Results 31 to 40 of about 16,109 (166)
NORAD TLE Conversion from Osculating Orbital Element [PDF]
Journal of Astronomy and Space Sciences, 2002 The NORAD type Two Line Element (TLE) was obtained from the osculating orbital elements by an iterative approximation procedure. The mathematical model was presented and computer program was developed for the conversion.
Byoung-Sun Lee
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Wideband Cooperative Localization Through Generalized Cross-Correlation
IEEE AccessThis work proposes a novel algorithm for robust cooperative localization using wideband time difference of arrival (TDoA) measurements and information coupling between nodes.
Andreas Fuchs +2 more
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A Study on an Object oriented Modeling for the Satelite Control System Development reusing Structured Analysis and Design Approach [PDF]
Journal of Astronomy and Space Sciences, 1998 The object-oriented approach is a difficult method for engineers who are accustomed to other software development methods although it is an excellent software development approach.
Jaehoon Kim, Wonchan Jung, Sangbum Lee
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Journal of Electrical and Computer Engineering, 2010 This paper addresses the problem of recovering the code phase of the composite spreading sequence for a CDMA 1x signal transmitted from a handset, without the benefit of a priori information from the system.
Ron Kerr, John Lodge
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OSIRIS4CubeSat—The World’s Smallest Commercially Available Laser Communication Terminal
AerospaceThe New Space movement led to an exponential increase in the number of the smallest satellites in orbit in the last two decades. The number of required communication channels increased with that as well and revealed the limitations of classical radio ...
Benjamin Rödiger +5 more
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Station-Keeping Maneuver Simulation for the Koreasat Spacecraft Using Mission Analysis Software [PDF]
Journal of Astronomy and Space Sciences, 1995 A series of east/west and north/south station-keeping maneuvers were simulated for the KOREASAT spacecraft which has to be maintained within ±0°.05 at the nominal longitude of 116°E. Weekly and biweekly based station-keeping maneuver plannings were used,
Byoung-Sun Lee, Jong Won Eun
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Access and mobility management technologies for 6G satellite communications network
Dianxin kexue, 2021 Analsisand outlook for satellite communication access and mobility management technology in 6G network was presented.Firstly, the access technology of current global representative satellite mobile communications system was introduced, as well as the ...
Xiaowen WU +5 more
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The Journal of Engineering, 2016 The design of spectrally-efficient, high-throughput satellite (HTS) systems with capacity approaching one terabit per second requires operating at Ka-band frequencies and above, where there are several gigahertz of allocated radio spectrum, using ...
Abdulkareem Sarki Karasuwa +2 more
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Scientometric Analysis of Published Scientific Productions in the Field of Satellite Constellations [PDF]
فصلنامه علوم و فناوری فضاییSatellite constellations consist of similar satellites distributed in a specific orbital pattern to accomplish a joint mission. They are commonly used for global telecommunications, positioning, and remote sensing missions.
Hossein Eftekhari +3 more
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HeliyonThe rapid development of the Internet of Things (IoT) has extensively promoted the development of Wireless Sensor Networks (WSNs), an essential technology for series displaying perception and data collected from the physical world. In densely distributed
Na Ma, Shouxin Wang, Shuailing Hao
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