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On-orbit Stellar Camera Calibration based on Space Resection with Multi-images
on-orbit calibration stellar camera space resection multi star images satellite attitude accuracy
2015/11/20
Due to the intense vibration and/or the change of space environmental factors such as temperature, pressure, etc., the stellar camera parameters might change during satellites launching or while orbit...
ABSOLUTE RADIOMETRIC CALIBRATION OF THE IKONOS SENSOR USING RADIOMETRICALLY CHARACTERIZED STELLAR SOURCES
IKONOS Sensor Multispectral Radiometric Calibration Stellar
2015/5/12
Radiometric calibration of remote sensing satellites has traditionally been accomplished by means of vicarious ground calibration
techniques. These methods employ extensive modelling algorithms to d...
‘Polluted’ stellar graveyard gives glimpse of our Solar System after Sun’s implosion
Polluted stellar graveyard gives glimpse our Solar System Sun’s implosion
2013/5/27
By chemically sampling the atmospheres of two dead stars in the Hyades cluster 150 light years away, researchers at Cambridge and NASA/ESA’s Hubble Space Telescope have discovered the building blocks ...