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- W4321487945 abstract "Long-time coherent integration is an effective approach to improve detection performance for weak air moving targets (AMTs). The range position variation and azimuth Doppler variation will easily exceed range gate and Doppler resolution in a long observation time, resulting in severe performance degradation, especially for high maneuverability target. Besides, the high detection performance and low computational complexity ability are, most of times, the contradiction requirements by using the existing long-time coherent integration algorithms. To overcome above constraints, a novel subaperture Keystone transform matched filtering (SAKTMF) method is developed in this paper based on the conventional hybrid integration algorithm, which can realize coherent integration both within the subaperture and among subapertures, effectively improving the detection performance of a weak moving target. Furthermore, the proposed SAKTMF is applied for weak AMT detection in space-borne early warning radar (SBEWR), which considers serious extended clutter, range migration, and Doppler migration problems simultaneously. Simulation experiments processing results show that the proposed method can provide improved detection performance compared with the conventional hybrid integration methods." @default.
- W4321487945 created "2023-02-23" @default.
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- W4321487945 date "2023-01-01" @default.
- W4321487945 modified "2023-10-15" @default.
- W4321487945 title "Subaperture Keystone Transform Matched Filtering Algorithm and Its Application for Air Moving Target Detection in an SBEWR System" @default.
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- W4321487945 doi "https://doi.org/10.1109/jstars.2023.3245295" @default.
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