Abstract
This paper examines the joint moving target parameter estimation in hybrid active and passive radar networks with sensors placed on moving platforms, which are composed of one dedicated linear frequency modulated (LFM)-based active radar transmitter, multiple frequency modulated (FM)-based illuminators of opportunity, and multichannel radar receivers. Firstly, target returns contributed from the active radar transmitter and multiple illuminators of opportunity are adopted to fulfill the radar purpose, resulting in a hybrid active and passive radar networks. Then, the CRLB for joint target parameter estimation is derived as the performance metric for the underlying system. Finally, the numerical results show that, the achievable CRLB can be decreased by exploiting the signals scattered off the target due to illuminators of opportunity transmissions.
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Acknowledgements
This work was supported in part by the National Natural Science Foundation of China (Grant No. 61801212), in part by the Natural Science Foundation of Jiangsu Province (Grant No. BK20180423), in part by China Postdoctoral Science Foundation (Grant No. 2019M650113), in part by the Fundamental Research Funds for the Central Universities (Grant No. NT2019010), in part by the National Aerospace Science Foundation of China (Grant No. 20172752019, No. 2017ZC52036), in part by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PADA), in part by the Key Laboratory of Radar Imaging and Microwave Photonics (Nanjing Univ. Aeronaut. Astronaut.), Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China, and in part by the Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space (Nanjing Univ. Aeronaut. Astronaut.), Ministry of Industry and Information Technology, Nanjing 210016, China.
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Shi, C., Qiu, W., Wang, F., Zhou, J. (2020). Cramér–Rao Bound Analysis for Joint Estimation of Target Position and Velocity in Hybrid Active and Passive Radar Networks. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_8
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DOI: https://doi.org/10.1007/978-981-13-9409-6_8
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