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Radon-S transform for hypersonic maneuvering target detection

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Abstract

Hypersonic maneuvering target can cause complex range migration and Doppler frequency migration effects even in a very short time. This brings a big challenge to the common long-time coherent integration based target detection methods. To solve this problem, a novel hypersonic maneuvering target detection method called Radon-S transform is proposed in this paper on the basis of Radon transform and S-transform. It performs the coherent integration along the target track on the time–range plane, and then performs the non-coherent integration along the time–frequency curve of target echo on the time–frequency plane. By combining the two energy integration processes, the signal-to-noise/clutter ratio can be effectively improved. The definition of Radon-S transform, the concrete realization of detection process, and the setting of correlative parameters are introduced in detail. Then the performance of Radon-S transform is analyzed in theory. Finally, numerical experiment results show that the proposed method is superior to some common long-time coherent integration methods in the hypersonic maneuvering target detection.

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Acknowledgements

This work was supported in part by the National Natural Science Foundation of China (61471019).

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Authors and Affiliations

  1. School of Electronic and Information Engineering, Beihang University, Beijing, 100191, People’s Republic of China

    Jinping Sun, Xuwang Zhang, Peng Lei & Jun Wang

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  1. Jinping Sun
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  2. Xuwang Zhang
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  3. Peng Lei
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  4. Jun Wang
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Correspondence to Peng Lei.

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Sun, J., Zhang, X., Lei, P. et al. Radon-S transform for hypersonic maneuvering target detection. Multidim Syst Sign Process 30, 17–38 (2019). https://doi.org/10.1007/s11045-017-0544-2

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  • DOI: https://doi.org/10.1007/s11045-017-0544-2

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