Earth gas light suppression method and system for synchronous band target optical observation satellite

Abstract

The application relates to an earth gas light suppression method and system for a synchronous band target optical observation satellite. The system includes a satellite, an optical observation moduleand a baffle, wherein the orbit of the satellite selects a dawn-dusk sun-synchronous orbit, and maintains the attitude to be earth-oriented; the optical observation module is installed on the satellite and is perpendicular to the main axis of the satellite; and the baffle is installed on the optical observation module, and during the operation of the satellite, the baffle is arranged between the optical observation module and a ground plane, wherein the satellite is operated according to an attitude maneuver rule model to achieve the traversal observation of latitudes that need to be stared. By adopting the technical scheme of the application, the suppression of the earth gas light can be realized only through a simple structural design, and the operation is simple and the cost is saved.

Description

technical field [0001] The present application relates to the field of space exploration, in particular to a method and system for suppressing earth, atmosphere and light of a synchronous belt target optical observation satellite. Background technique [0002] For the field of aerospace-like starry space exploration, the use of space optical observation systems for detection has many advantages such as flexible maneuverability, light observation range, long running time, short data update cycle, and high observation accuracy. [0003] At present, the main means of suppressing atmospheric light by synchronous belt optical observation satellites are as follows: First, the stray light entering the system is suppressed by means of extinction measures such as apertures, inner / outer hoods, and light blocking rings. For example, the geoatmospheric light suppression methods adopted by the US space-based visible light telescope SBV and the Canadian space-based space target observatio...

AI Technical Summary

Problems solved by technology

[0004] The traditional method can improve the earth, atmosphere and light suppression ability of the space observation camera at an integrated level, but the cost is high and the technology is difficult, especially the stray light suppression technology for ultra-high sensitivity space cameras is difficult and costly

In addition, because the arc section affected by the earth, atmosphere and light changes with the seasons, the observation task planning of the observation satellite is complicated, and the workload of satellite operation and control management becomes larger.

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