A5055136458- Spacecraft Design and Technology
- Space Satellite Systems and Control
- Planetary Science and Exploration
- Astro and Planetary Science
- Satellite Communication Systems
- Opportunistic and Delay-Tolerant Networks
Harbin Institute of Technology
2020-2023
Abstract As a part of China’s Chang’e-4 lunar far side mission, two microsatellites for low frequency radio astronomy, amateur and education, Longjiang-1 Longjiang-2, were launched as secondary payloads on 20 May 2018 together with the Queqiao L2 relay satellite. On 25 2018, Longjiang-2 successfully inserted itself into elliptical orbit 357 km × 13,704 km, became smallest spacecraft which entered its own propulsion system. The satellite carried first communication system operating in orbit,...
Abstract This article presents a novel 3‐D shape reconstruction strategy for small solar system bodies using spaceborne radar which is applied in flyby trajectories to characterize multiple targets one mission save time and cost. In this study, we establish measurement geometry rapidly spinning that combines the motion properties of synthetic aperture circular techniques. We also propose modified imaging algorithm, processed Cardano's formula polar format improve quality. Finally, present...