From April 11th to 12th, the prototype of the atmospheric composition detection system project passed the acceptance test, which marked that the project achieved important stage results in key technical research.
Researchers at the Anguang Institute of the Hefei Institute of Material Science, the Chinese Academy of Sciences, eliminated the difficulties of lacking experience in the development of aerospace loads and overcame various problems. After more than a year of scientific research, they finally completed the key technical research work of the three satellite load engineering prototypes. The atmospheric composition detection system is the first aerospace load project undertaken by Anguang, including three load tasks: "atmospheric main greenhouse gas monitor", "atmospheric trace gas differential absorption spectrometer" and "atmospheric aerosol multi-angle polarization detector ". The atmospheric composition detection system uses active and passive optical remote sensing detection technology to acquire and record the concentration of CO2 and O3 and the concentration of atmospheric pollutant gases (SO2, NO2, etc.) at a certain flight height within a certain range along the flight path with the satellite in orbit. , Atmospheric aerosol optical properties and microphysical properties, etc., to obtain comprehensive atmospheric environmental information. The project is mainly used in the fields of atmospheric environmental science and meteorological science research, global climate change research, air pollution emergency response, atmospheric cloud and aerosol characteristics research.
The acceptance expert group questioned and discussed the test rules, clarified the definition of test items, test methods and procedures, and reached consensus. They agreed that the test project was scientific and reasonable, the test method and process were reliable and effective, and combined with the field test results of more than ten technical indicators such as the spectral resolution, signal-to-noise ratio and polarization measurement accuracy of the three loads, the performance indicators of the load Express satisfaction. The overall unit affirmed the work achievements of the scientific research personnel of Anguang Institute, and proposed that the next step should be to complete the electrical interface joint test, mechanical test and vacuum experiment of the engineering prototype to lay the technology for the transformation of the engineering prototype. The experts of the user unit participating in the test also hope that the scientific research personnel of the Anguang Institute will further improve the later inversion algorithm and capacity building work, strengthen cooperation, and strive to more organically combine application requirements and development performance, and make preparations for future practical applications.
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