Recently, the advancement of research on distributed space systems that operate a large number of satellites as a single system urges the need for the investigation of satellite constellations. The communication constellation can be used to construct global or regional communication networks using inter-...
A configuration for a satellite constellation has a plurality of planes, each plane including a plurality of satellites therein, at least some of the planes situated at a different altitude than other of the planes. In some embodiments, all planes contain the same number of satellites; in some...
Low Earth Orbit (LEO) satellite networks will play an important role in the evolving information infrastructure. Satellites in the low earth orbits provide... IF Akyildiz,H Uzunalio?Lu,MD Bender - 《Mobile Networks & Applications》 被引量: 123发表: 1999年 N/O- and C-Bound (Enolato)palladi...
had adopted a number of approaches and concrete actions to mitigate space debris, including the improvement of the design of launch vehicles and spacecraft, the reorbiting of satellites, passivation, end-of-life operations and the development of specific software and models for space debris mitigat...
Another recently published tool, qDNAseq, might also have that advantage over ReadDepth, as it uses a blacklist to filter chromosomal regions with anomalous behavior, such as satellites, centromeric and telomeric repeats, reducing the noise level of the data21. Scientific Reports | 5:11711 | DOI...
Before the popularization of UAV technology, satellites, manned aircrafts, and professional surveillance cameras were the prominent methods of data acquisition for research [4,5]. The 3D point cloud is a set of data in which each point has a 3D coordinate value. The initial 3D point cloud was...
SpaceX is targeting Tuesday, November 26 for a Falcon 9 launch of 24 Starlink satellites to low-Earth orbit from Launch Complex 39A (LC-39A) at NASA’s Kennedy Space Center in Florida. Liftoff is targeted for 10:05 p.m. ET, with backup opportunities ... ...
Planet operates about 200 satellites in Low Earth Orbit (LEO).Together, these satellites — every day — capture pictures and download images of the entire Earth’s landmass. Those images proved key to uncovering smuggling in action. They revealed big tankers docked in East Asian nations where ...
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Planet is set to launch six more SkySat satellites (SkySats 16-21) into LEO this summer, rounding out the fleet of 15 SkySats already in operation. SkySats 1-15 operate in Sun Synchronous Orbits (SSO), a specific type of Low Earth Orbit that results in the Earth’s surface always ...