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在捷联惯导制导工具误差分离过程中引入交叉验证检验制导工具误差分离精度,并基于均方误差准则建立量化检验指标。首先建立简化的制导工具误差分离模型,并将数据划分成训练集和检验集;然后利用训练集进行制导工具误差分离;最后利用检验集和量化检验指标对分离效果进行检验。数学仿真表明,提出的误差分离模型正确可靠,精度较高,交叉验证能够对分离效果进行有效检验。
In the process of SINS guided tool error separation, the accuracy of error analysis of cross-validation test guidance tool was introduced and the quantitative test index was established based on mean square error criterion. First, a simplified guidance error model is established, and the data is divided into training set and test set. Then, the training set is used to conduct the error separation of the guidance tools. Finally, the test results and test results are used to test the separation effect. Mathematical simulation shows that the proposed error separation model is accurate and reliable, and the accuracy is high. Cross-validation can effectively test the separation effect.