Results 11 to 20 of about 23,654,929 (387)
Global navigation satellite system [PDF]
, 2014 The last few years there has been increased interest in the commercialization of the Global Navigation Satellite System (GNSS) which is often referred to as the Global Positioning System (GPS) in various applications. A GPS system uses spread spectrum signals-binary phaseshift keying (BPSK)-emitted from satellites in space for position and time ...
S. Bullock
openaire +4 more sources
Clock-offset computation method of space network aided by satellite clock prediction [PDF]
SHS Web of Conferences, 2023 A novel network clock-offset resolution method for space network is proposed in the paper. In the process of clock-offset resolution based on the network inter-node measurement data, the prediction of satellite clock result is used as the priori ...
Bao Yachuan, Yang Menghuan, Li Jianjia
doaj +1 more source
Latest Advances in the Global Navigation Satellite System - Reflectometry (GNSS-R) Field
Remote Sensing, 2023 The global navigation satellite system-reflectometry (GNSS-R) field has experienced an exponential growth as it is becoming relevant to many applications and has captivated the attention of an elevated number of research scholars, research centers and ...
N. Rodriguez-Alvarez +2 more
semanticscholar +1 more source
Near Real-Time Wildfire Management Using Distributed Satellite System
IEEE Geoscience and Remote Sensing Letters, 2023 Climate action (SDG-13) is an integral part of the Sustainable Development Goals (SDGs) set by the United Nations (UN), and wildfire is one of the catastrophic events related to climate change.
Kathiravan Thangavel +4 more
semanticscholar +1 more source
IEEE Transactions on Pattern Analysis and Machine Intelligence, 2021 Approximate nearest neighbor search (ANNS) in high-dimensional space is essential in database and information retrieval. Recently, there has been a surge of interest in exploring efficient graph-based indices for the ANNS problem.
Cong Fu, Changxu Wang, Deng Cai
semanticscholar +1 more source
LEO Enhanced Global Navigation Satellite System (LeGNSS): progress, opportunities, and challenges
Geo-Spatial Information Science, 2021 With the completion of Chinese BeiDou Navigation Satellite System (BDS), the world has begun to enjoy the Positioning, Navigation, and Timing (PNT) services of four Global Navigation Satellite Systems (GNSS).
Haibo Ge +8 more
semanticscholar +1 more source
Aerospace, 2021 The Small SAR Technology Experimental Project (S-STEP) mission aims to develop a new (space-based 80 kg-class active X-band synthetic aperture radar (SAR)) satellite with a main imaging mode of 1 m resolution stripmap.
Seong-Cheol Kwon +5 more
doaj +1 more source
Geo-spatial Information Science, 2022 With the development of the Low Earth Orbit (LEO) communication constellations, it has become a hot area of research to provide additional navigation augmentation services.
Ziqian Wu +5 more
doaj +1 more source
Sensors, 2023 None-Line-of-Sight (NLOS) propagation of Ultra-Wideband (UWB) signals leads to a decrease in the reliability of positioning accuracy. Therefore, it is essential to identify the channel environment prior to localization to preserve the high-accuracy Line ...
Jingjing Zhang +5 more
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INITIAL CHECKOUT RESULTS OF THE COMPACT INFRARED CAMERA (CIRC) FOR EARTH OBSERVATION [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 Compact Infrared Camera (CIRC) is a technology-demonstration instrument equipped with an uncooled infrared array detector (microbolometer) for space application.
E. Kato +6 more
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