Apogee ignition high-precision analytical orbit autonomous prediction method
An apogee, high-precision technology, used in adaptive control, instrumentation, control/regulation systems, etc., to solve problems such as the inability to provide orbital calculation information autonomously
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[0064] The invention provides a high-precision orbit autonomous prediction method, which can realize autonomous calculation of orbit information on the satellite during apogee ignition without ground interference, reduces the risk of operational errors by measurement and control personnel, and improves system reliability. If the method of the present invention is selected, if the ignition time lasts for 1.5 hours, the orbit prediction position error on the satellite is less than 3km. Since the analytical method is selected for solution (the perturbation term of the maneuvering force calculated by S, T, W in step 6 belongs to the second type without singularity root, and belongs to the known technology in the field), it does not involve numerical integration, which is fast and effective, and saves Calculate the cost. At the same time, the analytical form of the orbital equation has a clear physical meaning, and the changes of each orbital element can be clearly seen (the analyti...
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