High-frequency wide-width imaging method based on linkage of space-based platform and turnover rotating mirror
The invention discloses a high-frequency wide-width imaging method based on linkage of a space-based platform and an epicyclic rotating mirror, and relates to the technical field of space optical remote sensing. In order to solve the technical problem that the existing conventional push-broom imagin...
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| creator | FU ZONGQIANG YANG XIUBIN HE XI WANG SHAOEN GAO SUINING |
| description | The invention discloses a high-frequency wide-width imaging method based on linkage of a space-based platform and an epicyclic rotating mirror, and relates to the technical field of space optical remote sensing. In order to solve the technical problem that the existing conventional push-broom imaging and swing mirror dynamic scanning imaging methods and the like are difficult to realize ultrahigh frequency sub-wide coverage revisit to the ground, the method comprises the following steps: firstly, calculating a visual angle under a load, a geocentric angle corresponding to a ground scene and the width of an imaging strip along a rail direction; setting an imaging initial state; then, the space-based platform is controlled to quickly perform attitude maneuver, and the revisit frequency and the overlapping rate are greatly improved; meanwhile, the multi-surface rotating mirror is controlled to perform periodic rotating motion to adjust the optical axis for scanning, so that the imaging range is effectively expan |
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In order to solve the technical problem that the existing conventional push-broom imaging and swing mirror dynamic scanning imaging methods and the like are difficult to realize ultrahigh frequency sub-wide coverage revisit to the ground, the method comprises the following steps: firstly, calculating a visual angle under a load, a geocentric angle corresponding to a ground scene and the width of an imaging strip along a rail direction; setting an imaging initial state; then, the space-based platform is controlled to quickly perform attitude maneuver, and the revisit frequency and the overlapping rate are greatly improved; meanwhile, the multi-surface rotating mirror is controlled to perform periodic rotating motion to adjust the optical axis for scanning, so that the imaging range is effectively expan</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | GYROSCOPIC INSTRUMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING |
| title | High-frequency wide-width imaging method based on linkage of space-based platform and turnover rotating mirror |
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