NUMERICAL LINE OF SIGHT STABILISATION FOR HIGH RESOLUTION EARTH OBSERVATION FROM HIGH ORBITS
作者： P. Blanc , G. Monroig
DOI: 10.1117/12.2308173
关键词: Earth observation 、 High resolution 、 Time delay and integration 、 Astrophysics 、 Metric (mathematics) 、 Optics 、 Angular stability 、 Line-of-sight 、 Physics
摘要: Controlling line of sight instabilities due to platform µvibrations is a m ajor issue for High Orbits (H O) decametric and metric Earth Observation imaging systems. Indeed, as image qu ality st rongly impacted by such µ-vibrations during integration time, observation from HO r equires very high angular precision around t ens millirad o ver tens even hundreds milliseconds. This stability requirement ut scope conventional Attitude O rbit Control System (AOCS). Two different solutions – post-accumulation closed-loop c ontrol the are envisaged nd d iscussed deal with those make possible or Orbits.
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