Results 71 to 80 of about 503 (172)
Possibility of using leo satellite communication systems for on-line data interchange
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016 The paper presents the analysis of the possibility of using the information resource of the Globalstar LEO satellite communication system (LSCS) for rapid data exchange via the following channels: MCC Globalstar nanosatellite, nanosatellite Globalstar
D. D. Davydov
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, 2016 In the present paper, which was written in collaboration with the Observatory of Paris, thermal models of two CubeSat missions were created. The first goal of this work was to create a nodal simulation of the PicSat satellite to verify the survivability of the system within the extreme space environment.
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Magnetic Cleanliness Program on CubeSats and Nanosatellites for Improved Attitude Stability
Havacılık ve Uzay Teknolojileri Dergisi, 2020 CubeSats are being increasingly specified and utilized for demanding astronomical and Earth observation missions where precise pointing and stability are critical requirements.
Abdelmadjid Lassakeur +3 more
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Nanosatellite Autonomous Navigation via Extreme Learning Machine Using Magnetometer Measurements
AerospaceThis work presents an algorithm to perform autonomous navigation in spacecraft using onboard magnetometer data during GPS outages. An Extended Kalman Filter (EKF) exploiting magnetic field measurements is combined with a Single-Hidden-Layer Feedforward ...
Gilberto Goracci +2 more
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A Novel Multi-Aperture Based Sun Sensor Based on a Fast Multi-Point MEANSHIFT (FMMS) Algorithm
Sensors, 2011 With the current increased widespread interest in the development and applications of micro/nanosatellites, it was found that we needed to design a small high accuracy satellite attitude determination system, because the star trackers widely used in ...
Gao-Fei Zhang +3 more
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Nanosatellites and Applications to Commercial and Scientific Missions
, 2020 In the past two decades, a silent revolution has taken place in the space domain, leading to what today is known as “New Space.” We have passed from a selected group of countries, space agencies, and big industries building, launching, and operating satellites and other spacecrafts, of a scenario in which many universities and research institutes can ...
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LeLaR: The First In-Orbit Demonstration of an AI-Based Satellite Attitude Controller
IEEE AccessAttitude control is essential for many satellite missions. Classical controllers, however, are time-consuming to design and sensitive to model uncertainties and variations in operational boundary conditions. Deep reinforcement learning offers a promising
Kirill Djebko +4 more
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Авіаційно-космічна техніка та технологіяThe objective of this research is to investigate the computational efficiency of various system architectures of onboard software for the onboard computers of CubeSat nanosatellites.
Oleksandr Liubimov +3 more
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Onboard Data Prioritization Using Multi-Class Image Segmentation for Nanosatellites
Remote SensingNanosatellites are proliferating as low-cost, dedicated remote sensing opportunities for small nations. However, nanosatellites’ performance as remote sensing platforms is impaired by low downlink speeds, which typically range from 1200 to 9600 bps ...
Keenan Chatar +2 more
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Российский технологический журналObjectives. The development of radar remote sensing systems based on the reception of signals of navigation satellite systems reflected from the surface enables a constellation of nanosatellites to be deployed, in order to perform radar surveying of the ...
A. V. Ksendzuk, V. F. Fateev
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