Method and device for synthetic imaging satellite meta-task

Abstract

The present invention discloses a method of synthesizing an imaging satellite meta-task and a device of synthesizing the imaging satellite meta-task which can save the satellite resources. The method comprises the steps of obtaining a plurality of meta-tasks located in a view field angle range of an imaging satellite sensor; generating a first intermediate task and a second intermediate task according to the plurality of meta-tasks, wherein the lateral swing angle, the time window starting time, the time window ending time and the shortest execution duration of the first intermediate task are defined as theta x, wsx, wex and dx respectively, and the lateral swing angle, the time window starting time, the time window ending time and the shortest execution duration of the second intermediate task are defined as theta y, wsy, wey and dy respectively; determining whether the theta x, wsx, wex and dx and the theta y, wsy, wey and dy satisfy the preset conditions, if yes, synthesizing the plurality of meta tasks into a synthesis task.

Description

technical field [0001] The invention relates to the technical field of task synthesis of imaging satellites, in particular to a method and device for synthesizing meta-tasks of imaging satellites. Background technique [0002] Imaging satellites have the characteristics of large imaging range and low imaging cost at one time, and have been widely used in national defense, environmental protection, agriculture, meteorology, disaster emergency and other fields. However, the development, launch and maintenance costs of imaging satellites are high. Although more and more imaging satellites are launched into space with the development of satellite application technology, satellite resources are still extremely precious compared to the growing imaging needs of human beings. In order to optimize the use of imaging satellite resources, satellite mission planning is particularly important. Satellite mission planning is to comprehensively consider the constraints of satellite imaging...

AI Technical Summary

Problems solved by technology

In satellite mission planning, if the above-mentioned idea of ​​conventional task synthesis is adopted, some tasks that can be synthesized may not be able to be synthesized. At the same time, the imaging duration required by the synthesized imaging task is not the shortest time in theory; in addition, the synthesized imaging task The side swing angle is not the theoretical minimum and can observe the task T at the same time 1 and T 2 Imaging roll angle corresponding to the observation target

[0017] It can be seen that the synthetic tasks constructed by conventional task synthesis methods cannot make full use of satellite resources, resulting in a waste of satellite resources

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