavior of a tethered satellite system for space debris capture, considering the large deformation of a tether. The tethered satellite system is modeled as two point masses and a string,… read more here.
Keywords: tethered satellite; system; debris capture; satellite system ... See more keywords
Nonlinear resonant analysis of space tethered satellite system in elliptical orbits
Sign Up to like & getrecommendations! Published in 2021 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2021.02.016
Abstract: Abstract The nonlinear resonant motions of a tethered satellite system (TSS) in elliptical orbits are studied in this paper. The mathematical model of the system was derived using Lagrange's equations and an analysis of the… read more here.
Keywords: system; tethered satellite; elliptical orbits; satellite system ... See more keywords
Onboard mission allocation for multi-satellite system in limited communication environment
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.05.022
Abstract: Abstract The purpose of this paper is to seek the suitable local objectives for each satellite to optimal the global mission allocation strategy with a global utility function. This paper uses a game-theoretical formulation for… read more here.
Keywords: system; multi satellite; mission allocation; satellite system ... See more keywords
Forecast Based Handover in an Extensible Multi-Layer LEO Mobile Satellite System
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2977831
Abstract: Low earth orbit mobile satellite system (LEO-MSS) is the major system to provide communication support for the regions beyond the coverage of terrestrial network systems. However, passive handover happens frequently caused by the quick movement… read more here.
Keywords: system; handover; multi layer; mobile satellite ... See more keywords
Coastal Altimetry Using Interferometric Phase From GEO Satellite in Quasi-Zenith Satellite System
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2021.3068376
Abstract: Global navigation satellite system reflectometry (GNSS-R) altimetry has great potential to provide high spatial–temporal resolution sea surface heights (SSHs) at low cost. Interferometric phase measurements between direct and reflected signals can be used for altimetry… read more here.
Keywords: altimetry; satellite; geo; interferometric phase ... See more keywords
Soil Moisture Estimation Based on GNSS-R Using L5 Signals From a Quasi-Zenith Satellite System
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3176463
Abstract: Global navigation satellite system reflectometry (GNSS-R) is a passive technique for remote sensing of soil moisture, which has continuous all-day and all-weather applicability on different platforms. New GNSS signals with advanced modulation and higher power… read more here.
Keywords: satellite system; satellite; soil moisture;
High Dimensional Similarity Search with Satellite System Graph: Efficiency, Scalability, and Unindexed Query Compatibility.
Sign Up to like & getrecommendations! Published in 2021 at "IEEE transactions on pattern analysis and machine intelligence"
DOI: 10.1109/tpami.2021.3067706
Abstract: Approximate Nearest Neighbor Search in high dimensional space is essential in DB and IR. Recently, NSG provides attractive theoretical analysis and achieves state-of-the-art performance. However, we find there are several limitations with NSG. In the… read more here.
Keywords: database queries; satellite system; search; high dimensional ... See more keywords
'David and Goliath' weather eyes set for launch.
Sign Up to like & getrecommendations! Published in 2017 at "Science"
DOI: 10.1126/science.358.6365.848
Abstract: The polar weather satellite system will soon be safer. After years of rising costs and delays, the $1.6 billion Joint Polar Satellite System-1 (JPSS-1) was set to rocket into orbit this week. If successful, the… read more here.
Keywords: david goliath; jpss; launch; goliath weather ... See more keywords
A dynamic localization network for regional navigation under global navigation satellite system denial environments
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Distributed Sensor Networks"
DOI: 10.1177/1550147719834427
Abstract: Global navigation satellite system signals are easily distorted by the interferences or disturbances, and global navigation satellite system receivers cannot offer continuous effective navigation results in challenging environments. As a representative regional augmentation technology, pseudolite… read more here.
Keywords: system; navigation; navigation satellite; satellite system ... See more keywords
State transformation extended Kalman filter–based tightly coupled strapdown inertial navigation system/global navigation satellite system/laser Doppler velocimeter integration for seamless navigation of unmanned ground vehicle in urban areas
Sign Up to like & getrecommendations! Published in 2023 at "International Journal of Advanced Robotic Systems"
DOI: 10.1177/17298806231158462
Abstract: With the rapid development of unmanned ground vehicle industry, how to achieve continuous, reliable, and high-accuracy navigation becomes very important. At present, the integrated navigation with global navigation satellite system and strapdown inertial navigation system… read more here.
Keywords: system; satellite system; global navigation; navigation ... See more keywords
Global Navigational Satellite System Seismic Monitoring
Sign Up to like & getrecommendations! Published in 2021 at "Bulletin of the Seismological Society of America"
DOI: 10.1785/0120200356
Abstract: We have developed a global earthquake deformation monitoring system based on subsecond-latency measurements from ∼2000 existing Global Navigational Satellite System (GNSS) receivers to rapidly characterize large earthquakes and tsunami. The first of its kind, this… read more here.
Keywords: global navigational; system; navigational satellite; monitoring ... See more keywords