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Keywords = multi-static GBPR

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24 pages, 6727 KiB  
Article
Moving Target Detection in Multi-Static GNSS-Based Passive Radar Based on Multi-Bernoulli Filter
by HongCheng Zeng, Jie Chen, PengBo Wang, Wei Liu, XinKai Zhou and Wei Yang
Remote Sens. 2020, 12(21), 3495; https://doi.org/10.3390/rs12213495 - 24 Oct 2020
Cited by 10 | Viewed by 3319
Abstract
Over the past few years, the global navigation satellite system (GNSS)-based passive radar (GBPR) has attracted more and more attention and has developed very quickly. However, the low power level of GNSS signal limits its application. To enhance the ability of moving target [...] Read more.
Over the past few years, the global navigation satellite system (GNSS)-based passive radar (GBPR) has attracted more and more attention and has developed very quickly. However, the low power level of GNSS signal limits its application. To enhance the ability of moving target detection, a multi-static GBPR (MsGBPR) system is considered in this paper, and a modified iterated-corrector multi-Bernoulli (ICMB) filter is also proposed. The likelihood ratio model of the MsGBPR with range-Doppler map is first presented. Then, a signal-to-noise ratio (SNR) online estimation method is proposed, which can estimate the fluctuating and unknown map SNR effectively. After that, a modified ICMB filter and its sequential Monte Carlo (SMC) implementation are proposed, which can update all measurements from multi-transmitters in the optimum order (ascending order). Moreover, based on the proposed method, a moving target detecting framework using MsGBPR data is also presented. Finally, performance of the proposed method is demonstrated by numerical simulations and preliminary experimental results, and it is shown that the position and velocity of the moving target can be estimated accurately. Full article
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