Abstract
In this article, a joint beam selection and waveform design scheme is proposed to enhance the low intercept probability (LPI) of the distributed radar network for multi-target localization. The core of the strategy is to optimize the beam selection and waveform design of each radar to minimize the total transmit power, such that the predetermined localization accuracy is achieved subject to facilities limitation of the distributed radar network. Based on the priori knowledge of the signal-dependent clutter and the extended target impulse response, the mutual information (MI) between the target impulse response and the echoes at each receiver is derived as a metric to evaluate target localization accuracy. Furthermore, the strategy is formulated as a mixed non-linear Boolean non-convex optimization problem, which is resolved by a two-step technique based on Lagrange multiplier and particle swarm optimization (PSO). Finally, the simulation results verify the effectiveness and rationality of the proposed scheme.
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Zhang, W., Shi, C., Zhou, J., Yan, J. (2022). Low Probability of Intercept-Based Joint Beam Selection and Waveform Design for Multiple Target Localization in Distributed Radar Network. In: Wu, M., Niu, Y., Gu, M., Cheng, J. (eds) Proceedings of 2021 International Conference on Autonomous Unmanned Systems (ICAUS 2021). ICAUS 2021. Lecture Notes in Electrical Engineering, vol 861. Springer, Singapore. https://doi.org/10.1007/978-981-16-9492-9_273
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DOI: https://doi.org/10.1007/978-981-16-9492-9_273
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