Evaluation scene large sample generation method based on orbit parameters

Abstract

The invention discloses an evaluation scene large sample generation method based on orbit parameters. The method includes: determining evaluation scene large sample parameters and an evaluation scenelarge sample parameter value range based on an evaluation task, wherein the evaluation scene large sample parameters comprise orbit preset parameters and weather parameters; determining a sampling numerical value set of each evaluation scene large sample parameter according to the evaluation scene large sample parameters and the parameter value range; based on a full-factor design model, generating an evaluation scene large sample parameter matrix according to the number of evaluation scene large sample parameters and the sampling numerical value set; determining and supplementing orbit element supplementing parameters of each evaluation scene large sample parameter in the evaluation scene large sample parameter matrix according to orbit preset parameters based on the constraint relation of the orbit elements; and combining the track preset parameters, the weather parameters and the track element supplement parameters into an evaluation scene large sample according to the evaluation scene large sample parameter matrix. The evaluation scene large sample parameter dimension can be simplified, samples can be comprehensively and effectively covered, and the scale of a sample parametermatrix is reduced.

Description

technical field [0001] The disclosure belongs to the technical field of effectiveness evaluation of spacecraft systems, and in particular relates to a method for generating large samples of evaluation scenarios based on orbital parameters. Background technique [0002] The effectiveness evaluation of the spacecraft system is based on various technical indicators and their comprehensive indicators, and according to a certain weighted algorithm, describes the ability of the spacecraft system to complete tasks, predicts and evaluates the satisfaction degree of the spacecraft system to user needs or tasks, and provides decision-making basis for rational use of resources . [0003] The general process of using the simulation method to realize the task of evaluating the effectiveness of the spacecraft system is to first create an evaluation scenario, and then perform evaluation index calculation and evaluation analysis according to certain evaluation criteria according to the simu...

AI Technical Summary

Problems solved by technology

Directly using track design parameters and weather parameters as large-sample design factors will bring about the disadvantages of huge sample size and excessive workload of system design simulation calculation and analysis

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