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Spacecraft Position Estimation and Attitude Determination using Terrestrial Illumination Matching.
| 题名： | Spacecraft Position Estimation and Attitude Determination using Terrestrial Illumination Matching. |
| 作者： | Shockley, L. M. |
| 关键词： | Detectors, Image processing, Image recognition, Meteorological satellites, Visible spectra, Astronautics, Measurement, Navigation, Artificial satellites, Global positioning systems, Position finding, Spacecraft, Algorithms, Terrestrial illumination matching, Terrestrial lights, Position estimation, Attitude determination, Satellite navigation, Spacecraft navigation |
| 摘要： | An algorithm to conduct spacecraft position estimation and attitude determination via terrestrial illumination matching (TIM) is presented consisting of a novel method that uses terrestrial lights as a surrogate for star fields. Although star sensors represent a highly accurate means of attitude determination with considerable spaceflight heritage, with Global PositioningSystem (GPS) providing position, TIM provides a potentially viable alternative in the event of star sensor or GPS malfunction or performance degradation. The research defines a catalog of terrestrial light constellations, which are thenimplemented within the TIM algorithm for position acquisition of a generic spacecraft bus. |
| 报告类型： | 科技报告 |
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