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• W4213356828 abstract "Abstract An important prerequisite for the radar network detection is that the measurements from local radars are transformed to a common reference frame without systematic or registration errors. For the signal level alignment, only partial signals are available for global decision-making due to power and bandwidth limitations. In this paper, a low-communication-rate spatial alignment in range-Doppler domain is proposed for networked radars without the prior spatial information (positions and attitudes) of radars, which is different from the existing methods in the trajectory domain or echo domain for alignment. To reduce the radar-to-fusion-center communication-rate, the method of initial constant false alarm rate detection is used to censor the signals in range-Doppler domain from local radars. Based on the spatial alignment model for the networked radars in geometry, a maximization problem is formulated. The objective function is the cross-correlation between the range-Doppler domain signals from different local radars. The optimization problem is solved by a genetic algorithm. Simulation results show that the rotation matrix and translation vector are estimated, and the detection probability of the proposed algorithm is improved after alignment and fusion compared with state-of-art methods." @default.
• W4213356828 created "2022-02-24" @default.
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• W4213356828 date "2022-02-20" @default.
• W4213356828 modified "2023-10-17" @default.
• W4213356828 title "Range-Doppler domain spatial alignment for networked radars" @default.
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• W4213356828 doi "https://doi.org/10.1186/s13634-022-00849-4" @default.
• W4213356828 hasPublicationYear "2022" @default.
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