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Space Infrastructure Business Star Model Atmospheric Calibrator Double Star Prototype Product Delivery
[ Instrument Network Instrument R & D ] On November 20, a certain type of satellite B star atmospheric correction instrument developed by Anhui Opto-Mechanics passed the acceptance review of the authentic product delivery in Hefei. Prior to this, A star products had been delivered and accepted in Beijing on August 21 this year.
B Star Atmospheric Calibrator Positive Product Delivery Acceptance Review Meeting
This type of mission is the first batch of commercial satellites developed by the national civil space infrastructure. The atmospheric correction instrument, as the only newly developed payload sub-system product, bears huge progress pressure during the development process. Since October 2016, after three years of hard work, the task research team has completed the unqualified model identification work and delivered two original samples as scheduled. The atmospheric correction instrument is the first product to be delivered among the three load sub-systems undertaken by the Chinese Academy of Sciences. The team's technology, quality, and product assurance organization have been repeatedly affirmed by the overall unit Aerospace Dongfanghong Satellite Co., Ltd.
As an important part of the resolution optical observation constellation in the national civil space infrastructure remote sensing satellite system, this model mission consists of two satellites with the same technical status, and each satellite is equipped with an atmospheric correction instrument. Atmospheric calibrator acquires multi-spectrum information of the same field of view as the main camera with a 16-meter camera through the tracking scan, and obtains spectral and polarization information through time synchronization and spatial coverage detection methods to achieve high accuracy of aerosol and water vapor Detection and inversion to obtain atmospheric parameters over the imaging area. Taking the atmospheric parameters as input, the atmospheric correction model based on radiative transmission is used to correct the load image of the 16-meter camera and other loads to obtain a clearer quantitative surface image, which meets the application requirements of atmospheric correction for image data products such as the 16-meter camera.