Efficient modeling of missile RCS magnitude responses by Gaussian processes

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Authors

Jacobs, Jan Pieter

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Institute of Electrical and Electronics Engineers

Abstract

An efficient technique for modeling radar cross section magnitude responses versus frequency is presented. The technique is based on Gaussian process regression and makes it possible to significantly reduce the number of expensive computer simulations required to accurately resolve these responses. Examples of two missiles are used to evaluate the proposed technique. Average predictive normalized root-mean-square errors (RMSEs) of 1.24% and 1.63% were obtained, with the worst RMSE being less than 2.2%. These results were significantly better than results obtained with alternative techniques, including geometric theory of diffraction-based modeling and support vector regression.

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Keywords

Gaussian processes (GP), Modeling, Radar cross section (RCS), Computation theory, Covariance matrix, Gaussian distribution, Gaussian noise (electronic), Mean square error, Missiles, Models, Personnel training, Computational model, Geometric theory of diffractions, Support vector regression (SVR), Training data, Root-mean-square error (RMSE)

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Citation

Jacobs J.P., Du Plessis W.P. 2017, 'Efficient modeling of missile RCS magnitude responses by Gaussian processes', IEEE Antennas and Wireless Propagation Letters, vol. 16, art. 8100883, pp. 3228-3231.